Tamilnadu Board Science Question papers for 9th Standard (English Medium) Question paper & Study Materials

9th Standard Science Hardware and Software English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software View & Read

  • 1)

    Find out the part that is not found in CPU?

  • 2)

    Which of the following is correct?

  • 3)

    LINUX is a

  • 4)

    Find out the Paid and Proprietary software from the given list

  • 5)

    _________is an Operating System.

9th Standard Science World of Microbes English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software View & Read

  • 1)

    One of the means of indirect transmission of a disease is

  • 2)

    Mosquito borne viral diseases are

  • 3)

    Which one of the following is a pair of viral disease?

  • 4)

    The primary organ infected during tuberculosis is

  • 5)

    The organ affected by jaundice is

9th Standard Science Economic Biology English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software View & Read

  • 1)

    Which of the following are Indian cattle?
    i. Bos indicus
    ii. Bos domesticus
    iii. Bos bubalis
    iv. Bos vulgaris

  • 2)

    Drones in the honey bee colony are formed from

  • 3)

    Which one of the following is refered as red worms?

  • 4)

    Mehsana is a breed of

  • 5)

    __________ is the method of growing plants without soil.

9th Standard Science Environmental Science English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software View & Read

  • 1)

    The ice sheets from the north and south poles and the icecaps on the mountains, get converted into water vapour through the process of ______________.

  • 2)

    The atmospheric carbon dioxide enters into the plants through the process of ______________.

  • 3)

    Which of the following is not an adaptation of hydrophytes?

  • 4)

    Identify the incorrect statement with respect to adaptations of earthworm.

  • 5)

    Specific constituents such as nitrogen, phosphorus, suspended solids and heavy metals found in the wastewater are removed during ___________ treatment of water recycling process.

9th Standard Science Applied Chemistry English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software View & Read

  • 1)

    The antibiotic Penicillin is obtained from ___________ 

  • 2)

    The cathode of an electrochemical reaction involves ____________

  • 3)

    Which of the following does not contain natural dyes?

  • 4)

    Radiochemistry deals with

  • 5)

    Chlorinated hydrocarbons are used as

9th Standard Science Carbon and its Compounds English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software View & Read

  • 1)

    Number of free electron(s) in each carbon of graphite is

  • 2)

    Carbon forms large number of organic compounds due to

  • 3)

    Which of the following does not contain double bond

  • 4)

    Raagav brings his lunch every day to school in a plastic container which has resin code number 5. The container is made of

  • 5)

    Which of the following plastic items are banned by the Government of Tamil Nadu as of 1st January 2019?

9th Standard Science Universe English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software View & Read

  • 1)

    Who proposed the heliocentric model of the universe?

  • 2)

    Ceres is a _______.

  • 3)

    The Big Bang occurred ________ years ago.

  • 4)

    Which of the following is not a member of the solar system?

  • 5)

    Which of the following is not a planet of our solar system?

9th Standard Science Sound English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software View & Read

  • 1)

    Sound travels in air:

  • 2)

    If the speed of a wave is 340 m s-1 and its frequency is 1700 Hz, then wavelength λ for this wave in cm will be

  • 3)

    The maximum speed of vibrations which produces audible sound will be in

  • 4)

    The sound waves travel faster

  • 5)

    The speeds of sound in four different media are given below. Which of the following is the most likely speed in ms-1 with which the two underwater whales in a sea can talk to each other when separated by a large distance?

9th Standard Science Fluids English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software View & Read

  • 1)

    Clouds float in atmosphere because of their low

  • 2)

    In a pressure cooker, the food is cooked faster because

  • 3)

    An empty plastic bottle closed with an airtight stopper is pushed down into a bucket filled with water. As the bottle is pushed down, there is an increasing force on the bottom as shown in graph. This is because

  • 4)

    Unit of thrust is _____________.

  • 5)

    Instrument used to measure relative density

9th Standard Science Parts of Computer English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software View & Read

  • 1)

    Name the cable that connects CPU to the monitor.

  • 2)

    Which one of the following is an example for wireless connections?

  • 3)

    Pen drive is _______device.

  • 4)

    _____________plays an important role in a computer as an inpute device

  • 5)

    ___________is an essentional part of the computer

9th Standard Science Organ Systems in Animals English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software View & Read

  • 1)

    Stomach of human beings mainly digests

  • 2)

    To prevent the entry of food into the trachea, the opening is guarded by__________

  • 3)

    Bile helps in the digestion of________

  • 4)

    The structural and functional unit of the kidney is__________

  • 5)

    The common passage meant for transporting urine and sperms in male is___________

9th Standard Science Organization of Tissues English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software View & Read

  • 1)

    The tissue composed of living thin walled polyhedral cell is

  • 2)

    Chlorenchyma is known to develop in the

  • 3)

    Which of the following is a complex tissue?

  • 4)

    Two long bones of the hand are dislocated in a person who met with an accident. Which among the following may be the possible reason?

  • 5)

    Which of the following is not found in a neuron?

9th Standard Science Acids, Bases and Salts English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software View & Read

  • 1)

    Apple contains malic acid. Orange contains_______

  • 2)

    Acids turn blue litmus paper to_______

  • 3)

    pH value of human blood is_________

  • 4)

    You are given pure water to test the pH value using pH paper. It shows colour

  • 5)

    Hydrochloric Acid reacts with metal bicarbonates to give______

9th Standard Science Periodic Classification of Elements English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software View & Read

  • 1)

    If Dobereiner is related with 'law of triads', then Newlands is related with __________.

  • 2)

    Modern periodic law states that the physical and chemical properties of elements are the periodic functions of their__________

  • 3)

    Elements in the modern periodic table are arranged in__________ groups and __________ periods.

  • 4)

    The increasing order of the energy of subshells is

  • 5)

    Group 16 elements are collectively called as__________

9th Standard Science Magnetism and Electromagnetism English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software View & Read

  • 1)

    Which of the following converts electrical energy into mechanical energy?

  • 2)

    An electric generator converts

  • 3)

    The part of the AC generator that passes the current from the armature coil to the external circuit is

  • 4)

    Transformer works on.

  • 5)

    The unit of magnetic flux density is

9th Standard Science Electric Charge and Electric Current English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software View & Read

  • 1)

    Rubbing of comb with hair.

  • 2)

    Potential near a charge is the measure of its________ to bring a positive charge at that point.

  • 3)

    In an electrolyte the current is due to the flow of

  • 4)

    Heating effect of current is called,

  • 5)

    The following is not a safety device.

9th Standard Science Heat English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software View & Read

  • 1)

    Calorie is the unit of

  • 2)

    The specific heat capacity of water is

  • 3)

    Two cylindrical rods of same length have the area of cross section in the ratio 2:1. If both the rods are made up of same material, which of them conduct heat faster?

  • 4)

    Two cylinders of equal height and radius are made of copper and aluminium. Which of them conducts heat faster?

  • 5)

    A device in which the loss of heat due to conduction, convection and radiation is minimized in

9th Standard Science Computer - An Introduction English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software View & Read

  • 1)

    ____________ is an electronic device which stores data and information

  • 2)

    _________ belongs to the generation IV of the computer

  • 3)

    Data processing involves________ steps

  • 4)

    1. Abacus belongs to the first generation of the computer
    2. ENIAC was used in the American military

9th Standard Science Nutrition and Health English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software View & Read

  • 1)

    Proteins are made of ____________ .

  • 2)

    Lipases are _________.

  • 3)

    How many major minerals are there in the human body?

  • 4)

    Without ____________ particular metabolic processes could not exist.

  • 5)

    Identify the mineral which regulates nerve and muscles activity?

9th Standard Science Animal Kingdom English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software View & Read

  • 1)

    The smallest bat lives in_________.

  • 2)

    Adult male worm of Ascaris ranges from__________.

  • 3)

    Notochord extends forward beyond the brain in_________.

  • 4)

    Lateral line sense organs are present in_________.

  • 5)

    Myotomes are present in___________.

9th Standard Science Plant Physiology English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software View & Read

  • 1)

    Among the following which one protects our mother earth?

  • 2)

    The discovery of Jan Baptist van Helmont was on________________ of the banyan tree

  • 3)

    Priestley concluded that spring of mint had absorbed _____________.

  • 4)

    To de-starch the plant, the plant should be kept is darkroom for_________________.

  • 5)

    Identify the emerald green sea slug________________.

9th Standard Science Atomic Structure English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software View & Read

  • 1)

    The term nucleons refer to

  • 2)

    The correct electronic configuration of potassium is

  • 3)

    Law of multiple proportions was proposed by _________

  • 4)

    The compounds N2O, NO2, N2O4, N2O5 explains___________ law.

  • 5)

    Most of the fast moving \(\alpha \)  particles passed straight through the gold foil explains __________

9th Standard Science Chemical Bonding English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software View & Read

  • 1)

    Sodium having atomic number 11, is ready to_______________electron/electrons to attain the nearest noble gas electronic configuration.

  • 2)

    The element that would form anion by gaining electrons in a chemical reaction is ___________.

  • 3)

    ____________compounds have high melting and boiling points.

  • 4)

    Oxidising agents are also called as____________because they remove electrons form other substances.

  • 5)

    Alkali and alkaline earth metals form____________ compound when they react with nonmetals

9th Standard Science Matter around us English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software View & Read

  • 1)

    __________ has the same properties throughout the sample

  • 2)

    The separation of denser particles from lighter particles done by rotation at high speed is called ________

  • 3)

    Filtration method is effective in separating _______ mixture

  • 4)

    Gas particles can be forced to get closer and can be easily compressed. So _______ increases.

  • 5)

    Particles of matter are in constant motion as they possess ______energy.

9th Standard Science Light English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software View & Read

  • 1)

    The speed of light is maximum in

  • 2)

    Which of the following statements about total internal reflection is true?

  • 3)

    Mirrors having spherical surface of reflection are __________________

  • 4)

    The mirror that diverge the light rays is______________________

  • 5)

    The centre of the reflecting surface of a spherical mirror is _____________________

9th Standard Science Motion English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software View & Read

  • 1)

    Unit of acceleration is

  • 2)

    The force responsible for drying of clothes in a washing machine is

  • 3)

    The area under velocity time graph represents

  • 4)

    In a 100 m race, the winner takes 10 s to reach the finishing point. The average speed of the winner is ___________ ms-1.

  • 5)

    Speed is never ______

9th Standard Science Measurement English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Question Bank Software View & Read

  • 1)

    ____________is the fundamental quantity.

  • 2)

    Unit of time is_________.

  • 3)

    _________is not the unit of length.

  • 4)

    Moment is equal to_________of an hour.

  • 5)

    Density is_________.

9th Standard Science Hardware and Software English Medium Free Online Test 1 Mark Questions 2020-2021 - by Question Bank Software View & Read

  • 1)

    Find out the part that is not found in CPU?

  • 2)

    Which of the following is correct?

  • 3)

    LINUX is a

  • 4)

    Find out the Paid and Proprietary software from the given list

  • 5)

    _________is an Operating System.

9th Standard Science World of Microbes English Medium Free Online Test 1 Mark Questions 2020-2021 - by Question Bank Software View & Read

  • 1)

    The most fatal form of Malaria is caused by

  • 2)

    Syphilis is caused by

  • 3)

    Diptheria affects the

  • 4)

    Which of the following disease is spread by animal bite?

  • 5)

    Microbes that generally enter the body through nose are likely to affect

9th Standard Science Economic Biology English Medium Free Online Test 1 Mark Questions 2020-2021 - by Question Bank Software View & Read

  • 1)

    The production and management of fish is called

  • 2)

    Which one of the following is an Italian species of honey bee?

  • 3)

    Which one of the following is not an Indian major carp?

  • 4)

    Which of the following is an high milk yielding variety of cow?

  • 5)

    Which Indian variety of honey bee is commonly used for apiculture?

9th Standard Science Environmental Science English Medium Free Online Test 1 Mark Questions 2020-2021 - by Question Bank Software View & Read

  • 1)

    Increased amount of ___________ in the atmosphere, results in greenhouse effect and global warming

  • 2)

    In some xerophytes, leaves are modified into spines as an adaptation ________________.

  • 3)

    Which of the following is one of the strategies to conserve water?

  • 4)

    How much percentage of Nitrogen consist in Earth's atmosphere?

  • 5)

    Deforestation generally decrease ______________.

9th Standard Science Applied Chemistry English Medium Free Online Test 1 Mark Questions 2020-2021 - by Question Bank Software View & Read

  • 1)

    One Nanometre is

  • 2)

    1% solution of Iodoform is used as

  • 3)

    The age of a dead animal can be determined by using an isotope of ____________

  • 4)

    This type of food protect us from deficiency diseases.

  • 5)

    The groups responsible for the colour of an organic compound is called

9th Standard Science Carbon and its Compounds English Medium Free Online Test 1 Mark Questions 2020-2021 - by Question Bank Software View & Read

  • 1)

    A phenomenon in which an element exists in different modification in same physical state is called

  • 2)

    The carbon atoms in fullerene are arranged in mixed

  • 3)

    Diamond is not a good conductor of electricity because

  • 4)

    Which of the following is highly toxic?

  • 5)

    Plastics made of Polycarbonate (PC) and Acrylonitrile Butadiene Styrene (ABS) are made of resin code ___________

9th Standard Science Universe English Medium Free Online Test 1 Mark Questions 2020-2021 - by Question Bank Software View & Read

  • 1)

    Which of the following statements is correct?
    A. There are eight planets in our Solar System.
    B. Except Mars, all other planets revolve around the Sun in elliptical orbits

  • 2)

    Which of the following is not a part of outer solar system?

  • 3)

    The period of revolution of planet A around the Sun is 8 times that of planet B. How many times is the distance of planet A as great as that of planet B?

  • 4)

    Which of the following is not a member of the solar system?

  • 5)

    Which of the following is not a planet of our solar system?

9th Standard Science Sound English Medium Free Online Test 1 Mark Questions 2020-2021 - by Question Bank Software View & Read

  • 1)

    Which of the following vibrates when a musical note is produced by the cymbals in a orchestra?

  • 2)

    A musical instrument is producing continuous note. This note cannot be heard by a person having a normal hearing range. This note must then be passing through

  • 3)

    Which of the following statement best describes frequency?

  • 4)

    In the sound wave produced by a vibrating turning fork as shown in the diagram, half the wave length is represented by:

  • 5)

    When the pitch of note by a harmonium is lowered, then the wave length of the note

9th Standard Science Fluids English Medium Free Online Test 1 Mark Questions 2020-2021 - by Question Bank Software View & Read

  • 1)

    The size of an air bubble rising up in water

  • 2)

    Clouds float in atmosphere because of their low

  • 3)

    In a pressure cooker, the food is cooked faster because

  • 4)

    Unit of thrust is _____________.

  • 5)

    Instrument used to measure relative density

9th Standard Science Parts of Computer English Medium Free Online Test 1 Mark Questions 2020-2021 - by Question Bank Software View & Read

  • 1)

    Which one of the following is an output device?

  • 2)

    Which one of the following is an input device?

  • 3)

    Pen drive is _______device.

  • 4)

    _____________plays an important role in a computer as an inpute device

  • 5)

    ___________is an essentional part of the computer

9th Standard Science Organ Systems in Animals English Medium Free Online Test 1 Mark Questions 2020-2021 - by Question Bank Software View & Read

  • 1)

    Which of the following is not a salivary gland?

  • 2)

    To prevent the entry of food into the trachea, the opening is guarded by__________

  • 3)

    Excretion means______

  • 4)

    Which one of the following substance is not a constituent of sweat?

  • 5)

    Which of the following is not a part of female reproductive system?

9th Standard Science Organization of Tissues English Medium Free Online Test 1 Mark Questions 2020-2021 - by Question Bank Software View & Read

  • 1)

    A meristematic tissue consists of

  • 2)

    The fibres consists of

  • 3)

    Companion cells are closely associated with

  • 4)

    Aerenchyma is found in

  • 5)

    Unstriated muscles are found in

9th Standard Science Acids, Bases and Salts English Medium Free Online Test 1 Mark Questions 2020-2021 - by Question Bank Software View & Read

  • 1)

    Zn + 2HCl \(\longrightarrow \) ZnCl2 + ____\(​​​​\uparrow \)(H2' O2' CO2)

  • 2)

    Acids in plants and animals are organic acids. Whereas acids in rocks and minerals are_________

  • 3)

    Since metal carbonate and metal bicarbonate are basic they react with acids to give salt and water with the liberation of__________

  • 4)

    The nature of the tooth paste commonly used is in nature

  • 5)

    The hydrated salt of copper sulphate has______colour

9th Standard Science Chemical Bonding English Medium Free Online Test 1 Mark Questions 2020-2021 - by Question Bank Software View & Read

  • 1)

    Number of valence electrons in carbon is

  • 2)

    Atoms having 1, 2 or 3 electrons in its valence shell will readily form_____________

  • 3)

    Bond formed between a metal and non-metal atom is usually____________

  • 4)

    Covalent bond is formed by_________

  • 5)

    Elements with stable electronic configurations have eight electrons in their valence shell. They are__________

9th Standard Science Periodic Classification of Elements English Medium Free Online Test 1 Mark Questions 2020-2021 - by Question Bank Software View & Read

  • 1)

    If Dobereiner is related with 'law of triads', then Newlands is related with __________.

  • 2)

    Elements in the modern periodic table are arranged in__________ groups and __________ periods.

  • 3)

    If the electronic configuration of an element is 1s2 2s2p6 3s2 3p1, then it will occupy___________ block of the periodic table.

  • 4)

    Noble gases are placed in_____________ group in the modern periodic table.

  • 5)

    The maximum number of electrons that can be accommodated in s, p ,d, and f subshells are__________

9th Standard Science Magnetism and Electromagnetism English Medium Free Online Test 1 Mark Questions 2020-2021 - by Question Bank Software View & Read

  • 1)

    Which of the following converts electrical energy into mechanical energy?

  • 2)

    An electric generator converts

  • 3)

    The part of the AC generator that passes the current from the armature coil to the external circuit is

  • 4)

    Transformer works on.

  • 5)

    The unit of magnetic flux density is

9th Standard Science Electric Charge and Electric Current English Medium Free Online Test 1 Mark Questions 2020-2021 - by Question Bank Software View & Read

  • 1)

    In current electricity, a positive charge refers to,

  • 2)

    Electric field lines________ from positive charge and__________ in negative charge.

  • 3)

    In an electrolyte the current is due to the flow of

  • 4)

    The following is not a safety device.

  • 5)

    Resistance of a wire depends on

9th Standard Science Heat English Medium Free Online Test 1 Mark Questions 2020-2021 - by Question Bank Software View & Read

  • 1)

    Calorie is the unit of

  • 2)

    The specific heat capacity of water is

  • 3)

    Two cylinders of equal height and radius are made of copper and aluminium. Which of them conducts heat faster?

  • 4)

    A device in which the loss of heat due to conduction, convection and radiation is minimized in

  • 5)

    Water is used as a coolant because it________

9th Standard Science Computer - An Introduction English Medium Free Online Test 1 Mark Questions 2020-2021 - by Question Bank Software View & Read

  • 1)

    ____________ is an electronic device which stores data and information

  • 2)

    _________ belongs to the generation IV of the computer

  • 3)

    Data processing involves________ steps

  • 4)

    1. Abacus belongs to the first generation of the computer
    2. ENIAC was used in the American military

9th Standard Science Nutrition and Health English Medium Free Online Test 1 Mark Questions 2020-2021 - by Question Bank Software View & Read

  • 1)

    The nutrient required in trace amounts to accomplish various body functions is ____________.

  • 2)

    The sprouting of onion and potatoes can be delayed by the process of _______________

  • 3)

    October _____ is declared as Global Iodine deficiency day.

  • 4)

    Identify the trace element

  • 5)

    Fats are _____

9th Standard Science Animal Kingdom English Medium Free Online Test 1 Mark Questions 2020-2021 - by Question Bank Software View & Read

  • 1)

    Which is not an insect?

  • 2)

    Mesoglea is present in

  • 3)

    Which one of the following pairs is not a poikilothermic animal?

  • 4)

    Which is not a feature of chordates

  • 5)

    The animal without skull is

9th Standard Science Universe English Medium Free Online Test 1 Mark Questions 2020-2021 - by Question Bank Software View & Read

  • 1)

    Which of the following statements is correct?
    A. There are eight planets in our Solar System.
    B. Except Mars, all other planets revolve around the Sun in elliptical orbits

  • 2)

    Who proposed the heliocentric model of the universe?

  • 3)

    Which of the following is not a part of outer solar system?

  • 4)

    The period of revolution of planet A around the Sun is 8 times that of planet B. How many times is the distance of planet A as great as that of planet B?

  • 5)

    Which of the following is not a member of the solar system?

9th Standard Science Plant Physiology English Medium Free Online Test 1 Mark Questions 2020-2021 - by Question Bank Software View & Read

  • 1)

    A big tree falls in a forest but its roots are still in contact with the soil. The branches of this fallen tree straight up. This happens in response to __________

  • 2)

    The chemical reaction occurs during photosynthesis is ________. 

  • 3)

    The bending of root of a plant in response to water is called _________ 

  • 4)

    The plant part which exhibits negative geotropism is __________.

  • 5)

    Dandelion flowers open the petals in bright light during the day time but close the petals in dark at night. This response of Dandelion flowers is called ___________.

9th Standard Science Atomic Structure English Medium Free Online Test 1 Mark Questions 2020-2021 - by Question Bank Software View & Read

  • 1)

    Among the following the odd pair is

  • 2)

    The term nucleons refer to

  • 3)

    The correct electronic configuration of potassium is

  • 4)

    Law of multiple proportions was proposed by _________

  • 5)

    The compounds N2O, NO2, N2O4, N2O5 explains___________ law.

9th Standard Science Matter around us English Medium Free Online Test 1 Mark Questions 2020-2021 - by Question Bank Software View & Read

  • 1)

    The physical state of water at 373 K is

  • 2)

    When we mix a drop of ink in water we get a__________

  • 3)

    __________ has the same properties throughout the sample

  • 4)

    The separation of denser particles from lighter particles done by rotation at high speed is called ________

  • 5)

    Filtration method is effective in separating _______ mixture

9th Standard Science Light English Medium Free Online Test 1 Mark Questions 2020-2021 - by Question Bank Software View & Read

  • 1)

    The field of view is maximum for ________ 

  • 2)

    _________ is used as reflectors in torchlight.

  • 3)

    The focal length of a concave mirror is 5cm. Its radius of curvature is

  • 4)

    The speed of light is maximum in

  • 5)

    Which of the following statements about total internal reflection is true?

9th Standard Science Motion English Medium Free Online Test 1 Mark Questions 2020-2021 - by Question Bank Software View & Read

  • 1)

    Slope of the velocity - time graph gives

  • 2)

    A body moving with an initial velocity 5ms-1 and accelerates at 2ms-2. Its velocity after 10s is

  • 3)

    The area under velocity – time graph represents the

  • 4)

    Unit of acceleration is

  • 5)

    The force responsible for drying of clothes in a washing machine is

9th Standard Science Measurement English Medium Free Online Test 1 Mark Questions 2020-2021 - by Question Bank Software View & Read

  • 1)

    Choose the correct one

  • 2)

    1 metric ton is equal to

  • 3)

    Which among the following is not a device to measure mass?

  • 4)

    ____________is the fundamental quantity.

  • 5)

    Unit of time is_________.

9th Standard Science English Medium Free Online Test Creative 1 Mark Questions with Answer Key Part - 3 - by Question Bank Software View & Read

  • 1)

    There are___________fundamental units in SI system of units.

  • 2)

    A body moving along a circular path has _______

  • 3)

    An object is placed between F and 2F of a concave, mirror image will be formed_____________________

  • 4)

    Evaporation takes place at the______of a liquid.

  • 5)

    The outermost shell of an atom is called its________ shell.

9th Standard Science English Medium Free Online Test Creative 1 Mark Questions with Answer Key Part - 2 - by Question Bank Software View & Read

  • 1)

    With the help of common beam balance we can measure mass accurately up to_________gm.

  • 2)

    The slope of the velocity time graph for uniformly accelerated motion give _____

  • 3)

    A virtual and equal sized image is formed by ___________________mirrors.

  • 4)

    A mixture can be separated into its constituents by_____

  • 5)

    Maximum number of electrons that can be accommodated in an energy level is given by the formula ___________

9th Standard Science English Medium Free Online Test Creative 1 Mark Questions Part - Three - by Question Bank Software View & Read

  • 1)

    Moment is equal to_________of an hour.

  • 2)

    Area under a velocity time graph gives ______

  • 3)

    A virtual and equal sized image is formed by ___________________mirrors.

  • 4)

    Evaporation takes place at the______of a liquid.

  • 5)

    James Chadwick observed when was exposed to a particle, particles with about the same mass as protons were emitted.

9th Standard Science English Medium Free Online Test Creative 1 Mark Questions Part - Two - by Question Bank Software View & Read

  • 1)

    One meter is approximately equal to__________inches.

  • 2)

    The hands of the clock, the spokes of wheel are example of _______

  • 3)

    An object is placed between F and 2F of a concave, mirror image will be formed_____________________

  • 4)

    Gel are______solutions with liquid dispersed in solid

  • 5)

    Maximum number of electrons that can be accommodated in an energy level is given by the formula ___________

9th Standard Science English Medium Free Online Test Creative 1 Mark Questions Part - One - by Question Bank Software View & Read

  • 1)

    _________is not the unit of length.

  • 2)

    If velocity of a body decreases in equal intervals of time it is termed ______

  • 3)

    The mirror that diverge the light rays is______________________

  • 4)

    Particles of matter are in constant motion as they possess ______energy.

  • 5)

    James Chadwick observed when was exposed to a particle, particles with about the same mass as protons were emitted.

9th Standard Science English Medium Free Online Test Book Back 1 Mark Questions with Answer Key Part - 3 - by Question Bank Software View & Read

  • 1)

    A car is being driven at a speed of 20 ms-1 when brakes are applied to bring it to rest in 5 s. The decelaration produced in this case will be

  • 2)

    When the reflecting surface is curved outwards the mirror formed will be

  • 3)

    ______ is essential to perform separation by solvent extraction method.

  • 4)

    Transpiration is best defined as _________ 

  • 5)

    Find the group having only marine members

9th Standard Science English Medium Free Online Test Book Back 1 Mark Questions with Answer Key Part - 2 - by Question Bank Software View & Read

  • 1)

    The area under velocity time graph represents

  • 2)

    The speed of light is maximum in

  • 3)

    The term nucleons refer to

  • 4)

    During photosynthesis plants exhale _______. 

  • 5)

    Hermaphrodite organisms are

9th Standard Science English Medium Free Online Test Book Back 1 Mark Questions with Answer Key Part - 1 - by Question Bank Software View & Read

  • 1)

    Unit of acceleration is

  • 2)

    The focal length of a concave mirror is 5cm. Its radius of curvature is

  • 3)

    The constituents that form a mixture are also called

  • 4)

    The bending of root of a plant in response to water is called _________ 

  • 5)

    Which one of the following pairs is not a poikilothermic animal?

9th Standard Science English Medium Free Online Test Book Back 1 Mark Questions Part - Three - by Question Bank Software View & Read

  • 1)

    Which among the following is not a device to measure mass?

  • 2)

    The area under velocity time graph represents

  • 3)

    When a beam of white light passes through a prism it gets

  • 4)

    The separation of denser particles from lighter particles done by rotation at high speed is called ________

  • 5)

    The number of protons, neutrons and electrons present respectively in \(_{ 35 }^{ 80 }{ Br }\)

9th Standard Science English Medium Free Online Test Creative 1 Mark Questions with Answer Key Part - 1 - by Question Bank Software View & Read

  • 1)

    The unit of area is_________.

  • 2)

    To measure the diameter of a thin wire_________is used.

  • 3)

    The slope of the velocity time graph for uniformly accelerated motion give _____

  • 4)

    To form a real image -________________mirror is required.

  • 5)

    Evaporation takes place at the______of a liquid.

9th Standard Science English Medium Free Online Test Book Back 1 Mark Questions Part - Two - by Question Bank Software View & Read

  • 1)

    1 metric ton is equal to

  • 2)

    The speed of light is maximum in

  • 3)

    Difference in ________________is the principle used in fractional distillation

  • 4)

    A big tree falls in a forest but its roots are still in contact with the soil. The branches of this fallen tree straight up. This happens in response to __________

  • 5)

    Dysentery is caused by

9th Standard Science English Medium Free Online Test Book Back 1 Mark Questions Part - One - by Question Bank Software View & Read

  • 1)

    Rulers, measuring tapes and metre scales are used to measure

  • 2)

    A car is being driven at a speed of 20 ms-1 when brakes are applied to bring it to rest in 5 s. The decelaration produced in this case will be

  • 3)

    A real and enlarged image can be obtained by using a

  • 4)

    __________ has the same properties throughout the sample

  • 5)

    The correct electronic configuration of potassium is

9th Standard Science English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 Part - 10 - by Question Bank Software View & Read

  • 1)

    Rulers, measuring tapes and metre scales are used to measure

  • 2)

    Light travels________m in one second.

  • 3)

    _________ is used as reflectors in torchlight.

  • 4)

    Virtual and magnified image is formed by________________________mirror

  • 5)

    Atoms of the same element having same atomic number but different Mass number are called _________

9th Standard Science English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 Part - 9 - by Question Bank Software View & Read

  • 1)

    Distance between Chennai and Kanyakumari can be found in

  • 2)

    The force responsible for drying of clothes in a washing machine is

  • 3)

    A spherical mirror which has reflecting curved inward surface is ____________________mirror

  • 4)

    Difference in ________________is the principle used in fractional distillation

  • 5)

    Evaporation takes place at the______of a liquid.

9th Standard Science English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 Part - 8 - by Question Bank Software View & Read

  • 1)

    The diameters of spherical objects are measured with a_________scale.

  • 2)

    Which one of the following is most likely not a case of uniform circular motion?

  • 3)

    The second law of refraction is stated by ____________________

  • 4)

    For a simple distillation process we need to have

  • 5)

    During photosynthesis plants exhale _______. 

9th Standard Science English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 Part - 7 - by Question Bank Software View & Read

  • 1)

    A car is being driven at a speed of 20 ms-1 when brakes are applied to bring it to rest in 5 s. The decelaration produced in this case will be

  • 2)

    Speed is never ______

  • 3)

    When we mix a drop of ink in water we get a__________

  • 4)

    Protons and neutrons are collectively called as ________

  • 5)

    The plant part which exhibits negative geotropism is __________.

9th Standard Science English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 Part - 6 - by Question Bank Software View & Read

  • 1)

    Density is_________.

  • 2)

    Force involved in uniform circular motion is given by _____________.

  • 3)

    A body moving along a circular path has _______

  • 4)

    Gas particles can be forced to get closer and can be easily compressed. So _______ increases.

  • 5)

    Among the following the odd pair is

9th Standard Science English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 Part - 5 - by Question Bank Software View & Read

  • 1)

    _________is the unit of distance used to measure astronomical objects outside the solar system.

  • 2)

    The area under velocity – time graph represents the

  • 3)

    The field of view is maximum for ________ 

  • 4)

    A virtual and equal sized image is formed by ___________________mirrors.

  • 5)

    Change in the number of neutrons in an atom changes it to

9th Standard Science English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 Part - 4 - by Question Bank Software View & Read

  • 1)

    Which among the following is not a device to measure mass?

  • 2)

    _________is not the unit of length.

  • 3)

    The centrifugal force is

  • 4)

    The mirror used by a dental surgeon is _______________________

  • 5)

    The separation of denser particles from lighter particles done by rotation at high speed is called ________

9th Standard Science English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 Part - 3 - by Question Bank Software View & Read

  • 1)

    The area under velocity time graph represents

  • 2)

    The slope of the velocity time graph for uniformly accelerated motion give _____

  • 3)

    ______ is essential to perform separation by solvent extraction method.

  • 4)

    The pressure of a given mass of an ideal gas is inversely proportional to its volume at a constant_______

  • 5)

    Shoots are said to_____________.

9th Standard Science English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 Part - 2 - by Question Bank Software View & Read

  • 1)

    Choose the correct one

  • 2)

    ____________is the fundamental quantity.

  • 3)

    A car is being driven at a speed of 20 ms-1 when brakes are applied to bring it to rest in 5 s. The decelaration produced in this case will be

  • 4)

    Speed is never ______

  • 5)

    To separate two or more miscible liquids which do not differ much in the boiling points_______is employed

9th Standard Science English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 Part - 1 - by Question Bank Software View & Read

  • 1)

    There are___________fundamental units in SI system of units.

  • 2)

    The area under velocity time graph represents

  • 3)

    The angle between the normal and the refracted ray is called angle of ________________________

  • 4)

    ______ is essential to perform separation by solvent extraction method.

  • 5)

    An alpha particle is identical with a ___________Nucleus.

9th Standard Science English Medium Free Online Test 1 Mark Questions 2020 - 2021 Part - Ten - by Question Bank Software View & Read

  • 1)

    A body moving with an initial velocity 5ms-1 and accelerates at 2ms-2. Its velocity after 10s is

  • 2)

    The velocity of a freely falling body ______

  • 3)

    For a simple distillation process we need to have

  • 4)

    Energy is neither given out nor absorbed in the preparation of_____

  • 5)

    Botanical name of common dandelian is________________.

9th Standard Science English Medium Free Online Test 1 Mark Questions 2020 - 2021 Part - Eight - by Question Bank Software View & Read

  • 1)

    To measure the diameter of a thin wire_________is used.

  • 2)

    When a body starts from rest, the acceleration of the body after 2 second in _____________ of its displacement.

  • 3)

    The second law of refraction is stated by ____________________

  • 4)

    Filtration method is effective in separating _______ mixture

  • 5)

    Our bodies contain radioisotopes such as ___________which continuously emit radiation.

9th Standard Science English Medium Free Online Test 1 Mark Questions 2020 - 2021 Part - Seven - by Question Bank Software View & Read

  • 1)

    Unit of time is_________.

  • 2)

    A ray of light passes from one medium to another medium. Refraction takes place when angle of incidence is

  • 3)

    Mirrors having spherical surface of reflection are __________________

  • 4)

    Gel are______solutions with liquid dispersed in solid

  • 5)

    Among the following the odd pair is

9th Standard Science English Medium Free Online Test 1 Mark Questions 2020 - 2021 Part - Six - by Question Bank Software View & Read

  • 1)

    The area under velocity – time graph represents the

  • 2)

    The velocity time graph is parallel to X-axis it shows _______.

  • 3)

    Change in the number of neutrons in an atom changes it to

  • 4)

    Elements which have valence electrons 1 or 2 or 3 are ____________

  • 5)

    Identify the emerald green sea slug________________.

9th Standard Science English Medium Free Online Test 1 Mark Questions 2020 - 2021 Part - Nine - by Question Bank Software View & Read

  • 1)

    1 metric ton is equal to

  • 2)

    If velocity of a body decreases in equal intervals of time it is termed ______

  • 3)

    When the reflecting surface is curved outwards the mirror formed will be

  • 4)

    Law of multiple proportions was proposed by _________

  • 5)

    Dandelion flowers open the petals in bright light during the day time but close the petals in dark at night. This response of Dandelion flowers is called ___________.

9th Standard Science English Medium Free Online Test 1 Mark Questions 2020 - 2021 Part - Five - by Question Bank Software View & Read

  • 1)

    The velocity time graph is parallel to X-axis it shows _______.

  • 2)

    When a beam of white light passes through a prism it gets

  • 3)

    The radius of curvature of the spherical mirror is equal to __________.

  • 4)

    ______ is essential to perform separation by solvent extraction method.

  • 5)

    A mixture can be separated into its constituents by_____

9th Standard Science English Medium Free Online Test 1 Mark Questions 2020 - 2021 Part - Four - by Question Bank Software View & Read

  • 1)

    Which among the following is not a device to measure mass?

  • 2)

    A body moving along a circular path has _______

  • 3)

    __________ has the same properties throughout the sample

  • 4)

    The direct change of state from solid to gas is called______

  • 5)

    A growing seedling is kept in the dark room. A burning candle is placed near it for a few days. The tip part of the seedling bends towards the burning candle. This is an example of ____________.

9th Standard Science English Medium Free Online Test 1 Mark Questions 2020 - 2021 Part - Three - by Question Bank Software View & Read

  • 1)

    To measure the diameter of a thin wire_________is used.

  • 2)

    The centre of the reflecting surface of a spherical mirror is _____________________

  • 3)

    Particles of matter are in constant motion as they possess ______energy.

  • 4)

    Our bodies contain radioisotopes such as ___________which continuously emit radiation.

  • 5)

    ___________________% of water is used to produce carbohydrates by the plants.

9th Standard Science English Medium Free Online Test 1 Mark Questions 2020 - 2021 Part - Two - by Question Bank Software View & Read

  • 1)

    1 metric ton is equal to

  • 2)

    ____________balance is used in lab.

  • 3)

    When a body starts from rest, the acceleration of the body after 2 second in _____________ of its displacement.

  • 4)

    To form a real image -________________mirror is required.

  • 5)

    Protons and neutrons are collectively called as ________

9th Standard Science English Medium Free Online Test 1 Mark Questions 2020 - 2021 Part - One - by Question Bank Software View & Read

  • 1)

    Choose the correct one

  • 2)

    Moment is equal to_________of an hour.

  • 3)

    In a 100m race, the winner takes 10s to reach the finishing point. The average speed of the winner is

  • 4)

    In which direction of the motion of the particles does centripetal force act?

  • 5)

    When the reflecting surface is curved outwards the mirror formed will be

9th Standard Science 5 Mark Important Questions (Bookback and Creative) - by Question Bank Software View & Read

  • 1)

    Calculate the positive and negative error from the given figure

  • 2)

    Explain the method to find the diameter of the sphere.

  • 3)

    During an experiment, a signal from a spaceship reached the ground station in five seconds. What was the distance of the spaceship from the ground station? The signal travels at the speed of light that is 3 × 108 ms-1?

  • 4)

    Explain with diagrams how refraction of incident light takes place from
    a) rarer to denser medium
    b) denser to rarer medium
    c) normal to the surface separating the two media.

  • 5)

    Find the size, nature and position of image formed when an object of size 1 cm is placed at a distance of 15 cm from a concave mirror of focal length 10 cm.

9th Standard Science 4 Mark Important Questions (Bookback and Creative) - by Question Bank Software View & Read

  • 1)

    Write the rules that are followed in writing the symbols of units in SI system.

  • 2)

    How will you measure the least count of vernier caliper?

  • 3)

    The Main scale reading is 3.8 Vernier scale coincidence = 5th division. No zero error. Find the length of the iron cylinder.

  • 4)

    What do you understand about negative acceleration?

  • 5)

    What is meant by uniform circular motion? Give two examples of uniform circular motion.

9th Standard Science 2 Mark Important Questions (Bookback and Creative) - by Question Bank Software View & Read

  • 1)

    Define least count of any device.

  • 2)

    Can you find the diameter of a thin wire of length 2 m using the ruler from your instrument box?

  • 3)

    Calculate the correct readings of the Vernier caliper L.C. 0.01 em Zero correction - Nil.

    S.No. M.S.R V.C Observed Reading = M.S.R + (V.C x L.C) Correct Reading
    1 3 4    
    2 3 7    
  • 4)

    How is washing machine wash the clothes?

  • 5)

    Copy this figure in your answer book and show the direction of the light ray after reflection

9th Standard Science 1 Mark Important Questions (Bookback and Creative) - by Question Bank Software View & Read

  • 1)

    Choose the correct one

  • 2)

    Which among the following is not a device to measure mass?

  • 3)

    Unit of acceleration is________.

  • 4)

    The area under velocity – time graph represents the

  • 5)

    Force involved in uniform circular motion is given by _____________.

9th Standard Science Annual Exam Model Question Paper IV - 2019 - 2020 - by Question Bank Software View & Read

  • 1)

    Many of the ancient system of measurement were based on the dimensions of___________.

  • 2)

    A car is being driven at a speed of 20 ms-1 when brakes are applied to bring it to rest in 5 s. The decelaration produced in this case will be

  • 3)

    The point at which the rays are converged or diverged by a mirror is _____________________

  • 4)

    The correct electronic configuration of potassium is

  • 5)

    Which vitamin causes bow legs?

9th Standard Science Annual Exam Model Question Paper III - 2019 - 2020 - by Question Bank Software View & Read

  • 1)

    ____________is the fundamental quantity.

  • 2)

    Which one of the following is most likely not a case of uniform circular motion?

  • 3)

    According of _______________________ of light, angle of incidence is equal to angle of reflection

  • 4)

    Change in the number of neutrons in an atom changes it to

  • 5)

    Identify the mineral which regulates nerve and muscles activity?

9th Standard Science Annual Exam Model Question Paper II - 2019 - 2020 - by Question Bank Software View & Read

  • 1)

    There are___________fundamental units in SI system of units.

  • 2)

    In a 100 m race, the winner takes 10 s to reach the finishing point. The average speed of the winner is ___________ ms-1.

  • 3)

    The centre of the sphere of which a spherical mirror is a part is called ______________________

  • 4)

    The correct electronic configuration of potassium is

  • 5)

    Which one of the following is a disaccharide?

9th Standard Science Important Questions - by Question Bank Software View & Read

  • 1)

    Rulers, measuring tapes and metre scales are used to measure

  • 2)

    The diameters of spherical objects are measured with a_________scale.

  • 3)

    Which of the following graph represents uniform motion of a moving particle?

  • 4)

    The hands of the clock, the spokes of wheel are example of _______

  • 5)

    The focal length of a concave mirror is 5cm. Its radius of curvature is

9th Standard Science Annual Exam Model Question Paper 2019 - 2020 - by Question Bank Software View & Read

  • 1)

    ___________is the derived quantity.

  • 2)

    The area under velocity time graph represents

  • 3)

    The centre of the sphere of which a spherical mirror is a part is called ______________________

  • 4)

    Among the following the odd pair is

  • 5)

    Internal factor which is responsible for food spoilage is  ___________.

9th Science - Full Portion Five Marks Question Paper - by 8682895000 View & Read

  • 1)

    Find the thickness of a five rupee coin with the screw gauge, if the pitch scale reading is 1 mm and its head scale coincidence is 68.

  • 2)

    Calculate the positive and negative error from the given figure

  • 3)

    A ball is gently dropped from a height of 20 m. If its velocity increases uniformly at the rate of 10 ms-2 with what velocity will it strike the ground? After what time will it strike the ground?

  • 4)

    Draw a ray diagram to show the formation of image by a concave mirror for an object placed between its pole and Principal focus and state three characteristics of the image.

9th Science - Full Portion Three Marks Question Paper - by 8682895000 View & Read

  • 1)

    Write the need of a standard unit.

  • 2)

    An object travels 16m in 4s and then another 16m in 2s. What is the average speed of the object?

  • 3)

    What is meant by uniform circular motion? Give two examples of uniform circular motion.

  • 4)

    Pick out the concave and convex mirrors from the following and tabulate them Rear-view mirror, Dentist’s mirror, Torch-light mirror, Mirrors in shopping malls, Make-up mirror.

  • 5)

    State the laws of refraction.

9th Science - Full Portion Two Marks Question Paper - by 8682895000 View & Read

  • 1)

    What is the full form of SI system?

  • 2)

    Can you find the diameter of a thin wire of length 2 m using the ruler from your instrument box?

  • 3)

    A cyclist turning a corner leans inwards. Why?

  • 4)

    A coin in a glass beaker appears to rise as the beaker is slowly filled with water, why?

  • 5)

    If an object is placed at the focus of a concave mirror, where is the image formed?

9th Science - Environmental Science Model Question Paper - by Question Bank Software View & Read

  • 1)

    How much percentage of Nitrogen consist in Earth's atmosphere?

  • 2)

    Deforestation generally decrease ______________.

  • 3)

    World water day is celebrated every year on ____________.

  • 4)

    Biotic components include _______________.

  • 5)

    Which part of plant consisting Nitrogen fixing bacteria?

9th Science - World of Microbes Model Question Paper - by Question Bank Software View & Read

  • 1)

    Flagella arranged along the sides of the bacteria _____________.

  • 2)

    Which substance is produced within an organism to prevent the spread of microorganism?

  • 3)

    Which antibiotic is extracted from fungi?

  • 4)

    Which of the following micro organism helps in fermentation?

  • 5)

    Carrier of malaria causing protozoa

9th Science - Applied Chemistry Model Question Paper - by Question Bank Software View & Read

  • 1)

    ____________ Present in the lemon juice acts as electrolyte.

  • 2)

    Which of the following methods is suitable for preventing iron frying pan from rusting?

  • 3)

    Chloroform reacts with oxygen and forms this toxic substance, hence it is not used now

  • 4)

    Paracetamol is an _____________.

  • 5)

    Congo red is a __________.

9th Science - Hardware and Software Model Question Paper - by Question Bank Software View & Read

  • 1)

    Find out the part that is not found in CPU?

  • 2)

    Which of the following is correct?

  • 3)

    LINUX is a

  • 4)

    Find out the Paid and Proprietary software from the given list

  • 5)

    _________is an Operating System.

9th Science - Economic Biology Model Question Paper - by Question Bank Software View & Read

  • 1)

    Apiculture is the rearing of ____________.

  • 2)

    The quality and taste of honey depends upon the flower visited by _____________.

  • 3)

    Nowadays organic farming and organic products are very popular, which of the following is the reason for people to prefer this kind of products.

  • 4)

    It is a live floating nitrogen factory.

  • 5)

    Flavonoids drug is obtained from _______________.

9th Science - Carbon and its Compounds Model Question Paper - by Question Bank Software View & Read

  • 1)

    What is the minimum number of carbon atoms of an alkane must have to form an isomer?

  • 2)

    Hydrocarbons on burning in the air give CO2 and _____________.

  • 3)

    Which Amorphous form of carbon is used in making electrode in dry cell?

  • 4)

    The thinnest and strongest allotrope of carbon is ______________.

  • 5)

    Incomplete combustion of carbon fuels release this toxic gas into the atmosphere.

9th Science - Universe Model Question Paper - by Question Bank Software View & Read

  • 1)

    Which of the following is not a planet of our solar system?

  • 2)

    In a geostationary orbit, a satellite is at a distance of _______________ from the Earth.

  • 3)

    Stars in a constellation form _____________.

  • 4)

    Which of the following units is used to measure distance between the stars?

  • 5)

    The member of our solar system, with highly tilted orbit is _____________.

9th Science - Sound Model Question Paper - by Question Bank Software View & Read

  • 1)

    Which of the following are infrasonic waves?

  • 2)

    Speed of sound in solids does not depend upon __________.

  • 3)

    The back and forth motion of the object is called ___________.

  • 4)

    A Sonar device on a submarine send out a signal and receives an echo 5 seconds later. Calculate the speed of sound it water if the distance of the object from the submarine is 3500 m.

  • 5)

    The phenomenon of echo of sound waves is due to _____________.

9th Science - Fluids Model Question Paper - by Question Bank Software View & Read

  • 1)

    Unit of thrust is _____________.

  • 2)

    Instrument used to measure relative density

  • 3)

    Heavy trucks are fitted with six to eight wheels, As area increases, Pressure will ___________.

  • 4)

    An iron ball is weighed in air and then in water by a spring balance.

  • 5)

    When a solid is partly or wholly immersed in a fluid, it experiences an apparent loss in ____________.

9th Science - Parts of Computer Model Question Paper - by Question Bank Software View & Read

  • 1)

    Which one of the following is an output device?

  • 2)

    _____________plays an important role in a computer as an inpute device

  • 3)

    ___________is an essentional part of the computer

  • 4)

    A bit has a single binary value either __________ or __________

  • 5)

    Personal computer comes under the_________ computer.

9th Science - Organ Systems in Animals Model Question Paper - by Question Bank Software View & Read

  • 1)

    In the dental formula \(\cfrac { 2 }{ 2 } ,\cfrac { 1 }{ 1 } ,\cfrac { 2 }{ 2 } ,\cfrac { 3 }{ 3 } \)refers to__________

  • 2)

    Lysozyme is seen in_______

  • 3)

    Curdling of milk protein is done by___________

  • 4)

    The act of bringing swallowed food back to the mouth is called___________

  • 5)

    Gastric glands do not secrete__________

9th Science - Organization of Tissues Model Question Paper - by Question Bank Software View & Read

  • 1)

    __________is derived from ground meristem

  • 2)

    The____________ epithelium forms a selective permeable membrane surface.

  • 3)

    Elastic structures which connect bone to bone are called___________

  • 4)

    _________is seen in unicellular animals.

  • 5)

    The ________is a long fibre like process

9th Science - Acids, Bases and Salts Model Question Paper - by Question Bank Software View & Read

  • 1)

    Hydrochloric Acid reacts with metal bicarbonates to give______

  • 2)

    _____&_______metals do not react with HCI or HNO3

  • 3)

    Which of the following are the is a weak bases?

  • 4)

    Which of the following solution is soapy to touch?

  • 5)

    Which of the following solutions do not conduct electricity?

9th Science - Chemical Bonding Model Question Paper - by Question Bank Software View & Read

  • 1)

    Alkali and alkaline earth metals form____________ compound when they react with nonmetals

  • 2)

    ___________compounds are highly brittle

  • 3)

    _______________is an example of a covalent compound having high melting point

  • 4)

    Which of the following compound(s) possesses high melting point?

  • 5)

    Statement (A) : Covalent compounds are bad conductor of electricity.
    Reason (B) Covalent compounds contain charged particles (ions)

9th Science - Periodic classification of elements Model Question Paper - by Question Bank Software View & Read

  • 1)

    Noble gases are placed in_____________ group in the modern periodic table.

  • 2)

    Group 16 elements are collectively called as__________

  • 3)

    d-block elements are otherwise known as_______

  • 4)

    Assertion (A): Noble gases are chemically inert in nature.
    Reason (R) : Noble gases have stable electronic structures

  • 5)

    What are alloys?

9th Science - Magnetism and Electromagnetism Model Question Paper - by Question Bank Software View & Read

  • 1)

    The direction of magnetic field around a straight conductor carrying current can be determined by____________

  • 2)

    The magnetic field produced due to a circular wire at its centre is_________

  • 3)

    A magnetic field exerts no force on________

  • 4)

    At the  centre of a magnet, the magnetism is____________

  • 5)

    Induced current flows through a coil__________

9th Science - Electric Charge and Electric Current Model Question Paper - by Question Bank Software View & Read

  • 1)

    A current of 2A passing through conductor produces 80 J of heat in 10 seconds. The resistance of the conductor is__________

  • 2)

    The resistance of a straight conductor is independent of__________

  • 3)

    Two resistances R1 and R2 are connected is parallel. Their equivalent resistance is__________

  • 4)

    If in the circuit, power dissipation is 150 W, then R - is___________

  • 5)

    The resistance of a conductor is R. If its length is doubled, then its new resistance will be_______________

9th Science - Heat Model Question Paper - by Question Bank Software View & Read

  • 1)

    The amount of heat required to raise the temperature through 10C is called_________

  • 2)

    The temperature at which a liquid gets converted into its vapour state is called its________

  • 3)

    Ice does not melt rapidly because of

  • 4)

    Which one of the following scales has lower fixed point at 0°C?

  • 5)

    On a cold day, it is hard to open the lid of a tight container. But when you gently heat the neck you can easily open the lid. why?

9th Science - Computer – An Introduction Model Question Paper - by Question Bank Software View & Read

  • 1)

    ____________ is an electronic device which stores data and information

  • 2)

    _________ belongs to the generation IV of the computer

  • 3)

    Data processing involves________ steps

  • 4)

    1. Abacus belongs to the first generation of the computer
    2. ENIAC was used in the American military

  • 5)

    Write a note on ENIAC.

9th Science - Nutrition and Health Model Question Paper - by Question Bank Software View & Read

  • 1)

    Riboflavin is other name of vitamin _____

  • 2)

    Diarrhoea is caused due to the deficiency of vitamin ______

  • 3)

    Any disease caused by the presence of excess vitamin is _________ .

  • 4)

    Blood clot is prevented by the vitamin _________ .

  • 5)

    Proteins are made of ____________ .

9th Science - Animal Kingdom Model Question Paper - by Question Bank Software View & Read

  • 1)

    How many organisms given below show radial symmetry? Earthworms, grasshopper, rotifers, jelly fish and star fish__________.

  • 2)

    Consider the following four statements whether they are correct or wrong for the classification of animal kingdom.

  • 3)

    Incomplete digestive system is found in__________.

  • 4)

    Which among the following organism has water vascular system in its body?

  • 5)

    The non-cellularjelly like layer is present in between ectoderm and endoderm in coelenterates is_________.

9th Science - Plant Physiology Model Question Paper - by Question Bank Software View & Read

  • 1)

    Shoots are said to_____________.

  • 2)

    Rhizophora is an example for_________________.

  • 3)

    Priestley concluded that spring of mint had absorbed _____________.

  • 4)

    Identify the false statement

  • 5)

    Photosynthesis occurs in most plants during the________________.

9th Science - Atomic Structure Model Question Paper - by Question Bank Software View & Read

  • 1)

    Protons and neutrons are collectively called as ________

  • 2)

    Atoms of the same element having same atomic number but different Mass number are called _________

  • 3)

    The electronic configuration of Neon is 2, 8. So the valency is _________

  • 4)

    Our bodies contain radioisotopes such as ___________which continuously emit radiation.

  • 5)

    Gay-Lussac law always dealing with________

9th Science - Matter Around Us Model Question Paper - by Question Bank Software View & Read

  • 1)

    The physical state of water at 373 K is

  • 2)

    The separation of denser particles from lighter particles done by rotation at high speed is called ________

  • 3)

    Filtration method is effective in separating _______ mixture

  • 4)

    Solids_____into liquid

  • 5)

    _____ is a process by which a substance changes from the liquid to gaseous state.

9th Science - Light Model Question Paper - by Question Bank Software View & Read

  • 1)

    A real and enlarged image can be obtained by using a

  • 2)

    Which of the following statements about total internal reflection is true?

  • 3)

    The angle between the normal and the refracted ray is called angle of ________________________

  • 4)

    The second law of refraction is stated by ____________________

  • 5)

    The velocity of light in air is______________

9th Science - Motion Model Question Paper - by Question Bank Software View & Read

  • 1)

    The area under velocity time graph represents

  • 2)

    When a body starts from rest, the acceleration of the body after 2 second in _____________ of its displacement.

  • 3)

    Force involved in uniform circular motion is given by _____________.

  • 4)

    The hands of the clock, the spokes of wheel are example of _______

  • 5)

    In which direction of the motion of the particles does centripetal force act?

9th Science - Measurement Model Question Paper - by Question Bank Software View & Read

  • 1)

    Distance between Chennai and Kanyakumari can be found in

  • 2)

    Which among the following is not a device to measure mass?

  • 3)

    To measure the diameter of a thin wire_________is used.

  • 4)

    ____________balance is used in lab.

  • 5)

    _________is the unit of distance used to measure astronomical objects outside the solar system.

9th Science - Half Yearly Model Question Paper 2019 - by Question Bank Software View & Read

  • 1)

    Choose the correct one

  • 2)

    A body moving along a circular path has _______

  • 3)

    The velocity of light in air is______________

  • 4)

    Protons and neutrons are collectively called as ________

  • 5)

    From the following options select the statement which is not applicable to frog?

9th Science - Hardware and Software Model Question Paper - by Preetha - Cuddalore View & Read

  • 1)

    Find out the part that is not found in CPU?

  • 2)

    LINUX is a

  • 3)

    Find out the Paid and Proprietary software from the given list

  • 4)

    _________is an Operating System.

  • 5)

    MAC OS

9th Science - World of Microbes Model Question Paper - by Preetha - Cuddalore View & Read

  • 1)

    Mycology is the branch of biology that deals with the study of

  • 2)

    Mosquito borne viral diseases are

  • 3)

    The primary organ infected during tuberculosis is

  • 4)

    Poliomyelitis virus which causes infantile paralysis enters the body through

  • 5)

    Which of the following micro organism helps in fermentation?

9th Science - Economic Biology Model Question Paper - by Preetha - Cuddalore View & Read

  • 1)

    The production and management of fish is called

  • 2)

    Which one of the following is not an Indian major carp?

  • 3)

    Drones in the honey bee colony are formed from

  • 4)

    The plant body of mushroom is

  • 5)

    It is a live floating nitrogen factory.

9th Standard Science - Environmental Science Model Question Paper - by Preetha - Cuddalore View & Read

  • 1)

    The ice sheets from the north and south poles and the icecaps on the mountains, get converted into water vapour through the process of ______________.

  • 2)

    In some xerophytes, leaves are modified into spines as an adaptation ________________.

  • 3)

    Which of the following is one of the strategies to conserve water?

  • 4)

    Specific constituents such as nitrogen, phosphorus, suspended solids and heavy metals found in the wastewater are removed during ___________ treatment of water recycling process.

  • 5)

    Deforestation generally decrease ______________.

9th Science - Applied Chemistry Model Question Paper - by Preetha - Cuddalore View & Read

  • 1)

    One Nanometre is

  • 2)

    1% solution of Iodoform is used as

  • 3)

    The cathode of an electrochemical reaction involves ____________

  • 4)

    The age of a dead animal can be determined by using an isotope of ____________

  • 5)

    This type of food protect us from deficiency diseases.

9th Science - Carbon and its Compounds Model Question Paper - by Preetha - Cuddalore View & Read

  • 1)

    A phenomenon in which an element exists in different modification in same physical state is called

  • 2)

    The carbon atoms in fullerene are arranged in mixed

  • 3)

    Carbon forms large number of organic compounds due to

  • 4)

    Which of the following does not contain double bond

  • 5)

    Which of the following is highly toxic?

9th Standard Science - Universe Model Question Paper - by Preetha - Cuddalore View & Read

  • 1)

    Who proposed the heliocentric model of the universe?

  • 2)

    Which of the following is not a part of outer solar system?

  • 3)

    Ceres is a _______.

  • 4)

    The period of revolution of planet A around the Sun is 8 times that of planet B. How many times is the distance of planet A as great as that of planet B?

  • 5)

    The Big Bang occurred ________ years ago.

9th Science - Sound Model Question Paper - by Preetha - Cuddalore View & Read

  • 1)

    Which of the following vibrates when a musical note is produced by the cymbals in a orchestra?

  • 2)

    The maximum speed of vibrations which produces audible sound will be in

  • 3)

    The sound waves travel faster

  • 4)

    Which of the following can produce longitudinal waves as well as transverse waves under different conditions?

  • 5)

    The velocities of sound waves in four media P, O, Q, R and S are 18,00 km/h, 900 km/h, 0 km/h, and 1200 km/h respectively. Which could be a liquid medium?

9th Standard Science - Parts of Computer Model Question Paper - by Preetha - Cuddalore View & Read

  • 1)

    Which one of the following is an output device?

  • 2)

    Which one of the following is an input device?

  • 3)

    Which one of the following is an example for wireless connections?

  • 4)

    Pen drive is _______device.

  • 5)

    ___________is an essentional part of the computer

9th Standard Science - Fluids Model Question Paper - by Preetha - Cuddalore View & Read

  • 1)

    The size of an air bubble rising up in water

  • 2)

    Clouds float in atmosphere because of their low

  • 3)

    In a pressure cooker, the food is cooked faster because

  • 4)

    In CGS system pressure is measured in ____________.

  • 5)

    Heavy trucks are fitted with six to eight wheels, As area increases, Pressure will ___________.

9th Standard Science - Organ Systems in Animals Model Question Paper - by Preetha - Cuddalore View & Read

  • 1)

    Which of the following is not a salivary gland?

  • 2)

    Stomach of human beings mainly digests

  • 3)

    Which one of the following substance is not a constituent of sweat?

  • 4)

    Which of the following is not a part of female reproductive system?

  • 5)

    __________is the smallest gland

9th Standard Science - Organization of Tissues Model Question Paper - by Preetha - Cuddalore View & Read

  • 1)

    The tissue composed of living thin walled polyhedral cell is

  • 2)

    Aerenchyma is found in

  • 3)

    Unstriated muscles are found in

  • 4)

    Smooth muscles occur in

  • 5)

    Tendon connects

9th Science - Acids, Bases and Salts Model Question Paper - by Preetha - Cuddalore View & Read

  • 1)

    Zn + 2HCl \(\longrightarrow \) ZnCl2 + ____\(​​​​\uparrow \)(H2' O2' CO2)

  • 2)

    Acids in plants and animals are organic acids. Whereas acids in rocks and minerals are_________

  • 3)

    Since metal carbonate and metal bicarbonate are basic they react with acids to give salt and water with the liberation of__________

  • 4)

    The nature of the tooth paste commonly used is in nature

  • 5)

    The hydrated salt of copper sulphate has______colour

9th Science - Term 2 Parts of Computer Three Marks Questions - by Question Bank Software View & Read

  • 1)

    Bring out any two differences between input and output devices

  • 2)

    What is input devices?

  • 3)

    Write the example of input and output devices of a computer system

  • 4)

    What is keyboard?

  • 5)

    Explain CPU.

9th Standard Science - Term 3 Fluids Three Marks - by Question Bank Software View & Read

  • 1)

    On what factors the pressure exerted by the liquid depends on?

  • 2)

    Why does a helium balloon float in air?

  • 3)

    Why it is easy to swim in river water than in sea water?

  • 4)

    What is meant by atmospheric pressure?

  • 5)

    State Pascal’s law.

9th Standard Science - Term 3 Sound Three Marks - by Question Bank Software View & Read

  • 1)

    Name the device which is used to produce sound in laboratory experiments.

  • 2)

    Through which medium sound travels faster, iron or water? Give reason.

  • 3)

    What should an object do to produce sound?

  • 4)

    Can sound travel through vacuum?

  • 5)

    Name the physical quantity whose SI unit is ‘hertz’. Define.

9th Standard Science - Term 3 Universe Three Marks - by Question Bank Software View & Read

  • 1)

    What is Big bang theory?

  • 2)

    What is dark matter and dark energy?

  • 3)

    Write a note on outer planets?

  • 4)

    What are meteors and meteorites?

  • 5)

    What is the purpose of ISS?

9th Standard Science - Term 3 Carbon and its Compounds Three Marks - by Question Bank Software View & Read

  • 1)

    Differentiate graphite and diamond.

  • 2)

    What are saturated and unsaturated compounds called?

  • 3)

    Carbon do not form ionic compounds. Why?

  • 4)

    What is the valency of carbon in carbon monoxide?

  • 5)

    Why are one-time use and throwaway plastics harmful?

9th Standard Science - Term 3 Economic Biology Three Marks - by Question Bank Software View & Read

  • 1)

    What are secondary metabolites?

  • 2)

    What do you know about AYUSH?

  • 3)

    What are the types of vegetable garden?

  • 4)

    Mention any two mushroom preservation methods.

  • 5)

    Why do we call Haryana and Kankrej breed of cattle as dual purpose breeds?

9th Standard Science - Term 3 World of Microbes Three Marks - by Question Bank Software View & Read

  • 1)

    Distinguish between Virion and Viroid.

  • 2)

    A baby is suffering from diarrhoea, while other babies in the same locality do not. Mention the possible causes that you think. What would be the possible solutions for this?

  • 3)

    Name the vector of the malarial parasite. Mention the species of malarial parasite which cause malignant and fatal malaria.

  • 4)

    What is triple antigen? Mention the disease which can be prevented by using the antigen.

  • 5)

    Sanjay had an attack of chicken pox and has just recovered. The health officer of his locality says that the disease would not occur again for him. What would be the reason for this?

9th Standard Science - Term 2 Organ Systems in Animals Three Marks Questions - by Question Bank Software View & Read

  • 1)

    Define the following terms:
    a. Digestion
    b. Osmoregulation
    c. Emulsification
    d. Ovulation

  • 2)

    Name the types of teeth present in an adult human being. Mention the functions of each.

  • 3)

    What are the end products of digestion of starch, proteins and fats respectively?

  • 4)

    Explain the structure of nephron.

9th Standard Science - Term 3 Environmental Science Three Marks - by Question Bank Software View & Read

  • 1)

    What are the two factors of biosphere?

  • 2)

    How do human activities affect nitrogen cycle?

  • 3)

    What is adaptation?

  • 4)

    What are the challenges faced by hydrophytes in their habitat?

  • 5)

    Identify the given plant. How does it adapt itself to its habitat?

9th Standard Science - Term 2 Organization of Tissues Three Marks Questions - by Question Bank Software View & Read

  • 1)

    What are intercalary meristems? How do they differ from other meristems?

  • 2)

    How would you differentiate between meristematic and permanent tissue?

  • 3)

    Which tissue is the main component of tendons and ligaments? How do they differ in function?

  • 4)

    What are the fibres present in the matrix of loose connective tissue?

  • 5)

    How are collagen fibres organized in dense connective tissues

9th Standard Science - Term 2 Acids, Bases and Salts Three Marks Questions - by Question Bank Software View & Read

  • 1)

    What are organic acids? Given examples?

  • 2)

    How are acids classified based on ionisation? Give examples.

  • 3)

    What is Aquaregia? Mention its uses

  • 4)

    What does acidity of base mean?

  • 5)

    What is Potash alum? Write its formula

9th Standard Science - Term 2 Chemical Bonding Three Marks Questions - by Question Bank Software View & Read

  • 1)

    What is chemical bond?

  • 2)

    Write the basic concept of Kossel - Lewis theory

  • 3)

    Define ionic bond

  • 4)

    What is covalent bond?

  • 5)

    Name of the following:
    (a) An element which obtains the noble gas configuration of neon by losing three electrons.
    (b) An element which gains two electrons to obtain noble gas configuration of Neon.

9th Standard Science - Term 2 Magnetism and Electromagnetism Three Marks Questions - by Question Bank Software View & Read

  • 1)

    State an important advantage of ac over dc.

  • 2)

    A portable radio has a built in transformer so that if can work from the mains instead of batteries. Is this a step up or step down transformer?

  • 3)

    Two coils A and B of insulated wire are kept close to each other. Coil A is connected to a galvanometer. While coil B is connected to a battery through a key. What would happen if
    (i) a current is passed through coil B by plugging the key?
    (ii) the current is stopped by removing the plug from the key?

  • 4)

    State Faraday’s laws of electromagnetic induction.

  • 5)

    Can two magnetic lines of force intersect? Justify your answer.

9th Science - Term 2 Electric Charge and Electric Current Three Marks Questions - by Question Bank Software View & Read

  • 1)

    State Ohm’s law.

  • 2)

    On what factor does the resistance of a wire depend at a particular temperature?

  • 3)

    Name any two appliances which work under the principle of heating effect of current.

  • 4)

    Calculate the amount of charge that would flow in 2 hours through an element of an electric bulb drawing a current of 2.5A.

  • 5)

    The values of current I flowing through a resistor for various potential differences V across the resistor are given below. What is the value of resistor?

    I (ampere) 0.5 1.0 2.0 3.0 4.0
    V (volt) 1.6 3.4 6.7 10.2 13.2

    [Hint: plot V-I graph and take slope]

9th Science - Term 2 Heat Three Marks Questions - by Question Bank Software View & Read

  • 1)

    How does the water kept in an earthen pot remain cool?

  • 2)

    Define specific latent heat capacity

  • 3)

    What could be the final temperature of a mixture of 100 g of water at 90ºC and 600g of water at 20ºC?

  • 4)

    Why are burns caused by steam more painful than those caused by boiling water at the same temperature?

  • 5)

    What is the amount of heat required to raise the temperature of 5 kg of iron from 30°C to 130°C? Specific heat capacity of iron = 483 Jkg-1C-1.

9th Standard Science - Chemical bonding Model Question Paper - by Preetha - Cuddalore View & Read

  • 1)

    Number of valence electrons in carbon is

  • 2)

    Atoms having 1, 2 or 3 electrons in its valence shell will readily form_____________

  • 3)

    Bond formed between a metal and non-metal atom is usually____________

  • 4)

    Covalent bond is formed by_________

  • 5)

    Elements with stable electronic configurations have eight electrons in their valence shell. They are__________

9th Standard Science - Periodic classification of elements Model Question Paper - by Preetha - Cuddalore View & Read

  • 1)

    If Dobereiner is related with 'law of triads', then Newlands is related with __________.

  • 2)

    Modern periodic law states that the physical and chemical properties of elements are the periodic functions of their__________

  • 3)

    If the electronic configuration of an element is 1s2 2s2p6 3s2 3p1, then it will occupy___________ block of the periodic table.

  • 4)

    The maximum number of electrons that can be accommodated in s, p ,d, and f subshells are__________

  • 5)

    Which block of the periodic table contains metals, non-metals and metalloids?

9th Science - Term 1 Health and Hygiene - Food for living 3 Marks Questions - by Question Bank Software View & Read

  • 1)

    Write any one function of the following minerals
    a) Calcium   b) Sodium
    c) Iron          d) Iodine

  • 2)

    Explain any two methods of food preservation.

  • 3)

    Sanjana wants to buy a jam bottle in a grocery shop. What are the things she should observe on the label before purchasing it

  • 4)

    Give one reason for the following statements:
    a. Salt is added as a preservative in pickles___________
    b. We should not eat food items beyond the expiry date ______________
    c. Deficiency of calcium in diet leads to poor skeletal growth ___________

  • 5)

    What are the effects of consuming adulterated food?

9th Science - Term 1 Living World of Animals - Diversity in Living Organism - Kingdom Animalia 3 Marks Questions - by Question Bank Software View & Read

  • 1)

    Give an account on phylum Annelida.

  • 2)

    List the excretory organs of invertebrates in relation to their habitats.

  • 3)

    How is the body wall of coelenterates arranged?

  • 4)

    Differentiate between flat worms and round worms?

  • 5)

    List five characteristic features of fishes.

9th Science - Term 1 Living World of Plants - Plant Physiology Three Marks Questions - by Question Bank Software View & Read

  • 1)

    Explain the types of tropisms.

  • 2)

    Give an account of phototropism.

  • 3)

    Write a brief note on types of nastic movements.

  • 4)

    Briefly, explain nastic movements

  • 5)

    How will you prove that shoots bent towards light? (OR) Experiment to demonstrate phototropism.

9th Science - Term 1 Matter around us Three Marks Questions - by Question Bank Software View & Read

  • 1)

    Why are gases easily compressible whereas solids are incompressible?

  • 2)

    Hold a ‘smiley ball’ and squeeze it. Can you compress it? Justify your answer?

  • 3)

    Which of the following are pure substances? Ice, Milk, Iron, Hydrochloric acid, Mercury, Brick and Water.

  • 4)

    Oxygen is very essential for us to live. It forms 21% of air by volume. Is it an element or compound?

  • 5)

    What is an adsorbate and adsorbent?

9th Science - Term 1 Atomic Structure 3 Marks Questions - by Question Bank Software View & Read

  • 1)

    Methane burns in oxygen to form carbon dioxide and water vapour as given by the equation
    CH4(g) + 2O2(g) ➝ CO2(g)+ 2H2O(g)
    Calculate: (i) the volume of oxygen needed to burn completely 50 cm3 of methane and (ii) the volume of carbon dioxide formed in this case.

  • 2)

    An atom has 11 protons, 11 electrons and 12 neutrons. What is the atomic number and the name of the element?

  • 3)

    State the law of multiple proportions

  • 4)

    List the uses of isotopes?

9th Science - Term 1 Light Three Marks Questions - by Question Bank Software View & Read

  • 1)

    An object 2 cm high is placed at a distance of 16 cm from a concave mirror which produces a real image 3 cm high. Find the position of the image.

  • 2)

    a) Complete the diagram to show how a concave mirror forms the image of the object.
    b) What is the nature of the image?

  • 3)

    Pick out the concave and convex mirrors from the following and tabulate them Rear-view mirror, Dentist’s mirror, Torch-light mirror, Mirrors in shopping malls, Make-up mirror.

  • 4)

    State the direction of incident ray which after reflection from a spherical mirror retraces its path. Give reason for your answer.

  • 5)

    What is meant by magnification? Write its expression. What is its sign for the image and virtual image?

9th Science - Term 1 Motion Three Marks Questions - by Question Bank Software View & Read

  • 1)

    A sound is heard 5 s later than the lightning is seen in the sky on a rainy day. Find the distance of location of lightning? Given the speed of sound = 346 ms-1

  • 2)

    A 900 kg car moving at 10 ms-1 takes a turn around a circle with a radius of 25 m. Determine the acceleration and the net force acting upon the car.

  • 3)

    Compare speed and velocity?

  • 4)

    Why did the actual speed differ from average speed?

  • 5)

    Mention the uses of velocity–time graph.

9th Science - Term 1 Measurement and Measuring Instruments Three Marks Questions - by Question Bank Software View & Read

  • 1)

    Write the rules that are followed in writing the symbols of units in SI system.

  • 2)

    Write the need of a standard unit.

  • 3)

    Differentiate mass and weight.

  • 4)

    What is the measuring unit of the thickness of a plastic carry bag?

  • 5)

    How will you measure the least count of vernier caliper?

9th Science - Electric Charge and Electric Current Model Question Paper - by Preetha - Cuddalore View & Read

  • 1)

    Rubbing of comb with hair.

  • 2)

    In an electrolyte the current is due to the flow of

  • 3)

    The following is not a safety device.

  • 4)

    In India the frequency of alternating current is

  • 5)

    The resistance of a straight conductor is independent of__________

9th Standard Science - Magnetism and Electromagnetism Model Question Paper - by Preetha - Cuddalore View & Read

  • 1)

    Which of the following converts electrical energy into mechanical energy?

  • 2)

    The part of the AC generator that passes the current from the armature coil to the external circuit is

  • 3)

    Transformer works on.

  • 4)

    The unit of magnetic flux density is

  • 5)

    The direction of magnetic field around a straight conductor carrying current can be determined by____________

9th Standard Science - Electric Charge and Electric Current Model Question Paper - by Preetha - Cuddalore View & Read

  • 1)

    In current electricity, a positive charge refers to,

  • 2)

    Potential near a charge is the measure of its________ to bring a positive charge at that point.

  • 3)

    Electroplating is an example for

  • 4)

    In India the frequency of alternating current is

  • 5)

    Electrons move from__________ potential to __________ potential

9th Standard Science - Heat Model Question Paper - by Preetha - Cuddalore View & Read

  • 1)

    Calorie is the unit of

  • 2)

    The specific heat capacity of water is

  • 3)

    A device in which the loss of heat due to conduction, convection and radiation is minimized in

  • 4)

    The temperature at which a liquid gets converted into its vapour state is called its________

  • 5)

    Which one of the following scales has lower fixed point at 0°C?

9th Standard Science - Term 3 Economic Biology Two Marks Questions - by Question Bank Software View & Read

  • 1)

    Define 
    a. Pisiculture
    b. Apiculture
    c. Vermiculture
    d. Mariculture
    e. Floriculture
    f. Compost
    g. Pomiculture
    h. Pinning

  • 2)

    Define Apiculture

  • 3)

    Define Floriculture

9th Standard Science - Term 2 Organ Systems in Animals Two Marks Questions - by Question Bank Software View & Read

  • 1)

    Arrange the following five steps of nutrition in correct sequence: (digestion, assimilation, ingestion, egestion, absorption)

  • 2)

    The stomach secretes gastric juice, which contains hydrochloric acid. What is its function?

  • 3)

    How is the small intestine designed to absorb digested food?

  • 4)

    Why do we sweat?

  • 5)

    State any two vital functions of human kidney.

9th Standard Science - Term 2 Organization of Tissues Two Marks Questions - by Question Bank Software View & Read

  • 1)

    Name the components of xylem and phloem.

  • 2)

    Name tissue that stores fat in our body.

  • 3)

    Name the tissue present in the brain.

  • 4)

    What is plate meristem?

  • 5)

    Differentiate Collenchyma and Sclerenchyma

9th Standard Science - Term 2 Acids, Bases and Salts Two Marks Questions - by Question Bank Software View & Read

  • 1)

    Non-metallic oxides are acidic is nature.

  • 2)

    Complete the equation HCl+ H2⟶ H3O+ +Cl-

  • 3)

    Complete the equation H+ +H2⟶ ?

  • 4)

    Complete the equation Mg+? ⟶ ?+H2

  • 5)

    Complete the equation Na2CO3+2HCl ⟶ ?+? +CO2

9th Standard Science Term 2 Periodic classification of elements Two Marks Questions - by Question Bank Software View & Read

  • 1)

    State modern periodic law.

  • 2)

    What are s-block elements?

  • 3)

    What are p-block elements?

  • 4)

    What are alloys?

  • 5)

    What are metalloids? Give examples

9th Science - Term 2 Magnetism and Electromagnetism Two Marks Questions - by Question Bank Software View & Read

  • 1)

    Define magnetic flux density.

  • 2)

    Draw and label the diagram of an AC generator.

  • 3)

    Define the terms magnet and magnetism.

  • 4)

    Define natural magnet.

  • 5)

    Define artificial magnet

9th Standard Science Living World of Animals - Diversity in Living Organism - Kingdom Animalia Two Marks Questions - by Question Bank Software View & Read

  • 1)

    Which organism is called as Friend of farmers? Why?

  • 2)

    List the respiratory organs of amphibians.

  • 3)

    Differentiate between tube feet and false feet.

  • 4)

    What are the sub-phylum of prochordates?

  • 5)

    Why are frogs said to be amphibians?

9th Science - Computer – An Introduction Two Marks Questions - by Question Bank Software View & Read

  • 1)

    Write a note on ENIAC.

  • 2)

    Who is the father of modern computer?

  • 3)

    Who was the first programmer?

  • 4)

    What are the forms of computer?

  • 5)

    How computer generations are categorised?

9th Science - Term 2 - Heat Two Marks Questions - by Question Bank Software View & Read

  • 1)

    What is the heat in joules required to raise the temperature of 25 grams of water from 0ºC to 100ºC? What is the heat in Calories?
    (Specific heat of water = 4.18 J/gºC)

  • 2)

    How much heat energy is required to change 2 kg of ice at 0ºC into water at 20ºC? (Specific latent heat of fusion of water = 3,34,000J/kg, Specific heat capacity of water = 4200JKg-1K-1).

  • 3)

    Heat gained by a body depends upon which factors?

  • 4)

    What do you mean by thermal equilibrium?

  • 5)

    Define latent heat of fusion?

9th Science - Term 2 - Electric Charge and Electric Current Two Marks Questions - by Question Bank Software View & Read

  • 1)

    On what factors does the electrostatic force between two charges depend?

  • 2)

    What are electric lines of force?

  • 3)

    Define electric field.

  • 4)

    Define electric current and give its unit.

  • 5)

    A bird sitting on a high power electric line is still safe. How?

9th Science - Living World of Plants - Plant Physiology Two Marks Questions - by Question Bank Software View & Read

  • 1)

    Give an example for a plant whose leaf shows a mesmerizing movement.

  • 2)

    Write the scientific terms used to represent the following:
    a) Growing of roots towards the gravity.
    b) Bending of roots towards the water.

  • 3)

    Give the technical terms for the following:
    a) Growth dependent movement in plants.
    b) Growth independent movement in plants.

  • 4)

    Study the pictures below and then complete the table by putting a plus (+) if the shoot or root grows towards the stimulus and a minus (-) if it grows away from it.

    Stimulus Light Gravity
    Shoot + -
    Root ? +

  • 5)

    Name the movement seen in Pneumatophores of Avicennia

9th Science - Health and Hygiene - Food for living Two Marks Questions - by Question Bank Software View & Read

  • 1)

    Differentiate: Macronutrients from micronutrients.

  • 2)

    What is an adulterant?

  • 3)

    The doctor advices an adolescent girl who is suffering from anaemia to include more of leafy vegetables and dates in her diet. Why so?

  • 4)

    What are the symptoms or Dermatitis?

  • 5)

    Mention the fat soluble vitamins.

9th Science - Term 1 Model Question Paper - by Preetha - Cuddalore View & Read

  • 1)

    1 metric ton is equal to

  • 2)

    Slope of the velocity - time graph gives

  • 3)

    The field of view is maximum for ________ 

  • 4)

    When we mix a drop of ink in water we get a__________

  • 5)

    The correct electronic configuration of potassium is

9th Standard Science - Atomic Structure Two Marks Question - by Question Bank Software View & Read

  • 1)

    Name an element which has the same number of electrons in its first and second shell

  • 2)

    Write the electronic configuration of K and Cl

  • 3)

    Copy the following and write the names of the laws and their simple definitions in the space provided.

  • 4)

    What is combination reaction ?

  • 5)

    What are the limitations of Rutherford's model?

9th Science - Matter around us Two Marks Question - by Question Bank Software View & Read

  • 1)

    How gaseous pressure arises?

  • 2)

    Define Sublimation.

  • 3)

    A few drops of ‘Dettol’ when added to water the mixture turns turbid. Why?

  • 4)

    Name the method you would adopt to separate a mixture of ammonium chloride and common salt.

  • 5)

    You have just won a medal made of 22-carat gold. Have you just procured a pure substance or impure substance?

9th Science - Light Two Marks Question - by Question Bank Software View & Read

  • 1)

    Give two examples of transparent medium that are denser than air

  • 2)

    According to cartesion sign convention, which mirror and which lens has negative focal length?

  • 3)

    Copy this figure in your answer book and show the direction of the light ray after reflection

  • 4)

    When a ray of light passes from air into glass, is the angle of refraction greater than or less than the angle of incidence?

  • 5)

    What do you conclude about the speed of light in diamond if you are told that the refractive index of diamond is 2.41?

9th Science - Motion Two Marks Question - by Question Bank Software View & Read

  • 1)

    A cyclist turning a corner leans inwards. Why?

  • 2)

    Define the terms rest and motion.

  • 3)

    What are the different types of motion?

  • 4)

    Define distance.

  • 5)

    Define displacement.

9th Science - Measurement and Measuring Instruments Two Marks Questions - by Question Bank Software View & Read

  • 1)

    Define measurement

  • 2)

    Define least count of any device.

  • 3)

    What do you know about pitch of screw gauge?

  • 4)

    Can you find the diameter of a thin wire of length 2 m using the ruler from your instrument box?

  • 5)

    Convert: 300 K into Celsius scale,

9th Science - Term 1 Five Mark Model Question Paper - by Question Bank Software View & Read

  • 1)

    Explain a method to find the thickness of a hollow tea cup.

  • 2)

    Calculate the diameter of the sphere which is shown in the Figure. Assume the scale has no zero error.

     

  • 3)

    Find the size, nature and position of image formed when an object of size 1 cm is placed at a distance of 15 cm from a concave mirror of focal length 10 cm.

  • 4)

    State and verify laws of refraction using a glass slab.

9th Science - Hardware and Software Book Back Questions - by Question Bank Software View & Read

  • 1)

    Find out the part that is not found in CPU?

  • 2)

    LINUX is a

  • 3)

    Find out the Paid and Proprietary software from the given list

  • 4)

    _________is an Operating System.

  • 5)

    MAC OS

9th Science -World of Microbes Book Back Questions - by Question Bank Software View & Read

  • 1)

    Mycology is the branch of biology that deals with the study of

  • 2)

    Bacteria involved in curd formation is

  • 3)

    Syphilis is caused by

  • 4)

    Which one of the following is a pair of viral disease?

  • 5)

    First antibiotic ______________ was developed by ______________.

9th Science - Economic Biology Book Back Questions - by Question Bank Software View & Read

  • 1)

    The production and management of fish is called

  • 2)

    Which one of the following is not an Indian major carp?

  • 3)

    Which one of the following is refered as red worms?

  • 4)

    __________ is the method of growing plants without soil.

  • 5)

    _________ is a nodulating type of micro organism associating symbiotically with the root of legume plants.

9th Science - Environmental Science Book Back Questions - by Question Bank Software View & Read

  • 1)

    All the factors of biosphere which affect the ability of organisms to survive and reproduce are called as _______________.

  • 2)

    Increased amount of ___________ in the atmosphere, results in greenhouse effect and global warming

  • 3)

    In some xerophytes, leaves are modified into spines as an adaptation ________________.

  • 4)

    Specific constituents such as nitrogen, phosphorus, suspended solids and heavy metals found in the wastewater are removed during ___________ treatment of water recycling process.

  • 5)

    Nitrogen is a greenhouse gas

9th Science - Applied Chemistry Book Back Questions - by Question Bank Software View & Read

  • 1)

    Which of the following does not contain natural dyes?

  • 2)

    The groups responsible for the colour of an organic compound is called

  • 3)

    Chlorinated hydrocarbons are used as

  • 4)

    ____________ is an electrochemical cell which converts electrical energy into chemical change(Reaction).

  • 5)

    Aspirin is an _____________

9th Standard Science - Carbon and its Compounds Book Back Questions - by Question Bank Software View & Read

  • 1)

    A phenomenon in which an element exists in different modification in same physical state is called

  • 2)

    The carbon atoms in fullerene are arranged in mixed

  • 3)

    Raagav brings his lunch every day to school in a plastic container which has resin code number 5. The container is made of

  • 4)

    Which of the following plastic items are banned by the Government of Tamil Nadu as of 1st January 2019?

  • 5)

    Graphite is used as lubricant in machines because

9th Standard Science - Universe Book Back Questions - by Question Bank Software View & Read

  • 1)

    Who proposed the heliocentric model of the universe?

  • 2)

    The period of revolution of planet A around the Sun is 8 times that of planet B. How many times is the distance of planet A as great as that of planet B?

  • 3)

    The Big Bang occurred ________ years ago.

  • 4)

    The speed of Sun in km/s is _______.

  • 5)

    India’s first satellite is _______.

9th Standard Science - Sound Book Back Questions - by Question Bank Software View & Read

  • 1)

    Which of the following vibrates when a musical note is produced by the cymbals in a orchestra?

  • 2)

    Which of the following statement best describes frequency?

  • 3)

    In the sound wave produced by a vibrating turning fork as shown in the diagram, half the wave length is represented by:

  • 4)

    When the pitch of note by a harmonium is lowered, then the wave length of the note

  • 5)

    The velocities of sound waves in four media P, O, Q, R and S are 18,00 km/h, 900 km/h, 0 km/h, and 1200 km/h respectively. Which could be a liquid medium?

9th Standard Science - Fluids Book Back Questions - by Question Bank Software View & Read

  • 1)

    Clouds float in atmosphere because of their low

  • 2)

    In a fluid, buoyant force exists because pressure at the ____________ of an object is greater than the pressure at the top.

  • 3)

    The instrument used to measure atmospheric pressure is _____________.

  • 4)

    A drinking straw works on the existence of _________.

  • 5)

    The weight of fluid displaced determines the buoyant force on an object.

9th Standard Science - Parts of Computer Book Back Questions - by Question Bank Software View & Read

  • 1)

    Which one of the following is an output device?

  • 2)

    Name the cable that connects CPU to the monitor.

  • 3)

    Which one of the following is an example for wireless connections?

  • 4)

    Pen drive is _______device.

  • 5)

    VGA

9th Standard Science - Organ Systems in Animals Book Back Questions - by Question Bank Software View & Read

  • 1)

    Which of the following is not a salivary gland?

  • 2)

    The structural and functional unit of the kidney is__________

  • 3)

    The common passage meant for transporting urine and sperms in male is___________

  • 4)

    Which of the following is not a part of female reproductive system?

  • 5)

    The opening of the stomach into the intestine is called_________.

9th Standard Science - Organization of Tissues Book Back Questions - by Question Bank Software View & Read

  • 1)

    A meristematic tissue consists of

  • 2)

    Which of the following is a complex tissue?

  • 3)

    Unstriated muscles are found in

  • 4)

    Smooth muscles occur in

  • 5)

    The___________ tissues are made up of more than one type of cells and these wok together as a unit

9th Science - Acids, Bases and Salts Book Back Questions - by Question Bank Software View & Read

  • 1)

    Zn + 2HCl \(\longrightarrow \) ZnCl2 + ____\(​​​​\uparrow \)(H2' O2' CO2)

  • 2)

    Apple contains malic acid. Orange contains_______

  • 3)

    pH value of human blood is_________

  • 4)

    The nature of the tooth paste commonly used is in nature

  • 5)

    You are given pure water to test the pH value using pH paper. It shows colour

9th Science - Chemical Bonding Book Back Questions - by Question Bank Software View & Read

  • 1)

    Number of valence electrons in carbon is

  • 2)

    ____________compounds have high melting and boiling points.

  • 3)

    Oxidising agents are also called as____________because they remove electrons form other substances.

  • 4)

    Elements with stable electronic configurations have eight electrons in their valence shell. They are__________

  • 5)

    The property which is characteristics of an Ionic compound is that

9th Science - Periodic classification of elements Book Back Questions - by Question Bank Software View & Read

  • 1)

    If Dobereiner is related with 'law of triads', then Newlands is related with __________.

  • 2)

    Modern periodic law states that the physical and chemical properties of elements are the periodic functions of their__________

  • 3)

    Elements in the modern periodic table are arranged in__________ groups and __________ periods.

  • 4)

    The increasing order of the energy of subshells is

  • 5)

    If the electronic configuration of an element is 1s2 2s2p6 3s2 3p1, then it will occupy___________ block of the periodic table.

9th Science - Magnetism and Electromagnetism Book Back Questions - by Question Bank Software View & Read

  • 1)

    Which of the following converts electrical energy into mechanical energy?

  • 2)

    An electric generator converts

  • 3)

    The unit of magnetic flux density is

  • 4)

    No force acts in a current carrying conductor when it is __________ the magnetic field.

  • 5)

    Devices which is used to convert high alternating current to low alternating current __________.

9th Science - Electric Charge and Electric Current Book Back Questions - by Question Bank Software View & Read

  • 1)

    In current electricity, a positive charge refers to,

  • 2)

    Electroplating is an example for

  • 3)

    Resistance of a wire depends on

  • 4)

    In India the frequency of alternating current is

  • 5)

    Electrons move from__________ potential to __________ potential

9th Science Unit 10 Heat Book Back Questions - by Question Bank Software View & Read

  • 1)

    Calorie is the unit of

  • 2)

    In which mode of transfer of heat, molecules pass on heat energy to neighbouring molecules without actually moving from their positions?

  • 3)

    A device in which the loss of heat due to conduction, convection and radiation is minimized in

  • 4)

    The fastest mode of heat transfer is ___________.

  • 5)

    During day time, air blows from________________to_____________

9th Science Unit 9 Computer – An Introduction Book Back Questions - by Question Bank Software View & Read

  • 1)

    ____________ is an electronic device which stores data and information

  • 2)

    _________ belongs to the generation IV of the computer

  • 3)

    Data processing involves________ steps

  • 4)

    1. Abacus belongs to the first generation of the computer
    2. ENIAC was used in the American military

  • 5)

    III generation computer

9th Science Unit 8 Health and Hygiene - Food for Living Book Back Questions - by Question Bank Software View & Read

  • 1)

    The nutrient required in trace amounts to accomplish various body functions is ____________.

  • 2)

    The sprouting of onion and potatoes can be delayed by the process of _______________

  • 3)

    Deficiency diseases can be prevented by taking _______________ diet.

  • 4)

    The process of affecting the natural composition and the quality of food substance is known as _______________

  • 5)

    Do not purchase food beyond the date of _______________

9th Standard Science - Living World of Animals - Diversity in Living Organism - Kingdom Animalia Book Back Questions - by Question Bank Software View & Read

  • 1)

    Which is not an insect?

  • 2)

    Mesoglea is present in

  • 3)

    Which is not a feature of chordates

  • 4)

    Hermaphrodite organisms are

  • 5)

    Poikilothermic organisms are

9th Standard Science Unit 6 Living World of Plants - Plant Physiology Book Back Questions - by Question Bank Software View & Read

  • 1)

    A big tree falls in a forest but its roots are still in contact with the soil. The branches of this fallen tree straight up. This happens in response to __________

  • 2)

    The tropic movement that helps the climbing vines to find a suitable support is ________. 

  • 3)

    The chemical reaction occurs during photosynthesis is ________. 

  • 4)

    The plant part which exhibits negative geotropism is __________.

  • 5)

    The non-directional movement of a plant part in response to temperature is called ________.

9th Standard Science - Atomic Structure Book Back Questions - by Question Bank Software View & Read

  • 1)

    Among the following the odd pair is

  • 2)

    Change in the number of neutrons in an atom changes it to

  • 3)

    The number of protons, neutrons and electrons present respectively in \(_{ 35 }^{ 80 }{ Br }\)

  • 4)

    Calcium and Argon are examples of a pair of __________

  • 5)

    _________ isotope is used in the nuclear reactors.

9th Standard Science - Light Book Back Questions - by Question Bank Software View & Read

  • 1)

    The focal length of a concave mirror is 5cm. Its radius of curvature is

  • 2)

    The speed of light is maximum in

  • 3)

    Which of the following statements about total internal reflection is true?

  • 4)

    A spherical mirror whose reflecting surface is curved outwards is called ___________ mirror

  • 5)

    All distances parallel to the principal axis are measured from the ____________ of the mirror

9th Standard Science - Matter around us Book Back Questions - by Question Bank Software View & Read

  • 1)

    The physical state of water at 373 K is

  • 2)

    When we mix a drop of ink in water we get a__________

  • 3)

    Filtration method is effective in separating _______ mixture

  • 4)

    1500C = __________ K

  • 5)

    An example of a substance that sublimes is ________.

9th Standard Science Unit 2 Motion Book Back Questions - by Question Bank Software View & Read

  • 1)

    Slope of the velocity - time graph gives

  • 2)

    A car is being driven at a speed of 20 ms-1 when brakes are applied to bring it to rest in 5 s. The decelaration produced in this case will be

  • 3)

    Which one of the following is most likely not a case of uniform circular motion?

  • 4)

    The force responsible for drying of clothes in a washing machine is

  • 5)

    Speed is a ____________ quantity whereas velocity is a ____________ quantity

9th Standard Science Unit 1 Measurement and Measuring Instruments Book Back Questions - by Question Bank Software View & Read

  • 1)

    Rulers, measuring tapes and metre scales are used to measure

  • 2)

    1 metric ton is equal to

  • 3)

    Distance between Chennai and Kanyakumari can be found in

  • 4)

    Which among the following is not a device to measure mass?

  • 5)

    Thickness of a cricket ball is measured by _______

9th Standard Science - Computer – An Introduction One Mark Question with Answer Key - by Question Bank Software View & Read

  • 1)

    ____________ is an electronic device which stores data and information

  • 2)

    _________ belongs to the generation IV of the computer

  • 3)

    Data processing involves________ steps

  • 4)

    1. Abacus belongs to the first generation of the computer
    2. ENIAC was used in the American military

  • 5)

    III generation computer

9th Standard Science - Health and Hygiene - Food for living One Mark Question and Answer - by Question Bank Software View & Read

  • 1)

    The nutrient required in trace amounts to accomplish various body functions is ____________.

  • 2)

    The physician who discovered that scurvy can be cured by ingestion of citrus fruits is  ______________

  • 3)

    The sprouting of onion and potatoes can be delayed by the process of _______________

  • 4)

    Reproductive abnormalities are due to the deficiency of vitamin _______

  • 5)

    The temperature required for deep freezing is ______

9th Science - Living World of Animals - Diversity in Living Organism - Kingdom Animalia One Mark Question and Answer - by Question Bank Software View & Read

  • 1)

    Which is not an insect?

  • 2)

    Mesoglea is present in

  • 3)

    Identify the single celled organism.

  • 4)

    How many organisms given below show radial symmetry? Earthworms, grasshopper, rotifers, jelly fish and star fish__________.

  • 5)

    Consider the following four statements whether they are correct or wrong for the classification of animal kingdom.

9th Standard Chapter 4 Matter Around Us - One Mark Question and Answer - by Question Bank Software View & Read

  • 1)

    The physical state of water at 373 K is

  • 2)

    When we mix a drop of ink in water we get a__________

  • 3)

    ______ is essential to perform separation by solvent extraction method.

  • 4)

    Gas particles can be forced to get closer and can be easily compressed. So _______ increases.

  • 5)

    Light, sound, heat, etc., are not matter. They are different forms of

9th Standard Chapter 5 Atomic Structure One Mark Question and Answer - by Question Bank Software View & Read

  • 1)

    Among the following the odd pair is

  • 2)

    The term nucleons refer to

  • 3)

    The correct electronic configuration of potassium is

  • 4)

    Law of multiple proportions was proposed by _________

  • 5)

    2H2 + O2 \(\longrightarrow \)2H2O. This is a___________ reaction.

9th Science Chapter 6 Living World of Plants - Plant Physiology One Mark Question with Answer - by Question Bank Software View & Read

  • 1)

    A big tree falls in a forest but its roots are still in contact with the soil. The branches of this fallen tree straight up. This happens in response to __________

  • 2)

    The bending of root of a plant in response to water is called _________ 

  • 3)

    Desmodium gyrans is commonly known as_______________.

  • 4)

    Mimosa pudica is also known as__________________.

  • 5)

    The tip of the shoot is known as_______________.

9th Science Chapter 3 Light - One Mark Question Paper with Answer Key - by Question Bank Software View & Read

  • 1)

    The field of view is maximum for ________ 

  • 2)

    A ray of light passes from one medium to another medium. Refraction takes place when angle of incidence is

  • 3)

    _________ is used as reflectors in torchlight.

  • 4)

    The focal length of a concave mirror is 5cm. Its radius of curvature is

  • 5)

    When a beam of white light passes through a prism it gets

9th Science Chapter 2 Motion One Mark Question Paper - by Question Bank Software View & Read

  • 1)

    Slope of the velocity - time graph gives

  • 2)

    The area under velocity – time graph represents the

  • 3)

    A car is being driven at a speed of 20 ms-1 when brakes are applied to bring it to rest in 5 s. The decelaration produced in this case will be

  • 4)

    Unit of acceleration is

  • 5)

    Which one of the following is most likely not a case of uniform circular motion?

9th Science Measurement and Measuring Instruments One Mark Question Paper - by Question Bank Software View & Read

  • 1)

    Choose the correct one

  • 2)

    Rulers, measuring tapes and metre scales are used to measure

  • 3)

    1 metric ton is equal to

  • 4)

    Distance between Chennai and Kanyakumari can be found in

  • 5)

    Which among the following is not a device to measure mass?

9th Science Heat Model Question Paper - by Question Bank Software View & Read

  • 1)

    Calorie is the unit of

  • 2)

    Two cylinders of equal height and radius are made of copper and aluminium. Which of them conducts heat faster?

  • 3)

    In which mode of transfer of heat, molecules pass on heat energy to neighbouring molecules without actually moving from their positions?

  • 4)

    The temperature at which a liquid gets converted into its vapour state is called its________

  • 5)

    Which one of the following scales has lower fixed point at 0°C?

9th Standard Science Term 1 Model Question Paper - by Question Bank Software View & Read

  • 1)

    1 metric ton is equal to

  • 2)

    Slope of the velocity - time graph gives

  • 3)

    A ray of light passes from one medium to another medium. Refraction takes place when angle of incidence is

  • 4)

    Among the following______is a mixture

  • 5)

    Mesoglea is present in

9th Standard Science Term 1 Model Question Paper - by Question Bank Software View & Read

  • 1)

    Choose the correct one

  • 2)

    Which of the following graph represents uniform motion of a moving particle?

  • 3)

    A ray of light passes from one medium to another medium. Refraction takes place when angle of incidence is

  • 4)

    Among the following______is a mixture

  • 5)

    Dysentery is caused by

9th Standard Science Term 1 Five Marks Model Question Paper - by Question Bank Software View & Read

  • 1)

    Find the mass of an object weighing 98 N.

  • 2)

    During an experiment, a signal from a spaceship reached the ground station in five seconds. What was the distance of the spaceship from the ground station? The signal travels at the speed of light that is 3 × 108 ms-1?

  • 3)

    Find the size, nature and position of image formed when an object of size 1 cm is placed at a distance of 15 cm from a concave mirror of focal length 10 cm.

  • 4)

    The radius of curvature of a convex mirror is 40 cm. Find its focal length  

9th Standard Science Term 1 Two Marks Model Question Paper - by Question Bank Software View & Read

  • 1)

    Differentiate phototropism from photonasty.

  • 2)

    Define transpiration.

  • 3)

    Define photosynthesis.

  • 4)

    Draw the diagram of open stoma and label the parts.

  • 5)

    In the given photosynthetic experiment, what will happen to the leaf closed with black paper in starch test? Why?

9th Standard Science Term 1 Model One Marks Question Paper - by Question Bank Software View & Read

  • 1)

    Choose the correct one

  • 2)

    Distance between Chennai and Kanyakumari can be found in

  • 3)

    Slope of the velocity - time graph gives

  • 4)

    Unit of acceleration is

  • 5)

    The field of view is maximum for ________ 

9th Standard Science Chapter 9 Computer – An Introduction Model Question Paper - by Question Bank Software View & Read

  • 1)

    ____________ is an electronic device which stores data and information

  • 2)

    Data processing involves________ steps

  • 3)

    1. Abacus belongs to the first generation of the computer
    2. ENIAC was used in the American military

  • 4)

    Write a note on ENIAC.

  • 5)

    Who was the first programmer?

9th Standard Science Chapter 8 Health and Hygiene - Food for living Model Question Paper - by Question Bank Software View & Read

  • 1)

    The nutrient required in trace amounts to accomplish various body functions is ____________.

  • 2)

    The sprouting of onion and potatoes can be delayed by the process of _______________

  • 3)

    An internal factor responsible for spoilage of food is ___________.

  • 4)

    October _____ is declared as Global Iodine deficiency day.

  • 5)

    Identify the trace element

9th Standard Science Chapter 7 Living World of Animals - Diversity in Living Organism - Kingdom Animalia Model Question Paper - by Question Bank Software View & Read

  • 1)

    Which is not an insect?

  • 2)

    Identify the animal having four chambered heart

  • 3)

    The bilaterally symmetrical larvae which transform into radially symmetrical adult is

  • 4)

    Choose the correct terms related for Hemichordate

  • 5)

    Crop, gizzard and air sacs are seen in

9th Standard Science Chapter 6 Living World of Plants - Plant Physiology Model Question Paper - by Question Bank Software View & Read

  • 1)

    A big tree falls in a forest but its roots are still in contact with the soil. The branches of this fallen tree straight up. This happens in response to __________

  • 2)

    The chemical reaction occurs during photosynthesis is ________. 

  • 3)

    The bending of root of a plant in response to water is called _________ 

  • 4)

    The root of the plant is __________.
    i) positively phototropic but negatively geotropic
    ii) positively geotropic but negatively phototropic
    iii) negatively phototropic but positively hydrotropic
    iv)negatively hydrotropic but positively phototropic

  • 5)

    Dandelion flowers open the petals in bright light during the day time but close the petals in dark at night. This response of Dandelion flowers is called ___________.

9th Standard Science Chapter 5 Atomic Structure Important Question Paper - by Question Bank Software View & Read

  • 1)

    Among the following the odd pair is

  • 2)

    The term nucleons refer to

  • 3)

    The correct electronic configuration of potassium is

  • 4)

    Law of multiple proportions was proposed by _________

  • 5)

    An alpha particle is identical with a ___________Nucleus.

9th Standard Science Chapter 4 Matter Around Us Important Question Paper - by Question Bank Software View & Read

  • 1)

    The physical state of water at 373 K is

  • 2)

    When we mix a drop of ink in water we get a__________

  • 3)

    __________ has the same properties throughout the sample

  • 4)

    The separation of denser particles from lighter particles done by rotation at high speed is called ________

  • 5)

    For a simple distillation process we need to have

9th Standard Science Chapter 3 Light Important Question Paper - by Question Bank Software View & Read

  • 1)

    The field of view is maximum for ________ 

  • 2)

    _________ is used as reflectors in torchlight.

  • 3)

    When a beam of white light passes through a prism it gets

  • 4)

    A real and enlarged image can be obtained by using a

  • 5)

    Mirrors having spherical surface of reflection are __________________

9th Standard Science Chapter 2 Motion Important Question Paper - by Question Bank Software View & Read

  • 1)

    Slope of the velocity - time graph gives

  • 2)

    Unit of acceleration is

  • 3)

    The force responsible for drying of clothes in a washing machine is

  • 4)

    In a 100 m race, the winner takes 10 s to reach the finishing point. The average speed of the winner is ___________ ms-1.

  • 5)

    Speed is never ______

9th Stateboard Science Important Question Paper - by Question Bank Software View & Read

  • 1)

    Choose the correct one

  • 2)

    Rulers, measuring tapes and metre scales are used to measure

  • 3)

    Density is_________.

  • 4)

    Unit of acceleration is________.

  • 5)

    Light year is the distance travelled by light in ________.

9th Standard Science Measurement and Measuring Instruments Important Questions - by Saranya View & Read

  • 1)

    Rulers, measuring tapes and metre scales are used to measure

  • 2)

    Which among the following is not a device to measure mass?

  • 3)

    ___________is the derived quantity.

  • 4)

    Unit of time is_________.

  • 5)

    There are___________fundamental units in SI system of units.

9th Standard science Model Question Paper Term 3 - by Saranya View & Read

  • 1)

    In a pressure cooker, the food is cooked faster because

  • 2)

    If the speed of a wave is 340 m s-1 and its frequency is 1700 Hz, then wavelength λ for this wave in cm will be

  • 3)

    Which of the following statements is correct?
    A. There are eight planets in our Solar System.
    B. Except Mars, all other planets revolve around the Sun in elliptical orbits

  • 4)

    Plastics made of Polycarbonate (PC) and Acrylonitrile Butadiene Styrene (ABS) are made of resin code ___________

  • 5)

    The lead pencil contains

9th Standard Science Revision Test Question Paper Free Download 2019 - by Saranya View & Read

  • 1)

    The size of an air bubble rising up in water

  • 2)

    Sound travels in air:

  • 3)

    Ceres is a _______.

  • 4)

    Which of the following plastic items are banned by the Government of Tamil Nadu as of 1st January 2019?

  • 5)

    The lead pencil contains

9th Standard Science World of Microbes unit Important Questions and Answers - by Saranya View & Read

  • 1)

    Mycology is the branch of biology that deals with the study of

  • 2)

    The major constituent of vinegar is

  • 3)

    Bacteria involved in curd formation is

  • 4)

    Which of the following is transmitted through air?

  • 5)

    Syphilis is caused by

9th Standard Science Economics Chapter Important Questions - by Saranya View & Read

  • 1)

    The production and management of fish is called

  • 2)

    Which one of the following is not an exotic breed of cow?

  • 3)

    Which one of the following is an Italian species of honey bee?

  • 4)

    Which one of the following is not an Indian major carp?

  • 5)

    Drones in the honey bee colony are formed from

9th Standard Science Environmental Science Chapter Important Short Questions and Answers - by Saranya View & Read

  • 1)

    What are the two factors of biosphere?

  • 2)

    According to you, which process of water cycle is adversely affected by human activities?

  • 3)

    How do human activities affect nitrogen cycle?

  • 4)

    What is adaptation?

  • 5)

    What are the challenges faced by hydrophytes in their habitat?

9th Standard Science Term 3 Applied Chemistry Important Questions and Answers - by Saranya View & Read

  • 1)

    One Nanometre is

  • 2)

    The antibiotic Penicillin is obtained from ___________ 

  • 3)

    1% solution of Iodoform is used as

  • 4)

    The cathode of an electrochemical reaction involves ____________

  • 5)

    The age of a dead animal can be determined by using an isotope of ____________

9th Standard Science Carbon and its Compounds Chapter Important Question and Answers - by Saranya View & Read

  • 1)

    Differentiate graphite and diamond.

  • 2)

    What are saturated and unsaturated compounds called?

  • 3)

    Carbon do not form ionic compounds. Why?

  • 4)

    What is the valency of carbon in carbon monoxide?

  • 5)

    Why are one-time use and throwaway plastics harmful?

9th Standard Science Sound and Universe Important questions and answers - by Saranya View & Read

  • 1)

    Which of the following vibrates when a musical note is produced by the cymbals in a orchestra?

  • 2)

    Sound travels in air:

  • 3)

    A musical instrument is producing continuous note. This note cannot be heard by a person having a normal hearing range. This note must then be passing through

  • 4)

    If the speed of a wave is 340 m s-1 and its frequency is 1700 Hz, then wavelength λ for this wave in cm will be

  • 5)

    Which of the following statement best describes frequency?

9th Standard Science Term 3 Fluids Chapter Important Questions and Answers - by Saranya View & Read

  • 1)

    In a fluid, buoyant force exists because pressure at the ____________ of an object is greater than the pressure at the top.

  • 2)

    The weight of the body immersed in a liquid appears to be_____________ than its actual weight.

  • 3)

    The instrument used to measure atmospheric pressure is _____________.

  • 4)

    The magnitude of buoyant force acting on an object immersed in a liquid depends on ___________of the liquid.

  • 5)

    A drinking straw works on the existence of _________.

9th Standard Science Revision Test Important One Mark Questions and Answers - by Saranya View & Read

  • 1)

    Clouds float in atmosphere because of their low

  • 2)

    In a pressure cooker, the food is cooked faster because

  • 3)

    Which of the following vibrates when a musical note is produced by the cymbals in a orchestra?

  • 4)

    If the speed of a wave is 340 m s-1 and its frequency is 1700 Hz, then wavelength λ for this wave in cm will be

  • 5)

    The maximum speed of vibrations which produces audible sound will be in

9th Standard Science Half Yearly Test Paper - by Saranya View & Read

  • 1)

    Clouds float in atmosphere because of their low

  • 2)

    In the sound wave produced by a vibrating turning fork as shown in the diagram, half the wave length is represented by:

  • 3)

    The Big Bang occurred ________ years ago.

  • 4)

    Carbon forms large number of organic compounds due to

  • 5)

    Plastic resin codes are shown as three chasing arrows in a ______________ with a number in the middle or letters (an acronym of that plastic type).

Class 9 science Term 3 Model Question - by Saranya View & Read

  • 1)

    An empty plastic bottle closed with an airtight stopper is pushed down into a bucket filled with water. As the bottle is pushed down, there is an increasing force on the bottom as shown in graph. This is because

  • 2)

    Which of the following can produce longitudinal waves as well as transverse waves under different conditions?

  • 3)

    Which of the following statements is correct?
    A. There are eight planets in our Solar System.
    B. Except Mars, all other planets revolve around the Sun in elliptical orbits

  • 4)

    Which of the following does not contain double bond

  • 5)

    Which of the following plastic items are banned by the Government of Tamil Nadu as of 1st January 2019?

9th Standard Science Model Question - by Saranya View & Read

  • 1)

    Clouds float in atmosphere because of their low

  • 2)

    The speeds of sound in four different media are given below. Which of the following is the most likely speed in ms-1 with which the two underwater whales in a sea can talk to each other when separated by a large distance?

  • 3)

    Ceres is a _______.

  • 4)

    A phenomenon in which an element exists in different modification in same physical state is called

  • 5)

    Diamond is not a good conductor of electricity because

9th Science Second Summative exam 2018 question paper - by Saranya View & Read

  • 1)

    SI unit of temperature is

  • 2)

    Electroplating is an example for

  • 3)

    Bond formed between a metal and non-metal atom is usually____________

  • 4)

    Since metal carbonate and metal bicarbonate are basic they react with acids to give salt and water with the liberation of__________

  • 5)

    The tissue composed of living thin walled polyhedral cell is

9th Science Term 2 Model Exam 2018 exam Question paper - by Saranya View & Read

  • 1)

    The specific heat capacity of water is

  • 2)

    Electric field lines________ from positive charge and__________ in negative charge.

  • 3)

    Number of valence electrons in carbon is

  • 4)

    The hydrated salt of copper sulphate has______colour

  • 5)

    Unstriated muscles are found in

9th Science Second Revision Question Paper - by Saranya View & Read

  • 1)

    ____________is the fundamental quantity.

  • 2)

    Force involved in uniform circular motion is given by _____________.

  • 3)

    The focal length of a concave mirror is 5cm. Its radius of curvature is

  • 4)

    For a simple distillation process we need to have

  • 5)

    The number of protons, neutrons and electrons present respectively in \(_{ 35 }^{ 80 }{ Br }\)

9th Science Slip Test - by Saranya View & Read

  • 1)

    ____________is the fundamental quantity.

  • 2)

    Newton, henry, ampere and watt are__________named after scientist.

  • 3)

    The area under velocity – time graph represents the

  • 4)

    Unit of acceleration is

  • 5)

    _________ is used as reflectors in torchlight.

9th Science First Revision Question Paper - by Saranya View & Read

  • 1)

    Density is_________.

  • 2)

    1 quintal is equal to_______kg.

  • 3)

    A body moving with an initial velocity 5ms-1 and accelerates at 2ms-2. Its velocity after 10s is

  • 4)

    The focal length of a concave mirror is 5cm. Its radius of curvature is

9th Science Important Two Mark Question Paper - by Saranya View & Read

  • 1)

    Convert: 104°F into Celsius scale.

  • 2)

    Complete the table:

    Power of 10 Prefix Symbol
    1012 ___(i)___ T
    ___(ii)___ Kilo K
    1015 Peta ___(iii)__
    109 ___(iv)__ ___(v)__
  • 3)

    Define the terms rest and motion.

  • 4)

    What is speed?

  • 5)

    Name the spherical mirror(s) that has/have 
    i) Virtual principal focus
    ii) Real principal focus

Animal Kingdom & Cells & Is Matter Around Us Pure Important Question On 9th Science - by Saranya View & Read

  • 1)

    Which among the following is not a device to measure mass?

  • 2)

    ____________is the fundamental quantity.

  • 3)

    Light year is the distance travelled by light in ________.

  • 4)

    Slope of the velocity - time graph gives

  • 5)

    The force responsible for drying of clothes in a washing machine is

9th Science Important One Mark Question Paper - by Saranya View & Read

  • 1)

    Choose the correct one

  • 2)

    Rulers, measuring tapes and metre scales are used to measure

  • 3)

    1 metric ton is equal to

  • 4)

    Distance between Chennai and Kanyakumari can be found in

  • 5)

    Which among the following is not a device to measure mass?

9th Science Model Question Paper 1 - by Saranya View & Read

  • 1)

    ____________ is an electronic device which stores data and information

  • 2)

    _________ belongs to the generation IV of the computer

  • 3)

    Data processing involves________ steps

  • 4)

    1. Abacus belongs to the first generation of the computer
    2. ENIAC was used in the American military

  • 5)

    Define computer.

9th Science Model Question Paper 2 - by Saranya View & Read

  • 1)

    The nutrient required in trace amounts to accomplish various body functions is ____________.

  • 2)

    The physician who discovered that scurvy can be cured by ingestion of citrus fruits is  ______________

  • 3)

    The sprouting of onion and potatoes can be delayed by the process of _______________

  • 4)

    Food and Adulteration Act was enforced by Government of India in the year __________.

  • 5)

    An internal factor responsible for spoilage of food is ___________.

9th Science Model Question Paper 3 - by Saranya View & Read

  • 1)

    Which is not an insect?

  • 2)

    Find the group having only marine members

  • 3)

    Mesoglea is present in

  • 4)

    Dysentery is caused by

  • 5)

    Which one of the following pairs is not a poikilothermic animal?

Plant Physiology Important Question Paper In 9th Science - by Saranya View & Read

  • 1)

    The tropic movement that helps the climbing vines to find a suitable support is ________. 

  • 2)

    The chemical reaction occurs during photosynthesis is ________. 

  • 3)

    Transpiration is best defined as _________ 

  • 4)

    The non-directional movement of a plant part in response to temperature is called ________.

  • 5)

    Chlorophyll in a leaf is required for __________.

Matter Around Us Important Question Paper In 9th Science - by Saranya View & Read

  • 1)

    The physical state of water at 373 K is

  • 2)

    Among the following______is a mixture

  • 3)

    When we mix a drop of ink in water we get a__________

  • 4)

    The constituents that form a mixture are also called

  • 5)

    __________ has the same properties throughout the sample

Atomic Structure Important Question Paper In 9th Science - by Saranya View & Read

  • 1)

    Among the following the odd pair is

  • 2)

    Change in the number of neutrons in an atom changes it to

  • 3)

    The term nucleons refer to

  • 4)

    The number of protons, neutrons and electrons present respectively in \(_{ 35 }^{ 80 }{ Br }\)

  • 5)

    The correct electronic configuration of potassium is

Light Important Question Paper In 9th Science - by Saranya View & Read

  • 1)

    The field of view is maximum for ________ 

  • 2)

    A ray of light passes from one medium to another medium. Refraction takes place when angle of incidence is

  • 3)

    When the reflecting surface is curved outwards the mirror formed will be

  • 4)

    The focal length of a concave mirror is 5cm. Its radius of curvature is

  • 5)

    The speed of light is maximum in

9th Science Term I Model Question Paper - by Saranya View & Read

  • 1)

    Choose the correct one

  • 2)

    1 metric ton is equal to

  • 3)

    The force responsible for drying of clothes in a washing machine is

  • 4)

    Force involved in uniform circular motion is given by _____________.

  • 5)

    _________ is used as reflectors in torchlight.

9th Science Term I Important One Mark Question Paper - by Saranya View & Read

  • 1)

    Rulers, measuring tapes and metre scales are used to measure

  • 2)

    Which of the following graph represents uniform motion of a moving particle?

  • 3)

    The centrifugal force is

  • 4)

    The field of view is maximum for ________