### 9th Standard Science Study material & Free Online Practice Tests - View Model Question Papers with Solutions for Class 9 Session 2019 - 2020 TN Stateboard [ Chapter , Marks , Book Back, Creative & Term Based Questions Papers - Syllabus, Study Materials, MCQ's Practice Tests etc..]

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

• 1)

• 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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)

• 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 m s-1 with which the two under water 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - View & Read

• 1)

Stomach of man 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 Jai - Hosur - 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)

#### 9th Standard Science Acids, Bases and Salts English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 is

#### 9th Standard Science Computer - An Introduction English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 N20, N02, N204, N205 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 Jai - Hosur - View & Read

• 1)

Sodium having atomic number 11, 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 Jai - Hosur - 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 posses______energy.

#### 9th Standard Science Light English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 - by Jai - Hosur - 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 Jai - Hosur - 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 10s 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 Jai - Hosur - 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 Jai - Hosur - View & Read

• 1)

• 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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)

#### 9th Standard Science Universe English Medium Free Online Test 1 Mark Questions 2020-2021 - by Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - View & Read

• 1)

Zn + 2HCI $\longrightarrow$ ZnCl2 + ____$​​​​\uparrow$(H2' 02' 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 Jai - Hosur - 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 Jai - Hosur - 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 2S2 2p6 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 is

• 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 N20, N02, N204, N205 explains___________ law.

#### 9th Standard Science Matter around us English Medium Free Online Test 1 Mark Questions 2020-2021 - by Jai - Hosur - 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 Jai - Hosur - View & Read

• 1)

The field of view * is maximum for ________

• 2)

_________ is used as reflectors in torchligh

• 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 Jai - Hosur - 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

• 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - View & Read

• 1)

_________is not the unit of length.

• 2)

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

• 3)

The mirror that diverge the light rays is______________________

• 4)

Particles of matter are in constant motion as they posses______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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - View & Read

• 1)

The unit of area is_________

• 2)

The 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 torchligh

• 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - View & Read

• 1)

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

• 2)

The area under velocity – time graph represents

• 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - View & Read

• 1)

The measure the diameter of a thin wire_________is used.

• 2)

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

• 3)

The second law of refraction is stated by ____________________

• 4)

Filtration method is effective in separating _______ mixture

• 5)

#### 9th Standard Science English Medium Free Online Test 1 Mark Questions 2020 - 2021 Part - Seven - by Jai - Hosur - View & Read

• 1)

Unit of time is_________.

• 2)

When 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 Jai - Hosur - View & Read

• 1)

The area under velocity – time graph represents

• 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 Jai - Hosur - View & Read

• 1)

1 metric ton is equal to

• 2)

If velocity of a body decreases in equal intervals of time 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 Jai - Hosur - 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 Jai - Hosur - 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 top 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 Jai - Hosur - View & Read

• 1)

The 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 posses______energy.

• 4)

• 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 Jai - Hosur - 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 2second 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 Jai - Hosur - View & Read

• 1)

Choose the correct one

• 2)

Moment is equal to_________of an hour.

• 3)

In a 100 m 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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 Jai - Hosur - 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

• 5)

Force involved in uniform circular motion is given by _______________

#### 9th Standard Science Annual Exam Model Question Paper IV - 2019 - 2020 - by Jai - Hosur - 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 Jai - Hosur - 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 _______________________to 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 Jai - Hosur - View & Read

• 1)

There are___________fundamental units in SI system of units.

• 2)

In a 100 m race, the winner takes 10s 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 Jai - Hosur - 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 Jai - Hosur - 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 20m. 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)

Derive the three equations of motion by graphical method

• 5)

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 2 s. 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 Jai - Hosur - 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?

### TN Stateboard Education Study Materials

#### 9th Stateboard Science 2019 - 2020 Academic Monthly Syllabus - by Jai - Hosur Aug 13, 2019 Aug 13, 2019

Science 2019 - 2020 Academic Monthly Syllabus

### TN Stateboard Updated Class 9th Science Syllabus

#### Measurement and Measuring Instruments

Introduction-Physical Quantities and Units-SI System of Units-Fundamental Units of SI System-Unit Prefixes-Rules and Conventions for Writing SI Units and their Symbols-Vernier Caliper and Screw Gauge-Screw Gauge-Measuring Mass-Accuracy in Measurements

#### Motion

Introduction-State of Rest and Motion-Types of Motion-Distance and Displacement-Uniform and Non Uniform Motion-Speed, Velocity and Acceleration-Graphical Representation of Motion along a Straight Line-Equations of Motion-Centripetal Acceleration and Centripetal Force-Centrifugal Force-Summary

#### Light

Introduction-Reflection of Light-Curved Mirrors-Image Formed by Curved Mirrors-Real and Virtual Image-Concave Mirror-Convex Mirror-Speed of Light-Total Internal Reflection

#### Matter Around us

Introduction-Is Matter Particulate or Continuous?-Evidence for Existence of Particles?-Kinetic Particle Theory of Three States of Matter-Solid, Liquid and Gas-Solids-Liquids-Gases-Effect of Temperature on Movement of Particles-Changes in States of Matter and the Kinetic Particle Theory-Melting-Freezing-Boiling-Evaporation-Sublimation-Effect of Pressure on Gases-Classification of Matter Based on Composition-Element-Compound-Differences between Mixtures and Compounds-Types of Mixtures-Colloidal Solutions-Separation of Mixtures

#### Atomic Structure

Introduction-Laws of Chemical Combination-Law of Reciprocal Proportions-Discovery of Nucleus-Discovery of Neutrons-Isotopes (Iso – same, topo – place, Isotope – same place)

#### Living World of Plants-Plant Physiology

Introduction-Do they Move on their own Accord?-Do Plants Move?-Do Plants Actually Sense Light?-Types of Tropisms in Plants-More to Movement than Growth-What is Photosynthesis?-Food chain: the Link between Plants, Animals and Microorganisms-Respiration in plants

#### Living World of Animals-Diversity in Living Organism-Kingdom Animalia

Introduction-Classification of Living Organisms-Criteria for classification of Animal Kingdom-Phylum-Protozoa-Phylum-Porifera (Pore bearers)-Phylum-Coelenterata or Cnidaria-Phylum: Platyhelminthes-(Flat worms)-Phylum-Nematoda Aschelminthes (Round worms)-Phylum-Annelida-(Segmented Worms)-Phylum-Arthropoda-(Organisms with Jointed Legs)-Phylum Mollusca-(Soft Bodied Animals)-Phylum Echinodermata-(Spiny Skinned Animals)-Phylum Chordata-Division Vertebrata (Craniata)-Super Class Tetrapoda-Binomial Names of Common Animals

#### Health and Hygiene-Food for Living

Introduction-Classes of Nutrients-A Case Study-Protein Energy Malnutrition (PEM)-Minerals-Functions and Deficiency Diseases-Vitaminosis-Methods of Food Preservation-Adulteration

#### Computer - An Introduction

Computer-History of Computer-Generations of Computer-Data-Information

#### அளவீடுகளும், அளவிடும் கருவி்களும்

இயற்பியல் அளவுகள் மற்றும் அலகுகள்–SI அலகு முறை–SI முறையில் அடிப்படை அலகுகள்–அலகுகளுக்கான முன்னீடுகள்–SI அலகுகளை எழுத பின்பற்ற வேண்டிய விதிகளும், மரபுகள்–வெர்னியர் அளவு மற்றும் திருகு அளவி–திருகு அளவி–நிறையை அளவிடுதல்–அளவீடுகளில் துல்லியம்

#### இயக்கம்

அறிமுகம்–ஓய்வு மற்றும் இயக்க நிலை–இயக்கத்தின் பல்வேறு வகைகள்–தொலைவு மற்றும் இடப்பெயர்ச்சி–சீரான மற்றும் சீரற்ற இயக்கம்–வேகம்,திசைவேகம் மற்றும் முடுக்கம்–நேர்கோட்டு இயக்கத்தின் வரைபட விளக்கம்–இயக்கச் சமன்பாடுகள்–மையநோக்கு முடுக்கம் மற்றும் மையநோக்கு விசை–மையவிலக்கு விசை

#### ஒளி

அறிமுகம்–ஒளி எதிரொளிப்பு–வளைவு ஆடிகள்–வளைவு ஆடிகளால் ஏற்படும் பிம்பங்கள்–மெய் பிம்பமும் மாய பிம்பமும்–குழி ஆடி–குவி ஆடி–ஒளியின் திசைவேகம்–முழு அக எதிரொளிப்பு

#### நம்மைச் சுற்றியுள்ள  பருப்பொருட்கள்

அறிமுகம்–பருப்பொருட்கள் என்பது தனிப்பட்டதா அல்லது தொடர்ச்சியானதா?–துகள்கள் இருப்பதற்கான சான்றுகள்–மூன்று நிலைப் பருப்பொருட்களின்(திட,திரவ மற்றும் வாயு) இயக்கக் கொள்கை–திண்மம்–திரவங்கள்–வாயுக்கள்–துகள்கள் நகர்தலில் வெப்பநிலையின் விளைவு–பருப்பொருளின் நிலை மாற்றம் மற்றும் துகளின் இயக்கக் கொள்கை–உருகுதல்–உறைதல்–கொதித்தல்–ஆவியாதல்–பதங்கமாதல்–வாயுக்களின் மீது அழுதத்தின் விளைவு–இயைபு சார்ந்து பருப்பொருளின் வகைகள்–தனிமம்–சேர்மம்–கலவைகள் மற்றும் சேர்மங்களுக்கிடையேயான வேறுபாடுகள்–கலவையின் வகைகள்–கூழ்மக் கரைசல்கள்–கலவைகளைப் பிரித்தெடுத்தல்

#### அணு அமைப்பு

அறிமுகம்–வேதிச் சேர்க்கை விதிகள்–அணுக்கரு கண்டுபிடிப்பு–நியூட்ரான் கண்டுபிடிப்பு–ஐசோடோப்புகள்

#### தாவர உலகம் – தாவர செயலியல்

அறிமுகம்–தாமாகவே இவைகளால் இயங்க இயலுமா?–தாவரங்களால் நகர முடியுமா?–தாவரங்களால் ஒளியை உணர முடியுமா?–தாவர அசைவுகளின் வகைகள்–வளர்ச்சியை விட அசைவு இன்றியமையாதது–ஒளிச்சேர்க்கை என்றால் என்ன?–உணவுச்சங்கிலி:தாவரங்கள், விலங்குகள் மற்றும் நுண்ணுயிரிகளுக்கிடையேயான தொடர்பு–தாவரங்களில் சுவாசம்

#### விலங்குலகம் – உயிரிகளின் பல்வகைமை

அறிமுகம்–உயிரினங்களின் வகைப்பாடு–விலங்குலக வகைப்பாட்டின் அளவு கோல்கள்–தொகுதி–புரோட்டோசோவா–தொகுதி–துலையுடலிகள்–தொகுதி–குழியுடலிகள்–தொகுதி–தட்டைப்புழுக்கள்–தொகுதி–நிமட்டோடா(உருளைப் புழுக்கள்)–தொகுதி–வளைதசைப்புழுக்கள்–தொகுதி–கணுக்காலிகள்–தொகுதி–மெல்லுடலிகள்–தொகுதி–முட்தோலிகள்–தொகுதி–முதுகுநானுள்ளவை–பிரிவு முதுகெலும்பிகள்–மேல்வகுப்பு:நான்கு காலிகள்–விலங்குகளை இரு பெயரிடு முறையில் வகைப்படுத்துதல்

#### சுத்தம் மற்றும் சுகாதாரம் – உயிர்வாழ உணவு

அறிமுகம்–ஊட்டச்சத்துக்களின் வகைகள்–தனியாள் ஆய்வு–புரதச்சத்து குறைபாட்டு நோய்கள்–தாது உப்புக்களின் குறைப்பாட்டால் ஏற்படும் நோய்கள்–வைட்டமினோசிஸ்–உணவுப்பாதுகாப்பு முறைகள்–உணவு கலப்படம்

#### கணினி – ஓர்  அறிமுகம்

கணினி–கணினியின் வரலாறு–கணினியின் தலைமுறைகள்–தரவு–தகவல்

#### TN StateboardStudy Material - Sample Question Papers with Solutions for Class 9 Session 2019 - 2020

Latest Sample Question Papers & Study Material for class 9 session 2019 - 2020 for Subjects Maths , Social Science in PDF form to free download [ available question papers ] for practice. Download QB365 Free Mobile app & get practice question papers.

More than 1000+ TN Stateboard Syllabus Sample Question Papers & Study Material are based on actual Board question papers which help students to get an idea about the type of questions that will be asked in Class 9 Final Board Public examinations. All the Sample Papers are adhere to TN Stateboard guidelines and its marking scheme , Question Papers & Study Material are prepared and posted by our faculty experts , teachers , tuition teachers from various schools in Tamilnadu.

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