Inertia of a body depends on 

The unit of ‘g’ is m s^-2. It can be also expressed as

The physical quantity which is the measure of inertia is _______

You're riding a bike when suddenly you hit a large rock. The bike stops moving but you fly over the handle - bars. This is an example of ______

Magnification of a convex lens is

Inertia of a body depends on 

Impulse is equals to

The act of cleaning a carpet by heating it with a stick is an example for inertia of

What would happen, if the force of gravity disappears suddenly on earth?

The eye defect ‘presbyopia’ can be corrected by

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Differentiate mass and weight.

Distinguish between balanced and unbalanced force.

Why are traffic signals red in colour?

Why is a normal eye not able to see clearly the objects placed closer than 25 cm?

Two bodies have a mass ratio of 3:4 The force applied on the bigger mass produces an acceleration of 12 ms-2.What could be the acceleration of the other body, if the same force acts on it.

Give the application of torque.

Explain the Sign Conventions of lenses.

Find the final temperature of a copper rod. Whose area of cross section changes from 10 m² to 11 m² due to heating. The copper rod is initially kept at 90 K. (Coefficient of superficial expansion is 0.0021 /K)

With an illustration, explain the method of Calculation for arial expansion of an object.

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What are the phases of menstrual cycle? Indicate the changes in the ovary and uterus.

The sex of the new born child is a matter of chance and neither of the parents may be considered responsible for it. What would be the possible fusion of gametes to determine the sex of the child?

Arun was playing in the garden. Suddenly he saw a dragon fly sitting on a plant. He observed the wings of it. He thought it looked similar to a wing of a crow. Is he correct? Give reason for your answer.

A breeder wishes to incorporate desirable characters into the crop plants. Prepare a list of characters he will incorporate

The endarch condition is the characteristic feature of

The xylem and phloem arranged side by side on same radius is called _________

Which is formed during anaerobic respiration

Mitochondria was discovered by ___________

The segments of leech are known as

______ deals with the bodies which are at rest under the action of forces.

For air, the refractive index is

The amount of heat energy required to rise the temperature of 1gram of water through 1⁰C is _____

Which of the following produces large joule heating effect?

A sound wave passes through gold rod and comes into the surrounding air. What is the relation between original wavelength A and new wavelength λ'?

A force is applied by direct physical contact between two bodies is

_____ determines speed of light in a medium.

In which process heat is transferred directly from one molecule to other?

Why battery is used in the circuit?

Ultrasound waves compared to audible sound waves have.

Newton's law of gravitation applies to

As compare to single lens, compound microscope gives ______ magnification

SI unit of temperature is ______

Which options show the correct direction of current?

What does it mean when a wave's amplitude increases?

When you paddle a canoe, the canoe goes forward. This is an example of _______

An object is placed at 12 cm from a convex lens whose focal length is 10 cm. The image must

Thermal expansion atparticular temperature is less in

A 110 W, 220 V bulb draws a current.

Ultrasound waves compared to audible sound waves have.

A water tanker filled up to \(\frac{2}{3}\) of its height is moving with a uniform speed, on sudden application of the brake, the water in the tank would

Convex lenses are used in

Temperature is a property which determines

In which one of the following heating effect the current is undesirable?

Loudness of sound varies directly with vibrating body's

The motion of falling bodies towards earth is due to

Device used to see very very small object is ____

Temperature is a property which determines

The resistance of a conductor is inversely proportional to its _______.

A source emits a frequency of 1 kHz is moving toward a rest listener with a speed of 0.9 V, where V is the speed of sound wave. The frequency heard by the listener is ________.

If lift is accelerated in the upward direction, then the apparent weight of a body is

The point at which the principal axis meets the surface of the lens is

SI unit of temperature is

A complete electric circuit is called_____ circuit.

Sound travels with a velocity of ____________ in dry air

The value of g

Lens formula is

The amount of heat energy required to rise the temperature of 1gram of water through 1⁰C is _____

A small wire presents inside the bulb is called

The pitch of sound depends on

The magnitude of the weight is expressed in the units of

An object is placed at 12 cm from a convex lens whose focal length is 10 cm. The image must

The degree of hotness or coldness of a body is called _____

The S1 unit of power is

Bats deflect from the obstacles in their path by receiving the reflected _______ waves.

Deduce the equation of a force using Newton’s second law of motion.

Explain the experiment of measuring the real and apparent expansion of a liquid with a neat diagram.

Explain about domestic electric circuits. (circuit diagram not required)

Suppose that a sound wave and a light wave have the same frequency, then which one has a longer wavelength?
a) Sound b) Light c) both a and b d) data not sufficient

Name the acid that renders aluminium passive. Why?

Define and describe thermal expansion.

A person who is sitting at a distance of 400 m from a source of sound is listening to a sound of 600 Hz. Find the time period between successive compressions from the source?

When you place your ear on rails, it allows you to hear the approach of a train long before you can hear the sound of train in the air. How?

State Soddy and Fajan’s displacement law.

Calculate the number of moles in
i) 27g of Al ii) 1.51 × 1023 molecules of NH4Cl

Draw a ray diagram to show the image formed by a convex lens when the object is placed between F and 2F.

Define one calorie.

What is the minimum distance needed for an echo?

Write the name of the electromagnetic radiation which is emitted during a natural radioactivity.

State two conditions necessary for rusting of iron.

The gravitational force between two objects becomes _______ when the masses of both objects are halved without altering the distance between them.

A small bulb is placed at the principal focus of a convex lens. When the bulb is switched on, the lens will produce

Absolute scale is also called as ______

The main source of stellar energy is
(i) fission reactors
(ii) fusion reaction
(iii) chemical reaction
(iv) thermonuclear reactions

Which of the following has the smallest mass?

A water tanker filled up to \(\frac{2}{3}\) of its height is moving with a uniform speed, on sudden application of the brake, the water in the tank would

In a myopic eye, the image of the object is formed

Thermal conduction in metal is due to

Radio ________ is used to locate brain tumors.

The volume occupied by 1 mole of a diatomic gas at S.T.P is

Which software is used to create animation?

All files are stored in the _____________

Which is used to build scripts?

Which is used to edit programs?

Where you will create category of blocks?

The system of National parks and wild life sanctuaries was established in________

There are______ biosphere reserves in India.

The first National park to be established in India was________

The project for conservation of_______was launched in 1976

India is the__________largest consumer of crude oil.

The International rice research institute is located at___________.

Blood dotting factors produced by biotechnology helps patients suffering from__________.

In human beings, _________ of the DNA base sequences are the same and this is called as bulk genomic DNA.

________ is father of "Indian Green Revolution"

_________ is a hybrid of wheat and rye

Biogenesis was speculated by _________.

Ancon sheep is an example of _________.

The Father of Paleobotany / Founder of Modern Paleobotany is _______

The process of formation of fossils in the rocks is called ________.

The degenerated wing of ___________ is an example for organ of disuse.

The haploid condition in a human cell refers to________ chromosomes

______is not a nitrogenous base.

Choose the correct pair

Franklin and Wilkin were awarded nobel prize for_______

Down's syndrome is a case of___________

Pollination with the help of insects like honey bees, flies are called_________

________is a disc shaped structure.

Milk production from alveoli of mammary gland is stimulated by_______

Theejection of milk is stimulated byposterior pituitary hormone called_____

Breaking of the filament into many fragments is called_____________

Dwarfism is caused by decreased secretion of ______ in children.

Goitre is caused due to the inadequate supply of _____ in our diet.

Thyroid gland requires _____ of iodine everyday for the production of thyroxine.

______ is the hormone secreted by Thymus.

______ first crystallised thyroxine hormone.

Sneezing, yawning etc are examples of _______

______ is not a characteristic of neuron.

The axons may be covered by a protective sheath called ______

______ acts as a insulator.

Each neuron can transmit ______ nerve impulses per second.

____________ is not a method of treatment for cancer.

AIDS affects the ___________ system.

World AIDS Day is observed on ______________

Obesity is not a risk factor for ___________

Excess hunger is called ______________

The_______ are also called polymorpho nuclear leucocytes

The _________are the largest ofleucocytes

Transpiration does not___________

Identify the wrong statement

Water from soil enters the root hairs due to___________

In leeches there are ________pairs of nephridia.

The number of cranial and spinal nerves in rabbit are_______ respectively

The_______ glands are modified glands of the skin

PNSis formed of _______pairs of cranial nerves in Rabbit

The third Ventricle in brain of Rabbit lives in______

______________ is the outermost layer of the root.

Name the tissue present between the upper and lower epidermis.

Who discovered light dependent photossynthesis?

The inner mitochondrial membrane gives rise to finger like projections called ____________

Leucoplasts are __________ plastids.

Ethene is an ___________

The enzymes present in yeast is / are _____________

Rectified spirit contains

Ethanolis used as ______________

Ethanoic acid turns

Pick out
Compound + element ⟶ compound type of combination reaction

Pick out a chemical reaction which is not feasible

Pick out the metal that displaces hydrogen from hydrochloric acid.

Which among the following is not a balanced equation?

Acids have pH

Quick lime is dissolved in water is a ______________ process.

Example for solid in solid ___________

The number of components in a binary solution is ______________

In which of the following solutions, both solute and solvent are solids?

Solubility of KNO₃ ____________ with the increases in temperature.

Noble gases belong to group ___________

Arrange the following in the increasing order of the size. Cl^-, Cl, Cl⁺

Electronegativity values are based on ______________

Slag is.

The chemical formula of sodium meta aluminate is ___________

An atom of an element has 13 electrons and mass number 27. The nucleus of this atom contains ____________ neutrons.

The relative atomic masses of many elements are not whole number because

The atomicity of Chlorine is

The total number of electrons present in 16 g of methane gas is

What mass of hydrogen and oxygen will be produced on complete electrolysis of 18 g of water

Fusion reaction takes place at high temp.

Atomic nucleus was discovered by _______

Henry Becquerel discovered ________ in 1896

Elements having atomic number greater than ________ are radioactive.

૪ rays are ________ in charge.

Distance between two consecutive compressions is

Sound can travel in

Sound travels with a velocity of ____________ in dry air

Dogs can receive sound upto _____ kHz.

When sound travels through air, the air particles.

Give the name of components which is designed to oppose the flow of current.

The resistance of a conductor directly proportional to

The resistance of a conductor is inversely proportional to its _______.

What happens when ammeter connected in parallel?

If resistance of a wire is r ohms and wire is stretched to double its length, then what is its resistance?

The value of universal gas constant

Temperature is the average ______ of the molecules of a substance

Linear expansion is the change in _____ when object is heated or cooled.

If the atoms or molecules of a gas do not interact with each other, then the gas is said to be an ____

Thermal conduction in metal is due to

In a myopic eye, the image of the object is formed

The eye defect ‘presbyopia’ can be corrected by

Which of the following lens would you prefer to use while reading small letters found in a dictionary?

Violet and red light ______ wavelengths.

We can see objects because of

The mass of a body is measured on planet Earth as M kg. When it is taken to a planet of radius half that of the Earth then its value will be____kg

If the Earth shrinks to 50% of its real radius its mass remaining the same, the weight of a body on the Earth will

______ deals with the bodies which are at rest under the action of forces.

The resistance of a body to change its direction of motion is

Mixing sugar in a glass of milk using a spoon is ______

When an object undergoes acceleration

Velocity of sound in a gaseous medium is 330 m s^-1. If the pressure is increased by 4 times without causing a change in the temperature, the velocity of sound in the gas is

_____ is a relative periodic property

Solubility of NaCl in 100 ml water is 36 g. If 25 g of salt is dissolved in 100 ml of water how much more salt is required for saturation _____________

Which among the following factors affect the rate of a reaction?

Which software is used to create animation?

All files are stored in the _____________

Which is used to edit programs?

Where you will create category of blocks?

Multiplefilesarestoredina___________

What are the steps will you adopt for better waste management?

Soil erosion can be prevented by

A renewable source of energy is

An inexhaustible resources is

A cheap, conventional, commercial and inexhaustible source of energy is

World 'No Tobacco Day' is observed on

Which type of cancer affects lymph nodes and spleen?

Cancer of the epithelial cells is called

Polyphagia is a condition seen in

Where does alcohol effect immediately after drinking?

Pusa Komal is a disease resistant variety of _________.

Himgiri developed by hybridisation and selection for disease resistance against rust pathogens is a variety of _______.

rDNA is a

Organisms with modified endogenous gene or a foregin gene are also known as

Dr. Norman received the Nobel peace prize in_________

Biogenetic law states that ___________

Paleontologists deal with

The term Ethnobotany was coined by

________ is not an example of vestigial organ.

_______ is the only planet in the Goldilock. zone.

9 : 3 : 3 : 1 ratio is due to

The region of the chromosome where the spindle fibres get attached during cell division

The centromere is found at the centre of the ________________ chromosome

The _____________ units form the backbone of the DNA.

Okasaki fragments are joined together by ___________________.

The plant which propagates with the help of its leaves is ___________

What is true of gametes?

Estrogen is secreted by

Which one of the following is an IUCD?

Each stamen consists of a small bag like structure called_______

Inertia of a body depends on 

If a substance is heated or cooled, the change in mass of that substance is

SI unit of resistance is

Unit of radioactivity is _____________

Which of the following is a triatomic molecule?

The hormone which has positive effect on apical dominance is:

Which one of the following hormones is naturally not found in plants.

Avena coleoptile test was conducted by

To increase the sugar production in sugarcanes they are sprayed with _______

LH is secreted by

Bipolar neurons are found in

Site for processing of vision, hearing, memory, speech, intelligence and thought is

In reflex action, the reflex arc is formed by

Dendrites transmit impulse ______ cell body and axon transmit impulse ______ cell body.

The outer most of the three cranial meninges is

The molecular formula of an open chain organic compound is C₃H₆. The class of the compound is

Rectified spirit is an aqueous solution which contains about _______ of ethanol

TFM in soaps represents ___________ content in soap

Cyclobutane is an example of ______________ compounds.

The enzymes present in yeast is / are _____________

Casparian strips are present in the _____________ of the root.

The endarch condition is the characteristic feature of

Oxygen is produced at what point during photosynthesis ?

Amphivasal bundle belongs to ___________ type of vascular, bundle.

The ___________ is called starch sheath in a dicot stem.

In leech locomotion is performed by

Mammals are ______________ animals.

The animals which give birth to young ones are

Leeches have ___________

In leeches sperms are stored in

Water which is absorbed by roots is transported to aerial parts of the plant through

The wall of human heart is made of

Which one of the following regarding blood composition is correct

The _________are the largest ofleucocytes

The life span of platelets is_________

Write a note on biogas.

Write a note an solar cells.

Write a note an wind energy

Explain the waste water treatment process

Afamily has 3 three cars and can afford to buy fuel. They prefer to go out independently. Is it right to suggest car pooling for such people. Justify.

Write a note an smoking hazards and effects of Tobacco.

Write a note an prevention and control of AIDS.

Write a note on Obesity.

What is diabetes? Explain the types.

Ramu studies in a school and his friends are discussing about drugs. They force him to use drugs and threaten to avoid him / harm him if he refuses. What should Ramu do?

Write a note an selection.

Write a essay on polyploidy breeding.

Why are Genetically modified organisms produced? Explain the purpose and advantages.

Plants seeds got from other countries are tested in plant quarantine. Reason out.

A farmer has lot of banana trees in his form. He wishes to go in for selection to improve the crop. Which method can he adopt in banana?

Why is Archaeopteryx considered to be a connecting link?

Write a note on evidences from Morphology and Anatomy in favour of Evolution.

Explain Use and Disuse theory.

Two kittens (Leo and Joe) from the same mother were separated and sent to different habitual conditions. Leo was sent to a high mountain wild region and Joe was domesticated and lived in a city. After a good 5 years) it was found that Leo was aggressive and built strong with hunting skills. Leo looked tall with strong legs and muscled structure) whereas Joe was a well mannered cat looked puffy with soft legs.
(i) Do you think habitual condition impact animal characters?
(ii) What acquired characters does Leo inherit?
(iii) Is it true but Leo's offspring would be a hunter?

X is the oldest fossil bird. The animal X became extinct a long time ago. But the study of fossils of
X tells us that it had features like birds and some like reptiles.
(i) Identify 'X'?
(ii) Name one feature in which 'X' resembled birds.
(iii) Name one feature in which 'X' resembled reptiles.

What are Okazaki fragments?

How are chromosomes classified based on the position of centromere?

Write a note on DNA replication.

Write a note on mutation

Mala had a huge scar on her cheek after she met with fire accident during her college days. She is worried ifher baby would inherit the scar she had acquired. She clarified with her doctor, she need not worry about it, as her scar is an acquired trait.
(i) What are acquired traits?
(ii) How is it different from inherited traits?

Write a note on agents of pollination.

Explain the process of fertilization in plants?

Government has brought in lot of measures to focus on health of a pregnant woman. Answer the following questions based on the same
(a) Name the tissue responsible for transfer of nutrients from mother to the offspring during pregnancy.
(b) Suggest two measures to maintain a woman's health during pregnancy.

Arun and Ram were good friends. But Ram slowly started loosing interest in studies as they grew up. The teacher found out that Ram had three siblings and their parents could not give him good food or personal care. What value does this episode give us.

My friend Manisha received a marriage  proposal from a boy living abroad. Before they met and finalised the wedding, Manisha ~ requested her parents to get the boy's blood  test report. E
(i) Do you think blood test report is i necessary for both boy & girl?  
(ii) Do you think, blood test report is not " necessary for the boy living in India?

Explain the physiological effects of Auxins.

(a) Describe the structure of thyroid gland?
(b) List the functions of thyroid hormones.

Write a note on Thyroid Dysfunctions.

Describe the role of pancreas in maintenance of blood sugarlevel.

In botanical gardens and tea gardens the gardeners trim the plants regularly so that they remain bushy. Write the scientific explanation of this practice.

Tabulate the different parts of the brain and their functions.

List the function of cerebrospinal fluid.

Differentiate simple reflexes and conditional reflexes.

Rani fell from her bike and had a head injury. She was hospitalized and discharged later. What do you think she could have done to save herself from this accident.

'A' contains a cerebrospinal fluid filled cavity known as 'B'. How many nerves are produced from A.
(i) What isA?
(ii) What is 'B'?

What would happen to the leaves of a plant that transpires more water than its absorption in the roots?

Describe the structure and working of the human heart.

Why is the circulation in man referred to as double circulation?

Write a note an ABO blood grouping.

List the difference between RBC and WBC

H_2(g) + Cl_29(g) → 2HCl_(g) is a

Photolysis is a decomposition reaction caused by

The reaction between carbon and oxygen is represented by C_(s) + O2_(g) → CO_2(g) + Heat. In which of the type(s), the above reaction can be classified?
(i) Combination Reaction
(ii) Combustion Reaction
(iii)Decomposition Reaction
(iv) Irreversible Reaction

A single displacement reaction is represented by X_(s) + 2HCl_(aq) → XCl2_(aq) + H2_(g). Which of the following(s) could be X. (i) Zn (ii) Ag (iii) Cu (iv) Mg. Choose the best pair.

Which of the following is not an“element + element → compound” type reaction?

A solution is a __________ mixture.

The number of components in a binary solution is _____________

A 25% alcohol solution means 

Which of the following is hygroscopic in nature?

Sugar and copper sulphate crystals are dissolved in water. The solution is called as

Give an account on vascular bundle of dicot stem.

Write a short note on mesophyll.

Draw and label the structure of oxysomes.

Name the three basic tissues system in flowering plants.

What is photosynthesis and where in a cell does it occur?

What is called homologous series? Give any three of its characteristics?

Arrive at, systematically, the IUPAC name of the compound: CH₃–CH₂–CH₂–OH.

How is ethanol manufactured from sugarcane?

Give the balanced chemical equation of the following reactions:
(i) Neutralization of NaOH with ethanoic acid.
(ii) Evolution of carbon dioxide by the action of ethanoic acid with NaHCO3.
(iii) Oxidation of ethanol by acidified potassium dichromate.
(iv) Combustion of ethanol.

Explain the mechanism of cleansing action of soap.

N₂ + 3 H₂ → 2 NH₃
(The atomic mass of nitrogen is 14, and that of hydrogen is 1)
1 mole of nitrogen (_______g) +
3 moles of hydrogen ( _________ g) →
2 moles of ammonia ( _________ g)

Calculate the % of oxygen in Al₂(SO4)₃. (Atomic mass: Al-12, O-16, S -32)

Calculate the % relative abundance of B -10 and B -11, if its average atomic mass is 10.804 amu.

Give the applications of Avogadro's hypothesis.

How will you determine the atomicity of gases using Avogadro's hypothesis?

What are called thermolysis reactions?

Explain the types of double displacement reactions with examples.

Explain the factors influencing the rate of a reaction

How does pH play an important role in everyday life?

What is a chemical equilibrium? What are its characteristics?

a) State the reason for addition of caustic alkali to bauxite ore during purification of bauxite.
b) Along with cryolite and alumina, another substance is added to the electrolyte mixture. Name the substance and give one reason for the addition

The electronic configuration of metal A is 2,8,18,1.
The metal A when exposed to air and moisture forms B a green layered compound. A with con. H2SO4 forms C and D along with water. D is a gaseous compound. Find A,B,C and D.

Explain smelting process

Explain the salient features of periods in the modern periodic table.

Explain the salient features of groups in the modern periodic table.

Why are the rings of cartilages found in trachea of rabbit?

List out the parasitic adaptations in leech.

Leeches do not have secretion of digestive juices and enzymes -Why ?

How is the digestive system of rabbit suited for herbivorous mode of feeding?

Explain the Digestive System of Rabbit

State Soddy and Fajan’s displacement law.

Explain the principle & structure of atom bomb.

Explain the uses of radio isotopes in medicine field?

Distinguish between Nuclear fission and nuclear fusion.

What are the precautions to be taken by people working in radiation labs?

Define and describe thermal expansion.

With an illustration, explain the method of Calculation for linear expansion of an object.

With an illustration, explain the method of Calculation for arial expansion of an object.

With an illustration, explain the method of Calculation for cubical expansion of an object.

State and explain Boyle's law.

Write notes on
i) saturated solution
ii) unsaturated solution

Write notes on various factors affecting solubility

a) What happens when MgSO₄.7H₂O is heated? Write the appropriate equation
b) Define solubility

A solution is prepared by dissolving 45 g of sugar in 180 g of water. Calculate the mass percentage of solute.

3.5 litres of ethanol is present in 15 litres of aqueous solution of ethanol. Calculate volume percent of ethanol solution.

What are the categories of sound waves based on their frequencies?

How will you determine the velocity of sound by echo method?

write the difference between the sound and light waves.

Explain the working and use of SONAR?

What are the various possibilities of relative motion between source and listener?

Unit of radioactivity is _____________

____________ isotope is used for the treatment of cancer.

Proton - Proton chain reaction is an example of__________

Kamini reactor is located at __________

The explosion of the atomic bomb takes place due to

When a sound wave travels through air, the air particles

The frequency, which is audible to the human ear is

The velocity of sound in air at a particular temperature is 330 m s^-1. What will be its value when temperature is doubled and the pressure is halved?

If a sound wave travels with a frequency of 1.25 x 10⁴ Hz 344 ms^-1, the wavelength will be 

Velocity of sound in the atmosphere of a planet is 500 m s^-1. The minimum distance between the sources of sound and the obstacle to hear the echo, should be

Define electric potential and potential difference.

State Ohm’s law.

Distinguish between the resistivity and conductivity of a conductor.

A 100 watt electric bulb is used for 5 hours daily and four 60 watt bulbs are used for 5 hours daily. Calculate the energy consumed (in kWh) in the month of January.

A piece of wire having a resistance R is cut into five equal parts.
a) How will the resistance of each part of the wire change compared with the original resistance?
b) If the five parts of the wire are placed in parallel, how will the resistance of the combination change?
c) What will be ratio of the effective resistance in series connection to that of the parallel connection?

State the laws of refraction.

Explain Raman Scattering.

Write the sign convention for lenses.

Explain the types of Telescope.

Explain the refraction of light through a glass prism.

What are the concepts prepared by Galileo?

Give the application of torque.

Give examples for Newton's third law.

Derive the Relation between g and G?

Discuss the apparent weight of a man in lift?

Which of the following is correct?

Kilowatt hour is the unit of

The S1 unit of power is

The resistance of material depends on.

The resistance of a conductor directly proportional to

The value of universal gas constant

If a substance is heated or cooled, the linear expansion occurs along the axis of

Which of the following has the fastest process of heat transfer?

SI unit of temperature is

Increase in area due to heating is called

What is Scratch?

Write a short note on editor and its types?

What is Stage?

What is Sprite?

Distinguish file and folder.

What would happen if the habitat of wild animals is disturbed?

Why fossil fuels are to be conserved?

How are e-wastes generated?

What is Van Mahotsav?

How can we contribute to a sustainable world?

Mention the diseases caused by tobacco smoke.  

What is adult onset diabetes?

How does insulin deficiency occur?

Mention some behavioural changes seen in drug users.

Write a note an symptoms of diabetes mellitus.

Semi-dwarf varieties were introduced in rice. This was made possible by the presence of dwarfing gene in rice. Name this dwarfing gene.

Name the types of stem cells.

State the importance of biofertiliser.

How was IR-8 variety produced?

Name the methods of selection.

A human hand, a front leg of a cat, a front flipper of a whale and a bat’s wing look dissimilar and adapted for different functions. What is the name given to these organs?

Which organism is considered to be the fossil bird?

What is the study of fossils called?

What is theory of Cosmic origin?

What is theory of Spontaneous generation or Abiogenesis?

Name the conditions when both the alleles are identical?

A garden pea plant produces axial white flowers. Another of the same species produced terminal violet flowers. Identify the dominant trait?

What is the name given to the segments of DNA, which are responsible for the inheritance of a particular character?

Name the bond which binds the nucleotides in a DNA.

State the law of purity of gametes or the law of segregation

The refractive index of four substances A, B, C and D are 1.31, 1.43, 1.33, 2.4 respectively. The speed of light is maximum in

Magnification of a convex lens is

If V_B, V_G, V_R be the velocity of blue, green and red light respectively in a glass prism, then which of the following statement gives the correct relation?

The path of light is ______

Violet and red light ______ wavelengths.

Inertia of a body depends on 

One kilogram force equals to

To project the rockets which of the following principle(s) is /(are) required?

The resistance of a body to change its state of rest is called

The momentum of a heavy object at rest will be

In which part of the flower germination of pollen grains takes place?

Name two organisms which reproduces through budding

Mention the function of endosperm

When is World Menstrual Hygiene Day observed?

What is the need for contraception ?

Which hormone promotes the production of male flowers in Cucurbits?

Write the name of a synthetic auxin.

Which hormone induces parthenocarpy in tomatoes?

Which hormone is secreted during emergency situation in man?

Which gland secretes digestive enzymes and hormones?

Name the parts of the hind brain.

Give an example for conditioned reflexes.

Name the parts of a neuron.

What is a neurotransmitter?

Name the cerebral lobes.

What is the shape of RBC in human blood?

Which kind of cells are found in the lymph?

Mention the artery which supplies blood to the heart muscle.

Why are people with AB blood group called as "Universal Recipients"?

Write the functions of lymphatic system

How does leech respire?

How many pairs of testes are present in leech?

What organs are attached to the two bronchi?

What does CNS stand for?

Why is the teeth of rabbit called heterodont?

Where does the carbon that is used in photosynthesis come from?

What is the common step in aerobic and anaerobic pathway?

Draw diagrams to represent the types of concentric vascular bundles.

What are grana?

Draw the ultrastructure of a chloroplast and label the parts.