Consider the following statements:
1. Every plant is autotrophic in nature.
2. Carbohydrates stored in plants in the form of Starch.
Which of the above statements is/are correct?

With reference to the Lichens, which of the following is/are true?
1. Lichen is an example of a symbiotic relationship between algae and a virus.
2. Lichens are an indicator of the good health of the environment.
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Consider the following statements about Saprotrophic nutrition:
1. It is that mode of nutrition in which organisms feed on other living organisms.
2. Fungus shows this type of nutrition.
3. It is a type of Heterotrophic Nutrition.
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Nutrition is a complex process involving:
1. Egestion
2. Ingestion
3. Digestion
4. Adsorption
5. Assimilation
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Consider the following statements:
1. The liver secretes the bile juice.
2. Bile helps in the emulsification of Fat.
3. Bilirubin is bile pigment accumulation of which causes jaundice.
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Consider the following statements about Cellulose:
1. It is a type of protein.
2. Humans are not able to digest Cellulose.
Which above given statement is/are incorrect?

Which of the following is true about silk fibres?
1. Silk fibres are made of Fat.
2. India is the only country which produces all five known commercial varieties of Silk.
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Consider the following pairs:
Medium – Process of heat transfer
1. Solid – Convection
2. Liquid – Conduction
3. No medium – Radiation
Which of the above pairs is/are correctly matched?

Which of the following is/are incorrect about the Sea Breeze?
1. In the sea breeze, the air flows from the land towards the sea.
2. It generally occurs during day time.
3. It is driven by the Pressure difference.
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Which of the following is/are true about the Proteins?
1. These are solely the compounds of Carbon, Hydrogen, Oxygen, and Sulphur.
2. Proteins are found in every living being.
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Consider the following statements:
1. The genetic material of the cell is only found in DNA.
2. The nucleus is surrounded by the cytoplasm.
Which of the above-given statements is/are incorrect?

With reference to the Fixation of nitrogen, which of the following is/are true?
1. Azotobacter is aerobic nitrifying bacteria.
2. Clostridium is anaerobic nitrifying bacteria.
3. Nitrosomonas bacteria facilitate the transformation of nitrite to nitrate.
4. Symbiotic bacteria like Rhizobium also help in the fixation of Nitrogen.
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Which of the following is/are true about the plant’s nutrition?
1. Soil is the ultimate source of energy for plants.
2. Primary nutrients for plants are Nitrogen, Potassium, and Phosphorus.
Which of the above-given statements is/are incorrect?

Consider the following statements:
1. The liver is the largest of the Endocrine gland in the Human body.
2. The liver has the highest regenerative capacity among human organs.
Which of the above-given statements is/are incorrect?

With reference to the digestion process which of the following is/are correct about the role of the pancreas?
1. They release the pancreatic juice in the small intestine.
2. The pancreatic juice is known as complete digestive juice.
3. The pancreatic juice acts on carbohydrates, fats, and proteins.
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Consider the following pairs:
Macronutrients – Basic unit
1. Lipids – Lipase
2. Protein – Amino acid
3. Carbohydrate – Glucose
Which of the above pairs is/are incorrectly matched?

Which of the following is/are part of the human digestive system?
1. Small intestine
2. Lungs
3. Oesophagus
4. Anus
5. Buccal cavity
6. Kidney
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False feet mode of ingestion is associated with?

On wearing woollen clothes one feels comfortable in the winter. Which of the following is/are reasons for this?
1. Wool is a poor conductor of heat.
2. There is air trapped in between the wool fibres.
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Consider the following statements:
1. The parasitic mode of nutrition is a type of heterotrophic mode of nutrition.
2. In the parasitic mode of nutrition one species suffers loss of nutrients.
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Why mercury is/are used in a clinical thermometer?
1. It has a high boiling point.
2. It has a low coefficient of expansion.
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Which of the following characteristics of penguins is/are incorrect?
1. They huddle together.
2. They cannot swim.
3. They have webbed feet.
4. They are mammals.
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Consider the following statements regarding Siberian crane:
1. Siberian crane is listed as endangered in the IUCN Red List of threatened species.
2. They come from Siberia to places like Bharatpur in Rajasthan and Sultanpur in Haryana.
Which of the above statements is/are correct?

With reference to tropical rain forests, consider the following statements:
1. Hot and humid climate
2. Unequal lengths of day and night
3. Dense vegetation which stratified with small trees
4. Tropical rainforests are found in Eastern Ghats in India.
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Match the following pair regarding tropical rainforest species and their features.
1. Elephant – Large ears to keep cool in the hot
2. Lion-tailed macaque – Silver white mane
3. Toucan – Long, large beak
4. Red eyed frog – Sticky pads on feet
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Which of the following factors affect climate?
1. Topography
2. Sea level
3. Ocean currents
4. Prevailing winds
5. Human influence
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Consider the following statements about Air:
1. As warm air rises, air pressure at that place is increased and the cooler air moves to that place.
2. Air moves from region of high air pressure to low air pressure only.
3. Near the surface mixture of gases in air is lighter than at high altitudes.
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Which of the following statements is/are true with reference to wind currents?
1. The direction of the wind flow towards land site from the sea in winter and just opposite in summer.
2. Wind currents occur due to uneven heating between the equator and the poles as well as land and water.
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Regarding Cyclone, consider the following statements:
1. Wind speed and humidity contribute to the development of cyclones.
2. The western coast of India is more sensitive than the eastern coast in terms of both intensity and frequency of cyclone.
Which of the above statements is/are incorrect?

In the context of Thunderstorm, identify the correct statement.
1. Thunderstorms develop in hot, humid tropical areas.
2. Lightning is caused by the thunderstorms.
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Damini App is often in news, consider the following statements:
1. IISc Bangalore developed a Mobile App called DAMINI.
2. It gives alerts on impending lightning activity over the area.
Which of the above statements is/are correct?

What do you understand by the Neutralization process?

Turmeric is a natural indicator. On adding its paste to acid and base separately, which colours would result?

When an ant bites, it injects formic acid into the skin. The effect is neutralized by:

Litmus, a natural dye, is extracted from which of the following?

Consider the following statements about Acid and Base:
1. Organic Acids produced by plants and animals.
2. Base are good conductors of electricity.
3. Acid are bitter in taste and soapy to touch.
4. An acid and a base neutralise each other and form a salt.
Select the correct answer using the codes below:

Which of the following methods is/are suitable for Prevention of Rusting of Iron:
1. By Painting
2. By Oiling and greasing
3. By Chromium plating
4. By Galvanizing
5. By Alloying
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Which of the following is/are true when milk changes into curd?
1. Its state is changed from liquid to semi solid.
2. Curd forms because of the chemical reaction between the lactic acid bacteria and casein.
3. Curd formation is a physical change.
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Consider the following statements regarding cooking of food:
1. It is regarded as a displacement reaction.
2. Cooked food is easier to digest than uncooked food.
3. Cooking causes breakdown of complex molecules of carbohydrates, fats and proteins into smaller molecules.
Select the correct answer using the codes below:

Match the following pairs:
1. Depositing a layer of zinc on iron – Galvanisation
2. Dissolving common salt in water – Physical change
3. Pure state from their solutions – Crystallization
4. Souring of milk – Chemical change
Select the correct answer using the codes below:

Which of the following statement is incorrect about polar bear?
1. It has a layer of fat under its skin which insulates its body from cold and keeps it warm.
2. It has a very low sense of smell due to which it has difficulty catching its prey.
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Which of the following assertions is/are correct?
1. Earthworms breathe through their skins.
2. Frogs breathe through their skins as well as their lungs.
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Breathing cannot be considered as a whole process of respiration. Because:

Consider the following statements regarding respiratory phenomena:
1. During heavy exercise, we get cramps in the legs due to the accumulation of Carbon dioxide.
2. The percentage of oxygen in inhaled and exhaled air is 21% and 16.4% respectively.
Which of the given above statement is/are correct?

In the context of respiration in various animals, consider the following statements:
1. The process of breakdown of food in the cell with the release of energy is called cellular respiration.
2. In the cell, the food (glucose) is broken down into carbon dioxide and water using oxygen.
3. Food can also be broken down, without using oxygen. This is called aerobic respiration.
Which of the above assertions is/are correct?

Assertion: Water absorbed by the roots through soil reaches the stem and leaves.
Reason: The evaporation of water from leaves generates a suction pull.
Use the code given below to select the correct answer:

What is the function of white blood cells or granules?
1. To carry carbon-dioxide
2. To fight against germs
3. To clot blood
Select the correct option from the given below:

Consider the following statement:
1. Blood
2. Liver
3. Heart
4. Renal (kidney)
Which of the above organs is/are not the part of the human circulatory system?

Consider the following statement about circulatory system:
1. Fish
2. Hydra
3. Sponge
In which of the above organisms, no circulatory system is found?

In the context of human blood, consider the following assertions:
1. Hemoglobin binds with oxygen and transports it to all the parts of the body.
2. Hemoglobin is a yellow-colored pigment whose presence makes blood appear.
3. Blood transports digested food, oxygen and waste material.
Which of the above statement is/are correct?

Consider the following assertions in relation to the removal of waste chemicals from the body of some animals:
1. Aquatic animals like fishes excrete cellular waste as ammonia.
2. Snakes excrete nitric acid as waste from their body.
Which of the above assertions is/are correct?

During the inactivity of which of the following organs, the process of dialysis comes into practice?

Consider the following assertions in terms of fertility in various organisms:
1. Reproduction in yeast takes place through budding.
2. Reproduction process in algae takes place through fragmentation.
3. Plants such as moss and fern also reproduce by means of spores.
Which of the above assertions is/are correct?

Consider the following assertions, in the context of Vegetative Propagation:
1. Plant produced by vegetative propagation takes less time to grow.
2. Plants produced by seeds bear flowers earlier than those produced from vegetative propagation.
Which of the above statements is/are correct?

Consider the following statements in the context of unisexual flowers:
1. In unisexual flowers, either only stamens or only pistil are present.
2. Mustard, rose and petunia have unisexual flowers.
Which of the above statements is/are correct?

Match the List-I with List-II given the chronological numbering:
1. Top soil or A-horizon – Soft, porous, retains more water
2. Middle layer or B-horizon – Lesser humus, more minerals
3. Third layer or C-horizon – Small lumps of rocks with cracks
4. Bedrock – Hard and difficult to dig with a spade
Select the correctly matched statements using the code given below:

Consider the following statements about soil:
1. The best topsoil for growing plants is loamy.
2. Loamy soil is a mixture of sand, clay and silt.
3. The size of the silt particles is between those of sand and clay.
4. Sandy soil is suitable for growing wheat, gram and paddy.
Which of the above assertions is/are correct?

In a farmland, during a hot summer day, the air above the land appears to be shimmering. This happens due to which of the following reasons?

Water holding capacity is highest in:

Match List I to List II:
1. Stomata – Transpiration
2. Xylem – Transport of water
3. Phloem – Transport of food
4. Root hair – Water absorption
Select the correct answer using the code given below:

Which equipment measures the distance covered by a vehicle?

An example of oscillatory motion is:
1. Motion of cycle wheel
2. Movement of car on straight road
3. Motion of earth around the sun
4. Motion of a swing
Select the correct statement from the given above:

Consider the following statement:
1. The time taken by pendulum of given length to complete one oscillation is constant at all times.
2. Motion of pendulum is periodic motion.
Select the correct option from the given below:

When you have a series of electrical wires connecting to each other and completing a circuit so that current travels from one end of the circle to the other, this is an example of a:

An electric wire connected in a circuit gets heated up when current is flowing through it. This is due to:
1. Heating effect of current
2. Electric effect of current
Identify the correct statement:

Change in path of light after striking a mirror is known as:

In the context of magnetic and heating effects of the electric current, consider the following assertion:
1. The wire gets hot when an electric current passes through it.
2. When electric current passes through a wire, it behaves like a magnet.
Which of the above assertions is/are correct?

Consider the following statement:
1. Light travels along straight line.
2. Any polished or shining surface can act as mirror.
Select the correct option from the given above statements:

Image formed by convex mirror is:
1. Virtual image
2. Erect
3. Diminished
Select the correct code from the given below: