1. Match the following.
List-I
1. Crop
2. Tilling or Ploughing
3. Hoe
4. Manure or fertilizer

List-II
i. Nutrients for the healthy growth of plants.
ii. It is a simple tool that is used for removing weeds and loosening the soil.
iii. The process of loosening and turning of the soil.
iv. When plants of the same kind are cultivated in one place on a large scale.
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2. Which of the following statements is correct

3. Match the following
List-I
1. Carbon Monoxide
2. Smog
3. Sulphur dioxide and nitrogen dioxide
4. Chlorofluorocarbons(CFC)

List-II
i. Produce by incomplete burning of fuels such as petrol and diesel and reduce the oxygen carrying capacity of the blood.
ii. Secondary pollutants made up of smoke and fog.
iii. Produced in the burning of coal and oil refinery
iv. Used in refrigerator, air conditioners, and aerosol sprays. Damage Ozone layer.
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4. Which of the following statements is true

5. Match the following:
List-I
1. Prokaryotic
2. eukaryotic cells.
3. eukaryotes
4. chloroplasts

List-II
i. All organisms other than bacteria and blue-green algae.
ii. The cells having nuclear material without a nuclear membrane.
iii. cells having a well-organized nucleus with a nuclear membrane
iv. Green color to leaves.
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6. Match the following:
List-I
1. Incident ray.
2. Reflected ray.
3. angle of incidence
4. angle of reflection

List-II
i. The ray that comes back from the surface after reflection.
ii. The light ray, which strikes any surface.
iii. The angle between the normal and the reflected ray.
iv. The angle between the normal and incident ray.
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7. Which of the following statements is correct;

8. Which of the following statements is not correct

9. Image formed by a plane mirror is

10. Which of the following cannot be changed easily by friction?

11. Which of the following statements is not correct

12. Who discover the vaccine for smallpox in 1798

13. Match the following:
List-I
1. Rapid Combustion
2. Spontaneous combustion
3. Explosion
4. Calorific value

List-II
i.The amount of heat energy produced on complete combustion of 1 kg of a fuel
ii. A large amount of gas formed in the reaction is liberated. the sudden reaction takes place with the
evolution of heat, light, and sound.
iii. material suddenly bursts into flames, without the application of any apparent cause.
iv. the gas burns rapidly and produces heat and light
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14. Which of the following statements is not correct

15. Which of the following is not constellations?

16. Which of the following is NOT a planet of the sun?

17. Match the following:
List-I
1. Adolescence/Teenagers
2. Puberty
3. Facial hairs
4. Hormones

List-II
i. secretions from endocrine glands.
ii. Secondary sexual character
iii. Girls and boys become capable of reproduction.
iv. Body leading to reproductive maturity.
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18. Four children were asked to arrange forces due to rolling, static, and sliding frictions in decreasing order. Their arrangements are given below.
Choose the correct arrangement

19. Which of the following statements is correct

20. Match the following:
List-I
1. Polymer
2. Cellulose
3. Rayon
4. Nylon

List-II
i. First fully synthetic fiber; it is prepared from coal, water, and sir.
ii. Artificial silk
iii. Natural polymer which is made up of a large number of glucose units.
iv. Many small chemical substance units combine to form a large single unit of chemical substances.
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21. Who discover the Penicillin antibiotics

22. The process of conversion of sugar into alcohol is called

23. Match items in column A with those in column B.
A - B
1. Kharif crops - i. Food for cattle
2. Rabi crops. - ii. Urea and superphosphate
3. Chemical fertilizers. - iii. Animal excreta, cow dung urine, and plant waste
4. Organic manure. - iv. Wheat, gram, pea
- - v. Paddy and maize
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24. Match the following:
List-I
1. Combustion
2. Fuel
3. Ignition temperature
4. Inflammable substances

List-II
i. The substance has a very low ignition temperature and gets easily catches fire with flame.
ii. The lowest temperature at which a substance catches fire.
iii. The substance that undergoes combustible.
iv. A chemical process in which substances react with oxygen to give off heat.
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25. Carrier of malaria-causing protozoan is