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Class 8 Olympiad Science Mock Test 2
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Class 8 Olympiad Science Mock Test 2
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25 Questions

1. What does gobar gas produced from animal and plant waste contain?
2. Which of the following includes all living organisms and all life-supporting regions of the Earth?
3. Which of the following circuits gives the correct way of connecting an LED to light it up?
4. It is easier to lift a stone inside water than out of it because of
5. Which of these organisms cause malaria?
6. Which of the following frequencies cannot be heard by human beings?
7. Which kind of clothes dry faster in the rainy season?
8. Why is a lightning conductor installed on a building?
9. During lightning, streaks of bright light are seen. This is due to
10. Identify a bacteriophage.
11. Which part of the cell is wrongly matched with its function?
12. What do silk fibres consist of?
13. Which non-metal exhibits yellow colour?
14. Which of the following are the uses of machinery in agriculture?
15. Which of the following fungi have given one of the greatest drugs to the world of medicine?
16. Seema arranged two plane mirrors with different angles of inclinations of 30°, 45° and 60° respectively. She then observed the number of images being formed in each case. Which angle of inclination gives maximum number of images?
17. A force is applied on an object in the direction of its motion. What is the effect of force on the object?
18. CNG is preferred over petrol as a fuel for transport vehicles. Why?
19. Look at the given figure.

Find the angle between the incident ray and the reflected ray.
20. Why is a carrom board usually powdered before playing?
21. Which of the following does not belong to the group formed by the others?
22. For a given incident ray, the plane of the mirror makes an angle q with the incident ray then reflected ray is turned through 2q . This fact is used in which of the options given below?
23. What is a cosmic year?
24. Which reaction does not give hydrogen as a product based on their reactivity?
25. Which of the following is the intracellular transport structure that helps in the protein and lipid synthesis?

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