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How many trophic levels occur in food ch...

How many trophic levels occur in food chain ?

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There are three or four trophic levels in a food chain
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KUMAR PRAKASHAN-OUR ENVIRONMENT-OBJECTIVE QUESTIONS AND ANSWERS
  1. Who affects the environment the most?

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  2. Which is main functional unit of an environment ?

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  3. What happens to the dead plants and dead animals?

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  4. What are various orders of food chain named as?

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  5. How many trophic levels occur in food chain ?

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  6. Which trophic level has maximum and which trophic level has minimum nu...

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  7. Can any single organism occupy two different trophic levels? Yes or no...

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  8. Construct food chain from following organisms: (a) Frog, insects, bi...

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  9. Why all food chains begin with organisms that contain chlorophyll?

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  10. Among snake, insects, frog, plants, hawk which one is an organism of f...

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  11. Among grass, deer, lion by whom maximum energy is transported to its u...

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  12. Mention the amount of solar energy captured by the green plants out of...

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  13. List two methods of safe disposal of the non-biodegradable waste.

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  14. Which chemical is used in fire extinguishers? How it is harmful?

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  15. Why is straight-line food chain is not common in the natural ecosystem...

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  16. What is the function of ozone in the upper atmosphere?

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  17. Name two natural and two artifical ecosystem.

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  18. Name the natural cleansing agent in an ecosystem.

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  19. Why are autotrophs called producers and heterotrophs called consumers?

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