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Class 12 Biology Practice Test: Ecosystem - Structure and Function
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Class 12 Biology Practice Test: Ecosystem - Structure and Function
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20 Questions

1. Who reuses the decomposed dead matter?
2. In which of the following aspect do the components of the ecosystem are seen to function as a unit?
3. The phytoplankton, zooplankton, and the fungi are components of which ecosystem?
4. Which of the following is an autotrophic component of a pond?
5. Which of the following is an abiotic component of a pond?
6. What can be visualized as a functional unit of nature?
7. What is the characteristic of each type of ecosystem?
8. From where do autotrophs obtain energy?
9. Which of the following is an autotrophic component of a pond?
10. What are the two basic categories of an ecosystem?
11. What is the movement of energy towards the higher trophic levels and its distribution and loss as heat to the lower trophic levels in the environment?
12. In which of the following aspect do the components of the ecosystem are seen to function as a unit?
13. In which of the following aspect do the components of the ecosystem are seen to function as a unit?
14. Which of the following is the decomposer of a pond ecosystem?
15. Which of the following is an autotrophic component of a pond?
16. In which of the following aspect do the components of the ecosystem are seen to function as a unit?
17. Which of the following is the consumer of a pond ecosystem?
18. What is the movement of energy towards the higher trophic levels and its distribution and loss as heat to the lower trophic levels in the environment?
19. The phytoplankton, zooplankton, and the fungi are components of which ecosystem?
20. What can be visualized as a functional unit of nature?

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