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Which of the following is most responsib...

Which of the following is most responsible for increasing atmos pheric `CO_(2)` levels and upsetting the balance of the corbon cycel ?

A

Photosynthesis

B

Activities of decomposers

C

Aerobic respiration by plants and animals

D

Combustion of fossil fuels

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The correct Answer is:
D
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ARIHANT NEET-ECOSYSTEM-Exercises A Taking it together (Assorted Questions of the Chapter for Advanced Level Practice)
  1. First link in food chain is green plant because

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  2. Biological equilibrium is an equilibrium among the:

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  3. Suppose all bacteria and fungi are destroyed. What will happen ?

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  4. The provisioning services of ecosystem are

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  5. The supporting srevices of ecosystem include

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  6. Humus is

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  7. Which of the following is an ecosystem service provided by a natural e...

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  8. The process of mineralisation by microorganisms helps in the relase of

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  9. Which is the most direct way that the carbon present in starch stored ...

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  10. In a particular climatic condition, decomposition rate is slower if de...

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  11. A lake community suddenly suffers from algal blooms. Using the strateg...

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  12. Which one of the following best describes the base of a pyramid of net...

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  13. How do iron levels affect phytoplankton population in a marine ecosyst...

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  14. The diagram shows losses from a rat to the environment Which of t...

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  15. The diagram shows parts of the carbon cycle. Which process conver...

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  16. Primary consumers and secondary consumers belongs to which trophic lev...

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  17. Which is wrongly matched ?

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  18. Which of the following statement is incorrect regarding ecological pyr...

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  19. Which of the following is most responsible for increasing atmos pheric...

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  20. Which of the following least affects affects succession in a community...

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