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Which of the following is an ecosystem s...

Which of the following is an ecosystem service provided by a natural ecosystem?

A

Cycling of nutrients

B

Prevention of soil erosion

C

Pollutant absorption and reduction of threat of global warming

D

All of these

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The correct Answer is:
D
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MODERN PUBLICATION-ECOSYSTEM -NCERT Exemplar Problems (A. MULTIPLE CHOICE QUESTIONS)
  1. Decomposers like fungi and bacteria are Choose the correct answer : ...

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

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  3. Productivity is the rate of production of biomass expressed in terms o...

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  4. An inverted pyramid of biomass can be found in which ecosystem

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  5. Which of the following is not a producer ?

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  6. Which of the following ecosystems is most productive in terms of net p...

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  7. Pyramid of numbers is

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  8. Approximately how much of the solar energy that falls on the leaves of...

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  9. Among the following , where do you think the process of decomposition ...

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  10. How much of the net primary productivity of a terrestrial ecosystem is...

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  11. During the process of ecological succession the changes that take plac...

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  12. Climax community is in a state of

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  13. Among the following biogeochemical cycles, which one does not have los...

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  14. The sequence of communities of primary succession in water is

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  15. The reservoir for the gaseous type of biogeochemical cycle exists in

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  16. If the carbon atoms fixed by producers already have passed through thr...

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  17. Which of the following type of ecosystem is expected in an area where ...

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  18. The zone at the edge of a lake or ocean which is alternatively exposed...

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  19. Edaphic factor refers to

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

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