HARD
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IMPORTANT
Earn 100

Assertion (A): A primary succession is more common than secondary succession.

Reason (R): Biogeochemical cycling is absent in secondary succession.

40% studentsanswered this correctly

Important Questions on Ecosystem

MEDIUM
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The rate of decomposition depends upon

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_____________ kg of carbon is fixed in the biosphere through photosynthesis.
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In an ecosystem, the population of:
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Which of the following is always upright in all ecosystems?
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Find out odd one.
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Which one of the following is not a gaseous biogeochemical cycle in ecosystem?
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The mineralisation by microorganisms is an aid in the release of
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Primary productivity varies in different types of ecosystems because it depends on-
A. The plant species inhabiting a particular area
B. On a variety of environmental factors
C. Availability of nutrients
D. Photosynthetic capacity of plants