NEET UG BIOLOGY MCQ: ECO SYSTEM

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Understanding +4 | -1

Assertion (A): Many environmental scientists believe amphibians, including frogs, are good biological indicators of broader ecosystem health.

Reason (R): These organisms have intermediate positions in food chains, have permeable skins, and typically biphasic lives (aquatic larvae and terrestrial adults).

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Correct option: A

Both (A) & (R) are true and the (R) is the correct explanation of the (A)

Option A (Both (A) & (R) are true and the (R) is the correct explanation of the (A)) is correct because amphibians' sensitivity to environmental changes makes them good indicators, and the reason explains why they are so sensitive.

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Which one of the following statements is correct for secondary succession? Find odd one out w.r.t. key functional aspects of the ecosystem. The reservoir for the gaseous type of biogeochemical cycle exists in Regarding 10% law
I. This law was put forward by Lindeman in 1942
II. According to this law, during the transfer of food energy from one tropical level to the other, only about 10% is stored at higher trophic level and the remaining 90% is lost in respiration, decomposition and waste in the form of heat
Which of the statements given above is/are correct?
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