Previous year MCQs

General science UPPSC 2020 GS-I
Question

The movement of nutrient elements through the various components of an ecosystem is called.

Answer & Solution

Answer: (Detailed Solution Below)

Option A: Bio-geo-chemical cycle

Detailed Solution:

The correct answer is “Bio-geo-chemical cycle”.
The movement of nutrient elements through the various components of an ecosystem is called bio-geo-chemical cycle.

This cycle involves the circulation of essential elements like carbon, nitrogen, phosphorus, sulfur, etc., between the living organisms (biosphere), the earth's crust (lithosphere), the atmosphere, and the water bodies (hydrosphere).

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