Paper 1 · People, Development and Environment
UGC NET December 2023 (08.12.2023) Shift-II
If a water body is healthy and supports no significant biological activity, then its condition is called:
AHypotrophic
BMesotrophic
CEutrophic
DOligotrophic ✓ Correct
Correct answer: (D) Oligotrophic — A healthy water body with little biological activity is oligotrophic, so that is the answer.
Explanation
★A healthy water body with little biological activity is oligotrophic, so that is the answer.
★Water bodies are classified by their nutrient content.
★Oligotrophic water is low in nutrients and supports little biological growth.
★Its clear, low-productivity condition matches a healthy water body.
★Eutrophic water is nutrient-rich and supports heavy biological activity.
★Mesotrophic water is intermediate, so the correct term here is oligotrophic.
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