Paper 1 · People, Development and Environment
UGC NET December 2023 (11.12.2023) Shift-I
When a water body is deficient in nutrients, it is known as:
AOligotrophic ✓ Correct
BEutrophic
CMesotrophic
DDystrophic
Correct answer: (A) Oligotrophic — A nutrient-deficient water body is oligotrophic, so the answer is oligotrophic.
Explanation
★A nutrient-deficient water body is oligotrophic, so the answer is oligotrophic.
★An oligotrophic water body is poor in plant nutrients.
★It usually has clear water with abundant oxygen in the deeper parts.
★A eutrophic water body, by contrast, is rich in nutrients.
★A mesotrophic water body has a moderate level of nutrients.
★A dystrophic water body has brown acidic water high in dissolved humus.
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