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Frequent occurrence of water blooms in a...

Frequent occurrence of water blooms in a lake indicates

A

Nutrient deficiency

B

Oxygen deficiency

C

Excessive nutrient availability

D

Absence of herbivores in the lake

Text Solution

Verified by Experts

The correct Answer is:
B
In polluted water nitrogen and phosphorus (from sewage) are accumulated which results in excessive growth of algae on water surface. Excessive growth of algae called water bloom. Due to death and decomposition of organic matter `O_2` not available to aquatic animals.
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