Frequent occurrence of water blooms in a lake indicatesA. Nutrient deficiencyB. Oxygen deficiencyC. Excessive nutrient availabilityD. Absence of herbivores in the lake

Frequent occurrence of water blooms in a lake indicatesA. Nutrient def

1.	Frequent occurrence of water blooms in a lake indicatesA. Nutrient deficiencyB. Oxygen deficiencyC. Excessive nutrient availabilityD. Absence of herbivores in the lake
Answer» Correct Answer - 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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Frequent occurrence of water blooms in a lake indicatesA. Nutrient deficiencyB. Oxygen deficiencyC. Excessive nutrient availabilityD. Absence of herbivores in the lake

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