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What happens when water is deoxygenated due to algal growth?

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in Biology – Class 12 by (271k points)
What happens when water is deoxygenated due to algal growth?

(a) Increase in the number of fishes

(b) Increase in the number of aquatic plants

(c) Eutrophication

(d) Death of aquatic animals

This question was addressed to me during a job interview.

My enquiry is from Environmental Issues in division Environmental Issues of Biology – Class 12

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The correct option is (d) Death of aquatic animals

The explanation is: The excessive richness of nutrients in a water body leads to an acceleration in the growth of algae and the natural aging of the lake. This excess growth deoxygenates water leading to the death of aquatic life.

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