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 animalsThis question was addressed to me during a job interview.My enquiry is from Environmental Issues in division Environmental Issues of Biology – Class 12

What happens when water is deoxygenated due to algal growth?(a) Increa

1.	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 animalsThis question was addressed to me during a job interview.My enquiry is from Environmental Issues in division Environmental Issues of Biology – Class 12
Answer» 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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