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Which of the following is not caused as a result of the altered primary productivity of water bodies?

(a) Algal blooms

(b) Adverse health effects

(c) Reduction in water quality

(d) Increase in water quality

I had been asked this question at a job interview.

My doubt stems from Microbial Processes in Wastewater Treatment in chapter Biological Treatment of Waste Water of Environmental Biotechnology

1 Answer

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Best answer
Correct choice is (d) Increase in water quality

To elaborate: Algal blooms causes the reduction in nutrient quality of the water which affects the biological life in water, aquatic organism consumed by humans may cause adverse health effects, there is reduction in water quality, and all of these is caused due to altered primary productivity of water bodies, this never leads to increase in water quality.

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