JEE Main 2022 · 25 Jun · Shift 1 · Chemistry Q70

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ChemistrySingle correct+4 / -1Question 70 of 90

The eutrophication of water body results in :

loss of Biodiversity.

breakdown of organic matter.

increase in biodiversity.

decrease in BOD.

Answer and worked solution

Official answer: A

Eutrophication. Excess nutrients cause algal blooms; their decay uses up dissolved oxygen (raising BOD), and fish and other life die: loss of biodiversity.

(A)

Topics:Water and soil pollution

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JEE Main 2022 · 25 Jun · Shift 1, Chemistry question 70