NEET UG BIOLOGY MCQ: ENVIRONMENTAL ISSUES

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Which of the following compounds are well known for biological magnification?

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Correct option: C

Both (1) and (2)

Option C is correct because both DDT and mercury are well-known for their ability to undergo biological magnification, increasing in concentration as they move up the food chain.

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Supreme court of India has ordered the Delhi government to take measures to improve the quality of air. The government started to use _________________ in public fleet. The unfavorable alteration of environment due to human activities is termed as The polluting strength of sewage is usually characterized by its A lake near a village suffered heavy mortality of fishes with in a few days. Consider the following reasons for this.
(i) Lost of urea and phosphate fertilizer were used in the crops in the vicinity
(ii) The area was sprayed with DDT by an aircraft
(iii) The lake water turned green and stinky
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