NEET UG BIOLOGY MCQ: ENVIRONMENTAL ISSUES

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Restoring a forest cover over an area where one existed earlier but was removed at some point of time in the past is called

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Correct option: A

Reforestation

Option A (Reforestation) is correct because reforestation is the process of restoring forest cover in an area where it previously existed but was removed.

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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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