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NEET UG BIOLOGY MCQ: ENVIRONMENTAL ISSUES
1
Medium
1 of 1
Understanding
+4 | -1
ESP is to arrest
View answer and explanation
Correct option: B
Air pollution
Option B (Air pollution) is correct because ESPs are designed to remove particulate matter from air emissions.
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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
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(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
(iv) Phytoplankton populations in the lake declined initially thereby greatly reducing photosynthesis. Which of the following is not used for disinfection of drinking water? World most problematic aquatic weed is