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NEET UG BIOLOGY MCQ: ENVIRONMENTAL ISSUES
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Which one of the following is a major pollutant of automobile gases?
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Correct option: A
Carbon monoxide
Option A (Carbon monoxide) is correct because carbon monoxide is a major pollutant released by automobiles due to incomplete combustion of fuel.
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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