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NEET UG BIOLOGY MCQ: ENVIRONMENTAL ISSUES
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Which of the following is not a major contributor to the greenhouse effect?
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Correct option: B
Carbon monoxide
Option B (Carbon monoxide) is correct because carbon monoxide is not a major contributor to the greenhouse effect compared to carbon dioxide, CFCs, and methane.
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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