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NEET UG BIOLOGY MCQ: ENVIRONMENTAL ISSUES
1
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Peroxy Acetyl Nitrate, a class of hazardous air pollutants, stems from
I. II. III. IV. HC
I. II. III. IV. HC
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Correct option: D
II and IV
Option C (III and IV) is correct because Peroxy Acetyl Nitrate (PAN) is formed from the reaction of nitrogen oxides (NOx) and hydrocarbons (HC) in the presence of sunlight.
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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