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NEET UG BIOLOGY MCQ: ENVIRONMENTAL ISSUES
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Green house effect is the cumulative result of the influences of certain gases. Identify the gas, which is not involved in this influence?
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Correct option: C
Nitrogen
Option C (Nitrogen) is correct because nitrogen is not a greenhouse gas and does not contribute to the greenhouse effect.
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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