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NEET UG BIOLOGY MCQ: ENVIRONMENTAL ISSUES
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The effect of hydrogen sulphide on man leads to which of the following diseases?
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Correct option: A
Paralysis
Option A (Paralysis) is correct because hydrogen sulphide (H2S) exposure can lead to paralysis due to its neurotoxic effects.
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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