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NEET UG BIOLOGY MCQ: ENVIRONMENTAL ISSUES
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Which are sensitive to pollution?
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Correct option: C
Lichen
Option C (Lichen) is correct because lichens are highly sensitive to pollution and used as bioindicators.
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(ii) The area was sprayed with DDT by an aircraft
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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