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NEET UG BIOLOGY MCQ: ENVIRONMENTAL ISSUES
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Which one of the following is a wrong statement?
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Correct option: D
Ozone in upper part of atmosphere is harmful to animals
Option D (Ozone in upper part of atmosphere is harmful to animals) is correct because ozone in the stratosphere is beneficial as it absorbs harmful UV radiation, protecting animals and other life forms.
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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