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NEET UG BIOLOGY MCQ: ENVIRONMENTAL ISSUES
1
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Which of the following is not shortwave radiation?
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Correct option: B
Radio waves
Option B (Radio waves) is correct because radio waves are a form of longwave radiation, unlike X-rays, Ultra-violet rays, and Cosmic rays which are shortwave radiations.
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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