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NEET UG BIOLOGY MCQ: ENVIRONMENTAL ISSUES
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Which of the following process is a cyclic, zero-waste procedure where waste products from one process are cycled in as nutrients for other processes, allowing maximum utilisation of resources and increasing the efficiency of production?
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Correct option: B
Organic farming
Option B (Organic farming) is correct because it emphasizes cyclic, zero-waste procedures.
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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