JEE Main 2015 — Environmental Chemistry Question with Solution
JEE Main 2015 (11 Apr Online)
Question
Addition of phosphate fertilizers to water bodies causes:
Choose an option
Show full solutionCorrect option: B
Correct answer
BEnhanced growth of algae
Step-by-step explanation
Addition of phosphate fertilizers or other fertilizers to water bodies causes enrichment in nutrients, this phenomenon is called Eutrophication. Increase in nutrients enhanced growth of algae (vegetation) which cause consume of dissolved oxygen. Hence decrease in quantity of dissolved oxygen, effects the life of aqua-animals or other vegetation. So Eutrophication is a types of water pollution.
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This is a previous-year question from JEE Main 2015, covering the Environmental Chemistry chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.