Botany - Environmental Issues Question with Solution | TestHub
BotanyEnvironmental IssuesPollutionMedium2 minPYQ_2008
BotanyMediumsingle choice
A lake near a village suffered heavy mortality of fishes within a few days. Consider the following reasons for this?
Options:
Answer:
A
Solution:
Part of fertilizers added to crop fields are passed down to water bodies during rains through surface run-off. Presence of extra nutrients brings about dense growth of plant and animal life. The phenomenon is called eutrophication. Eutrophication leads to organic loading, depletion of oxygen, death of animals and fouling of water.
Stream:AIIMSSubject:BotanyTopic:Environmental IssuesSubtopic:Pollution
⏱ 2mℹ️ Source: PYQ_2008
Doubts & Discussion
Loading discussions...
