Botany - Environmental Issues Question with Solution | TestHub
BotanyEnvironmental IssuesPollutionEasy2 minPYQ_2020
BotanyEasysingle choice
Sound becomes hazardous noise pollution at level
Options:
Answer:
B
Solution:
Above 80 dB sound becomes hazardous. Noise pollution, also known as environmental noise or sound pollution, is the propagation of noise with harmful impact on the activity of human or animal life. The source of outdoor noise worldwide is mainly caused by machines, transport and transportation systems.
Stream:NTA_ABHYAS_NEETSubject:BotanyTopic:Environmental IssuesSubtopic:Pollution
⏱ 2mℹ️ Source: PYQ_2020
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