JEE Main 202124 FebruaryMorning Shift

Exam: JEE Main
Year: 2021
Date: 24 February
Shift: Morning Shift
Subject: Chemistry
Chapter: Environmental Chemistry

JEE Main 2021 · 24 February · Morning Shift · Chemistry · Environmental Chemistry

The gas released during anaerobic degradation of vegetation may...

The gas released during anaerobic degradation of vegetation may lead to:

Options

ACorrosion of metals
BOzone hole
CGlobal warming and cancer
DAcid rain

Correct answer

C. Global warming and cancer

Step-by-step solution

The gas ${CH}_{4}$ evolved due to anaerobic degradation of vegetation, which causes global warming and cancer.

Anaerobic degradation means the breakdown in the absence of oxygen. During anaerobic degradation of vegetation, CH₄ is produced, which is responsible for global warming as it absorbs sun’s heat. It is also known to cause cancer.

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