Question : There is a need to keep a larger area under forests for:
Option 1: absorption of carbon dioxide
Option 2: protecting wildlife
Option 3: raising percipitation
Option 4: geological balance
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Correct Answer: absorption of carbon dioxide
Solution : The correct answer is absorption of carbon dioxide.
Forests are vital for maintaining ecological balance, livelihood of various animals and sustenance of life, but the main function of forests is carbon sequestration. Forests absorb the carbon dioxide and release oxygen because of which they act as a big carbon sink. Plants perform photosynthesis in which they take up carbon dioxide and sunlight and covert it into glucose. In this process they take up excess carbon dioxide from atmosphere and keep it under ambient levels for sustenance of life.
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Question : The gas causing acid rain in an industrial area is
Option 1: carbon dioxide
Option 2: carbon monoxide
Option 3: sulphur dioxide
Option 4: methane
Question : The area reserved for the welfare of wildlife is called:
Option 1: sanctuary
Option 2: forests
Option 3: national park
Option 4: botanical garden
Question : The gas produced in marshy places due to decomposition of vegetation is
Option 1: Carbon monoxide
Option 2: Carbon dioxide
Option 3: Sulphur dioxide
Option 4: Methane
Question : The gas used to extinguish fire is
Option 1: Neon
Option 2: Nitrogen
Option 3: Carbon dioxide
Option 4: Carbon monoxide
Question : The gas dissolved in water that makes it basic is:
Option 1: Ammonia
Option 2: Sulphur Dioxide
Option 3: Hydrogen
Option 4: Carbon Dioxide
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