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Q 1.
When tress and plants are removed from the earth which gas is removed from the atmosphere?
Ans.
Oxygen.
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Q 2.
Which gas is maximum in atmosphere?
Ans.
Nitrogen.
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Q 3.
Name the noble gas that is not present in air?
Ans.
Radon.
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Q 4.
What is the percentage 9f nitrogen in dry air?
Ans.
78%.
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Q 5.
What is the percentage 9f nitrogen in dry air?
Ans.
78%.
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Q 6.
Air is a?
Ans.
Mixture.
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Q 7.
Name the thin layer of gases around the earth is called?
Ans.
Atmosphere.
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Q 8.
Main function of solar radiation?
Ans.
In water cycle.
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Q 9.
World environment day is celebrated on?
Ans.
5th June.
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Q 10.
Environment is a composite state of?
Ans.
Biotic, Abiotic and natural factors.
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Q 11.
Name one thing that are not affected by environment protection?
Ans.
Poverty Alleviation.
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Q 12.
In which year Environment protection act was enacted in India?
Ans.
1986.
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Q 13.
Name the natural resource that are diminishing very rapidly?
Ans.
Forest.
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Q 14.
What is the main aim of sustainable development?
Ans.
To preserve the natural resources for future generations.
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Q 15.
Meaning of sanskrit word" vasudhaiv kutumbakam"?
Ans.
The entire earth is one family.
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Q 16.
Coliform is a group of bacteria where they found in human body?
Ans.
Small intestine.
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Q 17.
UNEP established in Nairobi, Kenya in which year?
Ans.
5 June 1972.
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Q 18.
In which year "The Ganga Action plan" was started?
Ans.
1985.
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Q 19.
In which year, National Mission for clean Ganga was set up?
Ans.
October 2016.
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