Free Online Mock Biology Multiple Choice Test on Biosphere |
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| Sub Category : Biosphere |
Test : 2 |
Time Left :
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| 1.Green house effect is warming due to |
(1) Infra-red rays reaching earth (2) Moisture layer in atmosphere (3) Increase in temperature due to increase in CO2 concentration of atmosphere (4) Ozone layer of atmosphere
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1 2 3 4 |
| 2.Green house gases include |
(1) CO2, CFC, CH4, and NO2 (2) CO2, O2, N2, NO2 and NH3 (3) CH4, N2, CO2 and NH3 (4) CFC, CO2, NH3 and N2
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1 2 3 4 |
| 3.The term biosphere is used for a zone containing living beings |
(1) In lithosphere, hydropshere and atmosphere (2) In lithosphere and hydrosphere (3) In hydrosphere (4) In lithosphere
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1 2 3 4 |
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4.Which is not a green house gas? ? |
| (1) Chlorofluorocarbon (2) Methane (3) CO2 (4) Hydrogen
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1 2 3 4 |
| 5.Which gas contributes most to green house effect ? |
(1) CFC (2) Freon (3) CO2 (4) CH4
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1 2 3 4 |
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  2 3 4 5 |
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