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VGS PUBLICATION-BRILLIANT-BIO GEOCHEMICAL CYCLES-EXERCISE
- The elements that is common among proteins, DNA, RNA and Alkaloids …….
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- The colour of ozone is ……
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- Which of the following is not a green house gas?
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- The percentage of CO2 in the atmosphere is
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- Oxygen is returned to the atmosphere mainly by
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- Ozone layer is getting depleted because of
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- Which of the following is a green house gas?
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- Montreal protocol substances on
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- The main source of CFCs…………
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- Montreal protocol singed by 24 countries in the year……….
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- Copenhagen meeting on revise of montreal protocol was held in the year
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- Direct exposure of U.V radiation causes
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- The ozone hole is observed here
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- These crops increase soil fertility
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- Symbiotic bacteria that fixes the nitrogen is ……
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- Carbon burried under the ocean floor might take this much of time to r...
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- The atmospheric layer continues from 10 km to about 50 km is ……
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- Which of the following is an inert gas?
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- Large amount of fresh water is present in
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- Very few animals and plants are present in deserts. Because
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