Q. What is used as a radioactive tracer?

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Q. Hydrogen atoms, having same number of protrons, but a different number of neutrons, known as:

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Q. Melting of ice and snow increases amount of water in the:

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Q. Earth's atmosphere is primary composed of nitrogen and

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Q. Chloroflouorocarbon (CFCs) atmospheric lifetime is about:

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Q. When People are being forced to leave their homes, resulting migration is known as:

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Q. In transpiration process, water transfers from plants to:

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Q. 'Deforestation' also causes:

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Q. 'Phytoplankton' is a small forms of plant life, usually live in:

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Q. Proton is a positively charged component of the:

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Q. Ozone layer is positioned in the:

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Q. Precautionary Principle, prevention is better than cure, notion is applied to

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Q. 'GWP' stands for

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Q. 'DOM' stands for

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Q. Sources of methane in atmsphere are biomass burning, enteric fermentation and:

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Q. Chlorofluorocarbons are synthetic compounds used extensively for:

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Q. When did green Revolution start?

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Q. IPCC, introduced concept of Global Warming Potentials in:

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Q. A compound, consist of atom of two or more of elements, along with a chemical combination of:

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Q. 'CFCs' are used in fire extinguishers and as propellants in:

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