Ozone is a form of oxygen with atoms in number:

1. 1
2. 2
3. 3
4. 4
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Answer: C
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Ozone is a form of gas:

1. Oxygen
2. Carbon Dioxide
3. Methane
4. Sulphur Dioxide
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Answer: A
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The depletion of Ozone Layer is caused by the gas:

1. Carbon Monoxide
2. Nitrogen Oxide
3. Sulphur Dioxide
4. Chloroflurocarbon
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Answer: D
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Sunburn, cataract, aging of the skin and skin cancer are caused by:

1. Ultraviolet Radiation
2. X-Rays
3. Infrared Radiation
4. Gamma Rays
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Answer: A
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Greenhouse Effect refers to:

1. Cooling of Earth
2. Trapping of UV Rays
3. Warming of Earth
4. Cultivation of Plants
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Answer: B
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Greenhouse Effect is caused by rising global temperature of an average ___ by 2100:

1. 3°C
2. 4°C
3. 5°C
4. 6°C
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Answer: A
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Greenhouse Gases are:

1. Carbon Monoxide, Carbon Dioxide, Methane & Nitrogen
2. Carbon Monoxide, Sulphur Dioxide, Nitric Oxide & Methane
3. Carbon Dioxide, Nitrogen Oxides, Methane & CFC
4. Carbon Dioxide, Sulphur Dioxide, CFC & Methane
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Answer: D
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One of the following is not a Greenhouse Gas:

1. Sulphur Dioxide
2. Nitrogen
3. Carbon Dioxide
4. Methane
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Answer: B
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In the Polar Regions the rises in temperature caused by ______ would have disastrous effects:

1. Global Warming
2. Greenhouse Effect
3. CFC
4. Carbon Monoxide
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Answer: A
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In the past 200 years concentrations of CO2 in the atmosphere increased nearly:

1. 30%
2. 40%
3. 50%
4. 60%
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Answer: C
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