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Earn 100

Which gases are responsible for increasing the temperature of atmosphere?

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Important Questions on Environmental Issues

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Which of the following protocols did aim for reducing emission of chlorofluorocarbons into the atmosphere?
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The highest DDT concentration in aquatic food chain shall occur in
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Chlorofluorocarbons (CFCs) are believed to be associated with cancers because:
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Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancers?
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Which, among grass, goat, tiger and vulture, in a food chain, will have the maximum concentration of harmful chemicals in its body due to contamination of pesticides in the soil?
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Which one of the following human activities has contributed as deforestation by northeastern sides of India?
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An increase in the concentration of the toxicant at successive trophic levels is known as:
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Match the following:

  List - 1   List -2
A) Carbon monoxide I) Global warming
B) Carbon dioxide II) UV - rays
C) Sulphur dioxide III) Eutrophication
D) Ozone depletion IV) Acid rain
    V) Oxygen transport

The correct match is

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The biomagnification of which pollutant causes a decline in the bird population?
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The maximum concentration of harmful chemicals is expected to be found in organisms
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In an area where DDT has been used extensively, the population of birds declined significantly because -
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Which of the following is not one of the prime health risks associated with greater UV radiation through the atmosphere due to depletion of stratospheric ozone?
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Which of the following pairs of gases is mainly responsible for green house effect?