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Environmental C...

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  • Question 1
    1 / -0

    Increasing skin cancer and high mutation rate are the result of _______________.

  • Question 2
    1 / -0

    Read the following statements and select the correct option.


    Statement 1: Ozone layer present in the stratosphere protects the living organisms from harmful UV rays coming from the sun by absorbing nearly all of them.

    Statement 2: Ozone formed in the troposphere by photochemical reactions as a result of human activities which is harmful to all living organisms.

  • Question 3
    1 / -0

    The major ozone depleting substance out of the following is _____________.

  • Question 4
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    An effective air-pollution control equipment is an attachment that electrically attracts pollutant particles in hot, escaping gases. It is known as:

  • Question 5
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    We need fresh air for breathing. Some sources that cause pollution of air are mentioned here. Can you pick the false one?

  • Question 6
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    The two strong acids present in the acid rain are:

  • Question 7
    1 / -0

    Sulphur oxides which are responsible for major air pollution are caused by:

  • Question 8
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    An object is located at a height of 18 km from the surface of earth. The object is located in:

  • Question 9
    1 / -0

    Which of the following is not an air pollutant?

  • Question 10
    1 / -0

    Which of the following reactions is taking place resulting in discolouration of marble of the buildings like Taj Mahal?

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