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Environmental I...

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  • Question 1
    1 / -0

    High concentration of greenhouse gases has resulted in maximum rise of atmospheric temperature in 

  • Question 2
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    Ozone depletion is occurring widely in ______________.

  • Question 3
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    Increasing skin cancer and high mutation rate are the result of _______________.

  • Question 4
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    Phosphate pollution is brought about by

  • Question 5
    1 / -0

    Which of the following statements is correct?   

  • Question 6
    1 / -0

    Which of the following is correct regarding 'El Nino' effect?

  • Question 7
    1 / -0

    Which of the following are the correct approaches to reduce global warming ?
    (i)   Use of fossil fuels 
    (ii)   Improving efficiency of energy usage 
    (iii)  Afforestation
    (iv)  Increasing growth of human population

  • Question 8
    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 9
    1 / -0

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

  • Question 10
    1 / -0

    The graph given below represents changes in different ecological parameters due to effluent mixing in a stream. The three lines A, B and C represent 

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