NEET Biology Environmental Issue And Environmental Pollution Question Bank Self Evaluation Test - Environmental Issues

  • question_answer
    Which of the following phenomenon is represented by the given figure?

    A) Green-house effect                     

    B) El Nino effect

    C) Ozone hole                                

    D) Eutrophication

    Correct Answer: A

    Solution :

    [a] The given figure shows the phenomenon of greenhouse effect. Greenhouse effect is a naturally occurring phenomenon that is responsible for heating of earth surface and atmosphere. The sunlight or solar energy when enters atmosphere, about \[{}^{1}/{}_{4}\] of it is reflected back due to clouds and gases in the outermost atmosphere, some of it is absorbed, and about half of solar radiation falls on the earth surface for heating it, though a small proportion of it is reflected back from earth.


You need to login to perform this action.
You will be redirected in 3 sec spinner