UPSC Prelims GS Mock Test - 2025

Question 89
MEDIUMCorrect: +2Incorrect: -2

Consider the following statements regarding mercury pollution :
1. Gold mining activity is a source of mercury pollution in the world.
2. Coal-based thermal power plants cause mercury pollution.
3. There is no known safe level of exposure to mercury.
How many of the above statements are correct?

    a
    Only one
    b
    Only two
    c
    All three
    d
    None