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UPSC Ecology And Environment Environmental Issue And Environmental Pollution Question Bank Environmental Issues

  • question_answer
    Which of the following statements about radioactive pollution are correct?
    1. It causes genetic changes in the animals.
    2. It causes disbalance among different minerals in the soil.
    3. It hinders blood circulation.
    4. It causes cancers.
    Select the correct answer from the codes given below: Codes:

    A)  1 and 2           

    B)  1 and 4

    C)  1, 3 and 4                    

    D)  2, 3 and 4

    Correct Answer: B

    Solution :

    Radioactive contamination or pollution causes severe life- threatening consequences in organisms. Because of the radioactive decay of the contaminants, which emit harmful ionising radiation such as alpha or beta particles, gamma rays or neutrons, genetic mutations occur which are hereditary. Carcinogenic contaminants cause cancers.


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