UPSC Ecology And Environment Current Ecological Developments Question Bank Current Ecological Developments

  • question_answer
    Which of the following resulted in the reduction of the number of dolphins from Ganga.

    A) Construction of dams

    B) water pollution

    C) industrial effluents

    D) all the above

    Correct Answer: D

    Solution :

    Ganga has been altered by the construction of more than 50 dams and other irrigation-related projects, with severe consequences for the river dolphins. The population of the Ganges River Dolphin has declined to less than 1,800 from 6,000 in 1982 due to construction of dams and water pollution caused by pesticides, fertilizers, and industrial effluents.

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