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

  • question_answer
    There is a concern, over the increases in harmful algal blooms in the seawaters of India. What could be the causative factors for this phenomenon?
    1. Discharge of nutrients from the estuaries.
    2. Run-off from the land during the monsoon.
    3. Upwelling in the seas.
    Select the correct answer from the codes given below:

    A)  1 only             

    B)  1 and 2

    C)  2 and 3           

    D)  1, 2 and 3

    Correct Answer: D

    Solution :

    There is no single factor which cause an algal bloom. A combination of optimum factors such as the presence of good nutrients, warm temperatures, surface runoff, upwelling in the sea can all contribute harmful algal blooms.


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