Multiple Choice Questions on With reference to Marine Heat Waves MHW consider the following statements It occurs when the surface........... for UPSC Civil Services Examination (General Studies) Preparation

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Multiple Choice Questions

With reference to Marine Heat Waves MHW consider the following statements It occurs when the surface...........

Environment and Ecology Envirnment and Climate Change
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    With reference to Marine Heat Waves (MHW), consider the following statements

    1. It occurs when the surface temperature of a particular region of the sea rises to 3 or 4 degrees Celsius above the average temperature for at least five days.

    2. Higher ocean temperatures, associated with MHWs, can make storms like hurricanes and tropical cyclones stronger. 

    3. MHWs have little influence on the development of marine invasive alien species..

    Select the correct statement.

    1&2 only

    Correct Answer

    2&3 only

    Incorrect Answer

    1&3 only

    Incorrect Answer

    All of the above

    Incorrect Answer
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    Explanation:

    Only statements 1&2 are correct.

    • MHW occurs when the surface temperature of a particular region of the sea rises to 3 or 4 degrees Celsius above the average temperature for at least five days. Higher ocean temperatures, associated with MHWs, can make storms like hurricanes and tropical cyclones stronger. 

    • MHWs also fuel the growth of invasive alien species, which can be destructive to marine food webs.

    Hence option 1st is correct.

    By: Shubham Tiwari
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