SSC General Science & Technology Sample Paper NCERT Sample Paper-1

  • question_answer
    In some arotic and alpine regions, the snow appears red. This 'red snow' phenomenon is caused by:

    A)  Reflection of red light

    B)  Florescence

    C)  Growth of an alga

    D)  Growth of a red-flowered plant

    Correct Answer: C

    Solution :

    [c] This effect is due to cold-loving, fresh-water algae known as Chlamydomonas nivalis that contain a bright red pigment. Also known as 'watermelon snow', it is 'most common during the summertime in high alpine areas as well as along coastal polar regions'.

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