2. Sample Papers
  3. SSC
  4. Ecology And Environment

SSC Ecology And Environment Sample Paper NCERT Sample Paper-3

  • question_answer
    Melanin protects us from

    A)  X-rays 

    B)  UV-rays

    C)  IR-rays

    D)  c-rays

    Correct Answer: B

    Solution :

    [b] Melanin is a protective pigment synthesized from tyrosine. Melanocytes under the influence of melanocyte stimulating hormone, secretes melanin, which protects us from the harmful effects of UV-rays.


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