A

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Q. Which hormone regulates sleep cycle?

  • (A) Melatonin
  • (B) Insulin
  • (C) Thyroxine
  • (D) Estrogen
  • Correct Answer - Option(A)
  • Views: 17
  • Filed under category Biology
  • Hashtags: NEET

Explanation by: Admin

Melatonin controls circadian rhythm.

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