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Biology · PYQ NEET UG 2017

हिन्दी

Hypersecretion of growth hormone in adults does not cause further increase in height, because

  1. growth hormone becomes inactive in adults.
  2. epiphyseal plates close after adolescence.
  3. bones lose their sensitivity to growth hormone in adults.
  4. muscle fibres do not grow in size after birth.

Correct answer · Option 2

epiphyseal plates close after adolescence.

Explanation

Once epiphyseal plates fuse and close after adolescence, bones can no longer grow in length, leading to acromegaly rather than increased height upon GH hypersecretion.
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