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Which hormone is primarily responsible for the deepening of voice in adolescent boys?

medium MCQ 3 marks Class 8 · Science · Reaching the Age of Adolescence
  1. (A) Estrogen
  2. (B) Progesterone
  3. (C) Testosterone
  4. (D) Growth hormone
Answer
(C) Testosterone

The correct answer is (C) Testosterone — 5. Confirm that other hormones listed are not primary drivers of voice deepening.

Step-by-step solution

  1. 1. Recall that deepening of voice is due to enlargement of the larynx and lengthening of vocal cords.
  2. 2. Identify the hormone that stimulates this growth in males during puberty.
  3. 3. Recognise that testosterone, secreted by the testes, causes the growth of male secondary sexual characteristics including the larynx.
  4. 4. Match this hormone to option (C).
  5. 5. Confirm that other hormones listed are not primary drivers of voice deepening.
Common mistake: Selecting estrogen or growth hormone instead of testosterone

Concept tested: Hormonal influence on puberty

Published · How this solution was prepared and checked

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