Which of the following is not a secondary sexual character in males?

The correct option is C

High pitch voice.

The correct option is C.

Explanation for Correct option:

Male secondary sexual characteristics includes:

1. Growth of body hair, including underarm, abdominal, chest hair and pubic hair.
2. Growth of facial hair.
3. Enlargement of larynx also called Adam's apple and deepening of voice.
4. Increased stature so adult males are taller than adult females.
5. Heavier skull and bone structure.
6. High pitch is the characteristic of female and not male.

Final answer: High pitch voice is not a secondary sexual character in males.