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Refer to the given set of secondary sexu...

Refer to the given set of secondary sexual characteristics.
I. Enlargement of breasts
II. Development of Adam's apple
III. Deepening of voice
IV. Growth of pubic hair
V. Widening of pelvis
How many of these are related to females only?

A

3

B

4

C

2

D

5

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question regarding secondary sexual characteristics and how many are related to females only, we will analyze each characteristic listed: 1. **Enlargement of breasts**: This characteristic is primarily associated with females as it is a development that occurs during puberty due to hormonal changes. 2. **Development of Adam's apple**: This characteristic is primarily associated with males. The Adam's apple is a prominent feature of the larynx that develops during male puberty. 3. **Deepening of voice**: This is also a characteristic primarily associated with males. The deepening of voice occurs due to the growth of the larynx and vocal cords during male puberty. 4. **Growth of pubic hair**: This characteristic is common to both males and females. Both genders experience the growth of pubic hair during puberty. 5. **Widening of pelvis**: This characteristic is primarily associated with females. The widening of the pelvis occurs during female puberty to prepare for childbirth. Now, let's summarize the characteristics related to females only: - Enlargement of breasts (female) - Widening of pelvis (female) Thus, the characteristics that are related to females only are 2 in total. **Final Answer**: 2 characteristics are related to females only. ---
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