1. MALE- Cracking of voice, appearance of beard, secretion of testosterone, growth of hair in armpit. FEMALE- onset of monthly periods, enlargement of breasts, appearance of hair in armpits, widening in hip region.

2. MALE- growth of hair on scalp, excess secretion of digestive enzymes, increase in circulation in skin, enlargement of voice box. FEMALE- More secretion of keratin for hair growth, lightening of skin, more secretion of salivary amylase, darkening of pupil in eyes.

Which of the above are true in regards to sexual maturation?

Only 1

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Only 2

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Both 1 and 2

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Both are wrong

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Solution

The correct option is A
Only 1

Changes mentioned in group A happen in both males and females.

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Similar questions

Word game: Use the clues to work out the words.

Across

3. Protruding voice box in boys

4. Glands without ducts

7. Endocrine gland attached to brain

8. Secretion of endocrine glands

9. Pancreatic hormone

10. Female hormone

Down

1. Male hormone

2. Secretes thyroxin

3. Another term for teenage

5. Hormone reaches here through blood stream

6. Voice box

7. Term for changes at adolescence

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