Adolescence: A Stage of Growth and Change Part 1: MCQs (Q1–Q25)

📘 Chapter 6 – Adolescence: A Stage of Growth and Change

🔹 Part 1: Puberty (Q1–Q25)

Q1. The stage of life between childhood and adulthood is called:

A) Infancy
B) Puberty
C) Adolescence
D) Maturity

✅ Answer: C) Adolescence

Explanation:

(A) Infancy → Birth to 2 years.
(B) Puberty → Beginning of adolescence.
(C) Adolescence → Stage between childhood and adulthood (Correct).
(D) Maturity → Adult stage.

Q2. Puberty usually begins between the ages of:

A) 2–5 years
B) 6–10 years
C) 10–19 years
D) 20–25 years

✅ Answer: C) 10–19 years

Explanation: Adolescence as per WHO is 10–19 years. Puberty starts in early teens.

Q3. The period of rapid physical growth is called:

A) Childhood
B) Adolescence
C) Old age
D) Infancy

✅ Answer: B) Adolescence

Q4. Which hormones are responsible for puberty in boys and girls?

A) Thyroxine and Insulin
B) Testosterone and Estrogen
C) Adrenaline and Insulin
D) None

✅ Answer: B) Testosterone and Estrogen

Explanation:

Testosterone → Male hormone.
Estrogen → Female hormone.

Q5. The first sign of puberty in boys is:

A) Menstruation
B) Voice breaking
C) Growth of facial hair
D) Enlargement of testes

✅ Answer: D) Enlargement of testes

Q6. The first sign of puberty in girls is:

A) Growth of facial hair
B) Voice breaking
C) Breast development
D) Growth of beard

✅ Answer: C) Breast development

Q7. Which gland secretes growth hormone?

A) Pancreas
B) Pituitary gland
C) Thyroid gland
D) Adrenal gland

✅ Answer: B) Pituitary gland

Q8. Which organ system shows maximum changes at puberty?

A) Digestive system
B) Reproductive system
C) Respiratory system
D) Nervous system

✅ Answer: B) Reproductive system

Q9. Which hormone regulates metabolism?

A) Testosterone
B) Estrogen
C) Thyroxine
D) Insulin

✅ Answer: C) Thyroxine

Q10. Which of the following is NOT a change at puberty?

A) Increase in height
B) Development of reproductive organs
C) Greying of hair
D) Change in voice

✅ Answer: C) Greying of hair

Q11. Puberty occurs earlier in:

A) Boys
B) Girls
C) Both at same age
D) Cannot be determined

✅ Answer: B) Girls

Explanation: Girls generally enter puberty 1–2 years before boys.

Q12. Which hormone is secreted by testes?

A) Estrogen
B) Testosterone
C) Insulin
D) Thyroxine

✅ Answer: B) Testosterone

Q13. Which hormone is secreted by ovaries?

A) Estrogen
B) Testosterone
C) Insulin
D) Thyroxine

✅ Answer: A) Estrogen

Q14. Which of these is a secondary sexual characteristic in boys?

A) Menstruation
B) Facial hair growth
C) Breast development
D) Ova production

✅ Answer: B) Facial hair growth

Q15. Secondary sexual characteristics in girls include:

A) Beard growth
B) Breast development
C) Voice cracking
D) Production of sperm

✅ Answer: B) Breast development

Q16. Which gland is called the “master gland”?

A) Adrenal
B) Thyroid
C) Pituitary
D) Pancreas

✅ Answer: C) Pituitary

Q17. Hormones are secreted directly into:

A) Nerves
B) Blood
C) Brain
D) Stomach

✅ Answer: B) Blood

Q18. Which change is common to both boys and girls at puberty?

A) Facial hair
B) Voice cracking
C) Increase in height
D) Menstruation

✅ Answer: C) Increase in height

Q19. Acne and pimples during adolescence are due to overactivity of:

A) Sweat glands
B) Oil glands
C) Pituitary gland
D) Both A and B

✅ Answer: D) Both A and B

Q20. Which vitamin helps in bone growth?

A) Vitamin A
B) Vitamin B
C) Vitamin C
D) Vitamin D

✅ Answer: D) Vitamin D

Q21. The voice box is also known as:

A) Pharynx
B) Larynx
C) Trachea
D) Epiglottis

✅ Answer: B) Larynx

Q22. Adam’s apple develops in:

A) Girls
B) Boys
C) Both
D) None

✅ Answer: B) Boys

Q23. Which hormone controls sugar level in blood?

A) Estrogen
B) Insulin
C) Testosterone
D) Thyroxine

✅ Answer: B) Insulin

Q24. Which part of the body shows faster growth during puberty?

A) Legs and arms
B) Nails
C) Hair
D) Ears

✅ Answer: A) Legs and arms

Q25. Which system matures at puberty and enables reproduction?

A) Circulatory system
B) Nervous system
C) Reproductive system
D) Excretory system

✅ Answer: C) Reproductive system

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