Class 8 Science Chapter 7 MCQ Question Answer of Reaching the Age of Adolescence NCERT Solution in Hindi. NCERT Class 8 Science Question Answer and Important Question Answer, Textual Question answer also Available for Various Board Students like HBSE, CBSE, UP board, Mp Board, RBSE and some other State Boards.
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NCERT Solution for Class 8 Science Chapter 7 Reaching the Age of Adolescence MCQ Question Answer.
Reaching the Age of Adolescence Class 8 MCQ Question Answer
1. Adolescence begin at the age of ?
(a) 5 years
(b) 11 years
(c) 13 years
(d) 19 years
Answer
Ans. (b) 11 years
2. Which of the following is not a change in Puberty?
(a) Increase in height
(b) Change in body shape
(c) Voice Change
(d) Decrease emotional maturity
Answer
Ans. (d) Decrease emotional maturity
3. What is the name of Male Hormone?
(a) Estrogen
(b) Testosterone
(c) Thyroxine
(d) Insulin
Answer
Ans. (b) Testosterone
4. What is the name of Female Hormone?
(a) Estrogen
(b) Testosterone
(c) Thyroxine
(d) Insulin
Answer
Ans. (a) Estrogen
5. What is the name of the gland that secretes growth hormone?
(a) Pituitary gland
(b) Thyroid gland
(c) Adrenal gland
(d) Pancreas
Answer
Ans. (a) Pituitary gland
6. What is the name of the gland that secretes thyroxine hormone?
(a) Pituitary gland
(b) Thyroid gland
(c) Adrenal gland
(d) Pancreas
Answer
Ans. (b) Thyroid gland
7. What is the name of the gland that secretes Insulin hormone?
(a) Pituitary gland
(b) Thyroid gland
(c) Adrenal gland
(d) Pancreas
Answer
Ans. (d) Pancreas
8. What is the name of the gland that secretes adrenalin hormone?
(a) Pituitary gland
(b) Thyroid gland
(c) Adrenal gland
(d) Pancreas
Answer
Ans. (c) Adrenal gland
9. Diabetes disease is caused by which gland?
(a) Pituitary gland
(b) Thyroid gland
(c) Adrenal gland
(d) Pancreas
Answer
Ans. (d) Pancreas
10. Human beings have how many pairs of chromosomes?
(a) 13 pairs
(b) 23 pairs
(c) 33 pairs
(d) 46 pairs
Answer
Ans. (b) 23 pairs
11. What is the name of male sex chromosomes?
(a) XX
(b) XY
(c) YY
(d) None
Answer
Ans. (b) XY
12. What is the name of female sex chromosomes?
(a) XX
(b) XY
(c) YY
(d) None
Answer
Ans. (a) XX