MCQ Class 8 Science Chapter 7 Reaching the Age of Adolescence

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MCQ’s For All Chapters – Science Class 8th

1. Adolescence is the period of

Question 1 of 20

2. When a sperm having X-chromosome fuses with the ovum, the child born will be

Question 2 of 20

3. How many pairs of Chromosomes are found in nuclei of their cells?

Question 3 of 20

4. Children gain height during

Question 4 of 20

5. Testes secrete

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6. Adam’s apple is

Question 6 of 20

7. The chemical substances which are secreted from endocrine glands are called

Question 7 of 20

8. Out of these which one determines the sex of the baby?

Question 8 of 20

9. What is the stoppage of menstruation called?

Question 9 of 20

10. Which hormone is secreted by adrenal glands?

Question 10 of 20

11. Reproduction age in women starts when their

Question 11 of 20

12. Which is male gonads?

Question 12 of 20

13. The beginning of menstruation at puberty is called

Question 13 of 20

14. In males, the sex chromosome consists

Question 14 of 20

15. Production of thyroxin requires

Question 15 of 20

16. The period of life, when the body undergoes changes, leading to reproductive maturity, is called

Question 16 of 20

17. The human body undergoes several changes during adolescence. These changes mark the onset of

Question 17 of 20

18. Adam’s apple is prominent in

Question 18 of 20

19. Larynx is also called

Question 19 of 20

20. Acne and pimples on the face is due to secretion of

Question 20 of 20

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