Reaching the Age of Adolescence Class 8 MCQs Questions with Answers

1. Children gain height during

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

3. The beginning of menstruation at puberty is called

4. Reproduction age in women starts when their

5. The change from larvae to adult is called

6. When a sperm containing Y chromosome fertilizes an egg with X chromosome, the zygote develops into a _____ child

7. Production of thyroxin requires

8. Menopause occurs at the age of

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

10. Testes secrete

11. What is the stoppage of menstruation called?

12. Testosterone is a hormone found in human ___

13. Adam’s apple is

14. Adolescence is the period of

15. Which is male gonads?

16. Which hormone is secreted by adrenal glands?

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

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

19. Larynx is also called

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