Reaching the Age of Adolescence Class 8 MCQs Questions with Answers

1. Which hormone is secreted by adrenal glands?

2. Testosterone is a hormone found in human ___

3. Adam’s apple is

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

5. The change from larvae to adult is called

6. Reproduction age in women starts when their

7. Which is male gonads?

8. Menopause occurs at the age of

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

10. Adolescence is the period of

11. Production of thyroxin requires

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

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

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

15. What is the stoppage of menstruation called?

16. The beginning of menstruation at puberty is called

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

18. Children gain height during

19. Larynx is also called

20. Testes secrete