Reaching the Age of Adolescence Class 8 MCQs Questions with Answers

1. What is the stoppage of menstruation called?

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

3. Reproduction age in women starts when their

4. The beginning of menstruation at puberty is called

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

6. Menopause occurs at the age of

7. The change from larvae to adult is called

8. Production of thyroxin requires

9. Which hormone is secreted by adrenal glands?

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

11. Children gain height during

12. Which is male gonads?

13. Adolescence is the period of

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

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

16. Larynx is also called

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

18. Adam’s apple is

19. Testosterone is a hormone found in human ___

20. Testes secrete