Reaching the Age of Adolescence Class 8 MCQs Questions with Answers

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

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

3. What is the stoppage of menstruation called?

4. The beginning of menstruation at puberty is called

5. Testes secrete

6. Menopause occurs at the age of

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

8. The change from larvae to adult is called

9. Adam’s apple is

10. Reproduction age in women starts when their

11. Which is male gonads?

12. Larynx is also called

13. Which hormone is secreted by adrenal glands?

14. Children gain height during

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

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

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

18. Adolescence is the period of

19. Testosterone is a hormone found in human ___

20. Production of thyroxin requires