Reaching the Age of Adolescence Class 8 MCQs Questions with Answers

1. Which is male gonads?

2. Reproduction age in women starts when their

3. Which hormone is secreted by adrenal glands?

4. The beginning of menstruation at puberty is called

5. Adolescence is the period of

6. Production of thyroxin requires

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

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

9. Menopause occurs at the age of

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

11. What is the stoppage of menstruation called?

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

13. Children gain height during

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

15. Testosterone is a hormone found in human ___

16. Adam’s apple is

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

18. Larynx is also called

19. Testes secrete

20. The change from larvae to adult is called