Reaching the Age of Adolescence Class 8 MCQs Questions with Answers

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

2. Which hormone is secreted by adrenal glands?

3. Adolescence is the period of

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

5. The beginning of menstruation at puberty is called

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

7. What is the stoppage of menstruation called?

8. Which is male gonads?

9. Larynx is also called

10. Reproduction age in women starts when their

11. Testosterone is a hormone found in human ___

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

13. Adam’s apple is

14. Children gain height during

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

16. Testes secrete

17. The change from larvae to adult is called

18. Menopause occurs at the age of

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

20. Production of thyroxin requires