Question :-

1. Time period when the body undergoes changes to reach reproductive maturity is known as ___________
(a) Adolescence
(b) Puberty
(c) Hormones
(d) None of these

2. The various changes that occur in the body during adolescence marks the onset of _______________
(a) Adolescence
(b) Puberty
(c) Hormones
(d) None of these

3. The growing voice box in boys can be seen as a protruding part of the throat called ____________
(a) Adolescence
(b) Puberty
(c) Hormones
(d) Adam’s apple

4. Voice box is also known as _________
(a) Larynx
(b) Juke box
(c) Music box
(d) None of these

5. How many pairs of chromosomes present in human cell?
(a) 46
(b) 23
(c) 22
(d) 44

6. The changes which occur at adolescence are controlled by ___________
(a) Gland
(b) Puberty
(c) Hormones
(d) Adam’s apple

7. Endocrine glands release hormones into the bloodstream to reach a particular body part called ___________
(a) Target site
(b) Chromosomes
(c) Thyroxine
(d) None of these

8. Thyroxine produced by _________
(a) Pituitary gland
(b) Thyroid gland
(c) Endocrine gland
(d) None of these

9. Name the hormone produce by adrenals.
(a) Pituitary gland
(b) Thyroid gland
(c) Endocrine gland
(d) Adrenalin

10. The change from larva to adult is called ___________
(a) Metamorphosis
(b) Fertilisation
(c) Growth hormone
(d) None of these