Reaching The Age of Adolescence

Reaching the Age of Adolescence Worksheet-4

1. Metamorphosis in insects is initiated by the hormone:

(a) thyroxine                                 (b) insulin

(c) growth hormone                    (d) adrenaline

2. The sex of a child is determined by the:

(a) chromosomes of the father

(b) chromosomes of the mother

(c) Rh factor of the parents

(d) blood group of the father

Reaching the Age of Adolescence Worksheet-5

1. In humans, sex of the offspring is determined:

(a) through mother's sex chromosomes

(b) through father's sex chromosomes

(c) by enzymes

(d) by hormones

2. A person goes through the following stages of growth. Which is the correct sequence?

1 – Foetus

2 – Zygote

3 – Embryo

4 – Baby

5 – Adult