Formative Practice 7.1 – Form 4 Science (KSSM) Chapter 7


Question 1:
State the meaning of hormone.

Answer:
A hormone is an organic chemical compound secreted by the endocrine gland.


Question 2:
State the main endocrine glands in the human body.

Answer:
The main endocrine glands in the human body are pituitary gland, thyroid gland, adrenal gland, pancreas, ovary and testis.


Question 3:
Name the hormones secreted by the following glands:
(a) Adrenal gland
(b) Pancreas
(c) Testis
(d) Thyroid gland

Answer:
Adrenal gland: adrenaline

Pancreas: insulin

Testis: testosterone

Thyroid gland: thyroxine


Question 4:
What is the function of the hormones produced by the following glands?
(a) Thyroid gland
(b) Ovary
(c) Pancreas

Answer:
Functions of hormones:
(a) Thyroid gland: Thyroxine – controls the rate of metabolism

(b) Ovary: Progesterone – maintains the thickening of the uterine wall Oestrogen – controls the female secondary sexual characteristics

(c) Pancreas: Insulin – controls the blood glucose level

Leave a Comment