Question

Name the two kinds of diabetes. Mention their symptoms and the causes. [4 MARKS]

Answer 1

Naming: 1 Mark
Symptoms: 2 Marks
Causes: 1 Mark

The two kinds of diabetes are:

1. Diabetes Mellitus:
Symptoms :
(i) High concentration of sugar in blood.
(ii) Excretion of great deal of urine loaded with sugar.
(iii) Feeling thirsty because of the loss of water through too much urination.
(iv) Loss in weight and weakness.
(v) In certain cases, the person loses eyesight or vision.

Cause: Insufficient secretion of insulin

2. Diabetes insipidus :
Symptoms:
(i) More urination
(ii) More thirst
(iii) No sugar in urine

Cause: Undersecretion of ADH