Assertion (A): Hypersecretion of adrenal cortex causes Cushing's syndrome.

Reason (R): Symptoms of Cushing's syndrome are obesity, hyperglycemia, weakness, osteoporosis, salt and water retention.

1. Both A and R are true
2. Both A and R are false
3. A is true and R is false
4. A is false and R is true

Which of the following vitamin is essential for the production of prothrombin?

1. Vitamin-E
2. Vitamin-K
3. Vitamin-C
4. Vitamin-A

The condition affecting the older people who cannot see nearby objects clearly is called

1. presbyopia
2. cataract
3. astigmatism
4. hyperopia

The cellular elements found in highest number in blood are

1. RBCs
2. lymphocyte
3. eosinophils
4. basophils