The blood cells produced abnormally in leukemia are

1. RBCs
2. WBCs
3. Both (1) and (2)
4. None of these

The location, where human sperm maturation takes place is

1. prostate gland
2. leydig cells
3. seminiferous tubules
4. epididymis

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