Pituitary gland is considered as the 'master gland' of the body. Which of the following reasons supports this statement?

P. It is a pea-sized gland.

Q. It is the largest and strongest gland.

R. It regulates the activities of all other endocrine glands.

1. Only P and R
2. Only Q
3. Only R
4. Only P and Q

Aman is in the state of mental or emotional strain which can be termed as 'stress'. In simple terms, people call it 'tension'. Which of the following ways can help Aman manage his stress?

P. Yoga and exercise.

Q. Uncontrolled eating and watching television.

R. Deep breathing and meditation

1. Only P and Q
2. Only Q and R
3. Only Q
4. Only P and R

Assertion (A): Endocrine glands pour their secretions directly into the blood in very large quantities.

Reason (R): Hormones are utilized in very large quantities continuously throughout the body as these secretions regulate the growth and development as well as many other metabolic activities of the body.

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.

Assertion (A): Thyroxine is the hormone which regulates basal metabolism of the body and speeds up the rate of most activities of the body.

Reason (R): Its undersecretion is harmful which can cause different types of ailments but its oversecretion is very important as it increases the metobolic rate of the body.

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.