The emergency hormone to face the danger or to fight is secreted by;

1. Islets of Langerhans
2. Adrenal cortex
3. Pituitary
4. Adrenal medulla

Which one of the following endocrine glands produces its hormone in large quantities as a result of emotional stimulation?

1. Thyroid
2. Islets of Langerhans
3. Adrenal medulla
4. Adrenal cortex

Akash is suffering from a disease caused due to insufficient secretion of thyroxine. It shows general sluggishness with swelling on the face and hands. This disease is caused due to the deficiency of :

1. Iron
2. Iodine
3. Calcium
4. Phosphorus

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