A gland which secretes enzymes and hormones both is :

1. Adrenal
2. Pancreas
3. Thyroid
4. Pituitary

Insulin is secreted by :

1. β-cells of Pancreas
2. δ-cells of Pancreas
3. α-cells of Pancreas
4. γ-cells of Pancreas

Exophthalmic goitre is caused due to the over activity of

1. thymus
2. thyroid
3. parathyroid
4. adrenal cortex

The hormone which causes stimulation of sympathetic nervous system is:

1. Thyroxine
2. Insulin
3. Prolactin
4. Adrenaline