Which one of the following pairs is incorrectly matched?
1. Glucagon - Beta cells (source)
2. Somatostatin - Delta cells (source)
3. Corpus luteum - Relaxin (secretion)
4. Insulin - Diabetes mellitus (disease)

Toxic agents present in food which interfere with thyroxine synthesis lead to the development of
1. toxic goitre
2. cretinism
3. simple goitre
4. thyrotoxicosis

A health disorder that results from the deficiency of thyroxine in adults and characterized by
(i) a low metabolic rate
(ii) increase in body weight
(iii) tendency to retain water in tissues is

In human adult females, oxytocin
1. is secreted by anterior pituitary
2. Stimulates growth of mammary glands
3. Stimulates pituitary to secrete vasopressin
4. causes strong uterine contractions during parturition

The blood calcium level is lowered by the deficiency of
1. parathormone
2. thyroxine
3. calcitonin
4. Both 1 and 3

Which one of the following pairs of organs includes only the endocrine glands?
1. Parathyroid and adrenal
2. Pancreas and parathyroid
3. Thymus and testes
4. Adrenal and ovary

Feeling the tremor of an earthquake, a scared resident of the seventh floor of a multistoried building starts climbing down the stairs rapidly. Which hormone initiated this action?
1. Thyroxine
2. Adrenaline
3. Glucagon
4. Gastrin

A person is having problems with calcium and phosphorus metabolism in his body. Which one of the following glands may not be functioning properly?

Compared to a bull, a bullock is docile because of:
1. higher levels of thyroxine
2. higher levels of cortisone
3. lower levels of blood testosterone
4. lower levels of adrenalin/noradrenalin in its blood

A steroid hormone which regulates glucose metabolism is:
1. cortisol
2. corticosterone
3. 11- deoxycorticosterone
4. cortisone