Q. No.Which one of the following pairs of hormones are the examples of those that can easily pass through the cell membrane of the target cell and bind to a receptor inside it (mostly in the nucleus)?
1. Insulin and glucagon
2. Thyroxine and insulin
3. Somatostatin and oxytocin
4. Cortisol and testosterone
1. Insulin and glucagon
2. Thyroxine and insulin
3. Somatostatin and oxytocin
4. Cortisol and testosterone
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Match the source gland with its respective hormone as well as the function.
| Source gland | Hormone | Function | |
| 1. | Posterior pituitary | Vasopressin | Stimulates resorption of water in the distal tubules in nephron |
| 2. | Corpus luteum | Oestrogen | Supports pregnancy |
| 3. | Thyroid | Thyroxine | Regulates blood calcium level |
| 4. | Anterior pituitary | Oxytocin | Contraction of uterus muscles during child birth |
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Injury to adrenal cortex is not likely to affect the secretion of which one of the following ?
1. Aldosterone
2. Both androstenedione and dehydroepiandrosterone
3. Adrenalin
4. Cortisol
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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)
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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
| 1. hypothyroidism | 2. simple goitre |
| 3. myxoedema | 4. cretinism |
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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
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The blood calcium level is lowered by the deficiency of
1. parathormone
2. thyroxine
3. calcitonin
4. Both 1 and 3
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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
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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
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