Q. No.Which one of the following hormones is a modified amino acids?
1. Progesterone
2. Prostaglandin
3. Oestrogen
4. Epinephrine
Which one of the following pairs correctly matches a hormone with a disease/condition resulting from its deficiency?
1. Insulin-Diabetes insipidus
2. Thyroxine-Tetany
3. Parathyroid hormone-diabetes mellitus
4. Luteinizing hormone-Failure of ovulation
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Secretin and cholecystokinin are digestive hormones. They are secreted in
| 1. | Oesophagus | 2. | Ileum |
| 3. | Duodenum | 4. | Pyloric stomach |
Damage to thymus in a child may lead to
1. A reduction in haemoglobin content of blood
2. A reduction in stem cell production
3. Loss of antibody mediated immunity
4. Loss of cell mediated immunity
Parkinson’s disease (characterized by tremors and progressive rigidity of limbs) is caused by degeneration of brain neurons that are involved in movement control and make use of neurotransmitter
1. Norepinephrine
2. Acetylcholine
3. GABA
4. Dopamine
Which one of the following is not a second messenger in hormone action?
1. cGMP
2. Calcium
3. Sodium
4. cAMP
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Which one of the following statements is correct?
| 1. | Neurons regulate endocrine activity, but not vice versa. |
| 2. | Endocrine glands regulate neural activity, and nervous system regulates endocrine glands. |
| 3. | Neither hormones control neural activity nor do the neurons control endocrine activity. |
| 4. | Endocrine glands regulate neural activity, but not vice versa. |
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Which one of the following is an example of negative feedback loop in humans?
1. Secretion of sweat glands and constriction of skin blood vessels when it is too hot.
2. Constriction of skin blood vessels and contraction of skeletal muscles when it is too cold.
3. Secretion of tears after falling of sand particles into the eye.
4. Salivation of mouth at the sight of delicious food.
Select the correct matching of a hormone, its source and function.
|
Hormone |
Source |
Function |
|
|
1. |
Norepinephrine |
Adrenal medulla |
Increases heartbeat, rate of respiration and alertness |
|
2. |
Glucagon |
Beta-cells of islets of Langerhans |
Stimulates glycogenolysis |
|
3. |
Prolactin |
Posterior pituitary |
Regulates growth of mammary glands and milk formation in females |
|
4. |
Vasopressin |
Posterior pituitary |
Increases loss of water through urine |
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Given below is an incomplete table about certain hormones, their source glands and one major effect of each on the body in humans. Identify the correct option for the three blanks A, B and C.
|
Glands |
Secretion |
Effect on body |
|
Ovary |
A |
Maintenance of secondary sexual characters |
|
Alpha cells of islets of Langerhans |
B |
Raises blood sugar level |
|
Anterior pituitary |
C |
Oversecretion leads to gigantism |
|
A |
B |
C |
|
|
1. |
Vasopressin |
Glucagon |
Calcitonin |
|
2. |
Oestrogen |
Glucagon |
Growth hormone |
|
3. |
Testosterone |
Insulin |
Vasopressin |
|
4. |
Oestrogen |
Insulin |
Calcitonin |
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