- 1(current)
Q. No.
Prostaglandins are derivatives of:
1. cortisol, a lipid
2. membrane phopholipids
3. cholesterol, a lipid
4. arachidonic acid, a lipid
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
Assertion: Prostaglandins send only paracrine (locally active) or autocrine (acting on the same cell from which it is synthesized) signals.
Reason: Prostaglandins, found in almost every tissue in humans, are derived enzymatically from the fatty acid arachidonic acid.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false.
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Which one of the following hormones is a modified amino acids?
| 1. Progesterone | 2. Prostaglandin |
| 3. Oestrogen | 4. Epinephrine |
In males, androgens like testosterone secreted by Leydig cells in testes do not:
| 1. | regulate the development, maturation and functions of the male accessory sex organs |
| 2. | control the development and regulation of the secondary sexual characters |
| 3. | play a major stimulatory role in the process of spermatogenesis |
| 4. | produce catabolic effects on protein and carbohydrate metabolism |
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The pair of glands that are composed of follicles and stromal tissue is:
| 1. | Pancreas and adrenal | 2. | Thyroid and pituitary |
| 3. | Ovary and thyroid | 4. | Ovary and testis |
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To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Consider the following regarding the actions of steroidal hormones produced by human ovary:
| I: | Estrogen is responsible for the development and maintenance of secondary sexual characters in females |
| II: | Progesterone is a pregnancy hormone |
| III: | Estrogen regulates female sexual behavior |
| IV: | Progesterone stimulates the formation of alveoli in mammary glands |
Select correct statements from above statements
| 1. | I, II and III | 2. | I, II and IV |
| 3. | II, III and IV | 4. | I, II, III and IV |
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To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
- 1(current)
Q. No.
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