- 1(current)
Q. No.Which of the following hormone regulates sleep-wake cycle ?
(1) Melatonin
(2) Thyroxine
(3) Vasopressin
(4) MSH
Which of the following is true about melatonin?
(1) It influences metabolism
(2) It influences pigmentation
(3) It influences menstrual cycle
(4) All of these
Which of the following endocrine gland secretes melatonin
(1) Pituitary gland
(2) Pineal gland
(3) Hypothalamus
(4) Thymus
Artificial light, extended work-time and reduced sleep-time disrupt the activity of:
1. Thymus gland
2. Pineal gland
3. Adrenal gland
4. Posterior pituitary gland
Consider the following four statement (a-d). and select the option which includes all the correct ones only.
| (a) | Pineal gland is situated on the ventral side of forebrain. |
| (b) | Corpus luteum is formed after ovulation and its formation is induced by LH. |
| (c) | In female, oxytocin stimulates contraction of uterus at the time of childbirth and milk ejection from mammary body. |
| (d) | Pituitary gland is located in a bony cavity called sella turcica |
1. Statements (a), (b) and (d)
2. Statements (b) or (d)
3. Statement (a), (c) and (d)
4. Statement (b), (c) and (d)
- 1(current)
Q. No.
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