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)