Q. No.Changes in GnRH pulse frequency in females is controlled by circulating levels of :
| 1. | estrogen and inhibin | 2. | progesterone only |
| 3. | progesterone and inhibin | 4. | estrogen and progesterone |
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Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other?
1. Insulin Glucagon
2. Aldosterone Atrial Natriuretic Factor
3. Relaxin Inhibin
4. Parathormone Calcitonin
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The testes in the initial months of the development:
1. are found in the abdominal cavity.
2. descend into the scrotum by the end of second month.
3. start spermatogenesis.
4. secretes some LH.
Spermatogenesis takes place in:
1. interstitial space.
2. seminiferous tubules.
3. epididymis.
4. rete testis.
The sperms get stored and matured in:
1. seminal vesicles
2. seminiferous tubules
3. vas deferens
4. epididymis
Chose the correct chronological order of the male duct system beginning from the seminiferous tubules:
| (a) | ductus deferens |
| (b) | efferent ductule |
| (c) | epididymis |
| (d) | ejaculatory duct |
| (e) | rete testis |
| 1. | (b), (c), (e), (d), (a) | 2. | (b), (e), (c), (d), (a) |
| 3. | (c), (b), (d), (a), (e) | 4. | (e), (b), (c), (a), (d) |
GnRH release by hypothalamus would be decreased due to:
1. decreased inhibin
2. increased testosterone
3. decreased FSH
4. decreased LH
During oogenesis, the first polar body:
1. is formed before fertilization.
2. is formed after fertilization.
3. develops into the ootid.
4. does not have chromosomes.
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In fallopian tube, the part called as the ampulla:
1. opens into the uterus.
2. is the narrowest part.
3. is connected to the isthmus of the fallopian tube.
4. is lined with stratified squamous epithelium.
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