Q. No.A second pregnancy during an ongoing pregnancy is prevented by:
1. Estrogen 2. HPL 3. progesterone 4. HCG
Type B spermatogonia divide to form:
| 1. | Type A spermatogonia. | 2. | spermatids. |
| 3. | a primary spermatocyte. | 4. | a secondary spermatocyte |
Identify the cell that can be seen in primordial, primary, secondary and tertiary follicle :
| 1. | oogonium | 2. | primary oocyte |
| 3. | secondary oocyte | 4. | ovum |
The number of mature ova produced by a young, healthy, nonpregnant adult woman each year would be:
| 1. | 0 | 2. | 6 |
| 3. | 12 | 4. | 24 |
Identify the correct statement:
| 1. | GnRH stimulates the production of estrogen [in females] or testosterone [in males] directly |
| 2. | LH stimulates ovulation (female) or spermatogenesis (male) |
| 3. | FSH initiates and maintains the development of accessory sex organs (both sexes) |
| 4. | estrogen stimulates oogenesis (female only) |
Identify the cells that are haploid: (1) spermatogonia (2) primary spermatocytes (3) secondary spermatocytes (4) spermatids (5) spermatozoa
| 1. | 1, 2, and 3 | 2. | 2, 3, 4, and 5 |
| 2. | 3, 4, and 5 | 4. | 4 and 5 only |
After leaving the testes, spermatozoa pass sequentially through the :
| 1. | seminiferous tubule, rete testis, efferent ductule, and epididymis |
| 2. | epididymis, ductus deferens, seminal vesicle, and ejaculatory duct |
| 3. | membranous urethra, prostatic urethra, and spongy urethra |
| 4. | epididymis, ductus deferens, ejaculatory duct, and urethra |
The process of maturation of spermatids to sperms and the cells that facilitate this process are respectively:
1. spermiogenesis; sustentacular cells
2. spematocytogenesis; spermatogonia
3. spermiation; Sertoli cells
4. spermatogenesis; interstitial cells
Ectopic pregnancies are referred to as :
| 1. | pregnancies with a genetic abnormality |
| 2. | implantation of the embryo at a site other than the uterus |
| 3. | implantation of a defective embryo in the uterus |
| 4. | pregnancies terminated due to hormonal imbalance |
Which one of the following is not the function of the placenta?
| 1. | It facilitates the supply of oxygen and nutrients to the embryo |
| 2. | It secretes oestrogen |
| 3. | It facilitates the removal of carbon dioxide and waste material from the embryo |
| 4. | It secretes oxytocin during parturition |
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