Q. No.
Identify the incorrectly matched pair:
|
1. |
Ovulation |
LH surge |
|
2. |
Follicular phase of menstrual cycle |
Regeneration of endometrium |
|
3. |
Luteal phase |
Secretion of FSH |
|
4. |
Menstruation |
Withdrawal of progesterone |
The primary oocyte completes the first meiotic division at the stage of:
1. Primordial follicle
2. Primary follicle
3. Secondary follicle
4. Tertiary follicle
Stem cells that are capable of giving rise to all the tissues and organs are present in:
1. Cumulus oophorus of the Graafian follicle
2. Lutein cells of the corpus luteum
3. Trophoblast cells of the developing embryo
4. Inner cell mass of developing embryo
Menstrual bleeding is the result of:
1. low levels of ovarian hormones
2. high levels of ovarian hormones
3. high levels of LH
4. high levels of FSH
| 1. | In spermiogenesis, spermatids are formed, while in spermiation, spermatozoa are formed. |
| 2. | In spermiogenesis, spermatozoa are formed, while in spermiation, spermatids are formed. |
| 3. | In spermiogenesis, spermatozoa from Sertoli cells are released into the cavity of seminiferous tubules, while in spermiation, spermatozoa are formed. |
| 4. | In spermiogenesis, spermatozoa are formed, while in spermiation, spermatozoa are released from Sertoli cells into the cavity of seminiferous tubules. |
Match the items given in Column I with those in Column II and select the correct option given below:
| Column I | Column II | ||
| (a) | Proliferative Phase | (i) | Breakdown of the endometrial lining |
| (b) | Secretory Phase | (ii) | Follicular Phase |
| (c) | Menstruation | (iii) | Luteal Phase |
| Options: | (a) | (b) | (c) |
| 1. | (iii) | (ii) | (i) |
| 2. | (i) | (iii) | (ii) |
| 3. | (ii) | (iii) | (i) |
| 4. | (iii) | (i) | (ii) |
If mammalian ovum fails to get fertilized, which one of the following is unlikely -
1. Estrogen secretion further decreases
2. Progesterone secretion rapidly declines
3. Corpus luteum will disintegrate
4. Primary follicle starts developing
If for some reason, the vasa efferentia in the human reproductive system get blocked, the gametes will not be transported from:
1. epididymis to vas deferens
2. ovary to uterus
3. vagina to uterus
4. testis to epididymis
Identify the incorrect statement regarding female reproductive system?
| 1. | The first meiotic division of a primary oocyte forms two secondary oocytes that remain in this stage unless fertilization occurs. |
| 2. | Uterine tube, fallopian tube, and oviduct are terms used to refer to the same organ. |
| 3. | Menopause marks the termination of both menstruation and ovulation. |
| 4. | An ectopic pregnancy is an implantation of the blastocyst in a site other than the uterus. |
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