Human Reproduction
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Among many processes and systems in the human body, reproduction is one of the most important. Through it, we are able to get children. Good understanding of the reproduction is recommended to all. All the best.
- 1.What reproductive organ(s) of the female secretes fluid for vaginal lubrication during coitus?
- A.
The reproductive organs of both sexes are homologous
- B.
Both sexes have reproductive capabilities throughout adulthood
- C.
Both systems experience latent development
- D.
Both systems have gonads that produce gametes and sex hormones
- 2.What reproductive organ(s) of the female secretes fluid for vaginal lubrication during coitus?
- A.
Uterine tubes
- B.
Labia majora
- C.
Vestibular glands
- D.
Pudendal cleft
- 3.When the secondary oocyte is released from the ovary, it is surrounded by
- A.
Corpus luteum
- B.
Zona pellucid
- C.
Corona radiate
- D.
B & c only
- 4.During the _________________ phase of menstruation, the lining of the uterus rebuilds
- A.
Menstrual
- B.
Proliferative
- C.
Secretory
- D.
The lining of the uterus rebuilds continually
- 5.A female produces immature ova in her ovaries while developing in her mother's womb. Between puberty and menopause, usually one ovum per month matures and is released. How many ova ultimately reach maturity?
- A.
40-50
- B.
400-500
- C.
40,000
- D.
400 million
- 6.During ejaculation, as the sperm pass out of the man's body through the penis, secretions that fuel and protect the sperm are also released from the
- A.
Seminal vesicles and prostate gland
- B.
Androgens and prostate gland
- C.
Prostate gland and urethra
- D.
Seminal vesicles and urethra
- 7.The optimal time for fertilization (conception) to occur within the menstrual (ovarian) cycle is
- A.
At the beginning of the cycle
- B.
At the middle of the cycle
- C.
At the end of the cycle
- D.
Any time during the cycle
- 8.If pregnancy fails to take place, the decreasing level of hormones lead to menstruation, about ____ days after ovulation
- A.
2
- B.
5
- C.
7
- D.
14
- 9.
- A.
A = q, B = s, C = p, D = t, E = r
- B.
A = s, B = r, C = p, D = t, E = q
- C.
A = t, B = p, C = q, D = r, E = s
- D.
A = r, B = s, C = q, D = p, E = t
- 10.What happens during fertilisation in humans after many sperms reach close to the ovum?
- A.
Cells of corona radiata trap all the sperms except one
- B.
Only two sperms nearest the ovum penetrate zona pellucid
- C.
Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucid
- D.
All sperms except the one nearest to the ovum lose their tails
- 11.Which one of the following statements is incorrect about menstruation?
- A.
The beginning of the cycle of menstruation is called menarche
- B.
During normal menstruation about 40 ml blood is lost
- C.
The menstrual fluid can easily clot
- D.
At menopause in the female, there is especially abrupt increase in gonadotropic hormones
- 12.Rete testis open to
- A.
Urethra
- B.
Vasa efferentia
- C.
Bidder’s cannal
- D.
Cauda epididymis
- 13.Which of the following events are correctly matched with the time period in a normal menstrual cycle?
- A.
Release of egg -5th day
- B.
Endometrium regenerates – 5-10 days
- C.
Rise in prigestrone level – 1-15 days
- D.
Endometrium secretes nutrients for implementation -11-18 days
- 14.In which phase of cell division oocytes get arrested?
- A.
Interphase
- B.
Prophase I
- C.
Anaphase II
- D.
Both Anaphase II
- 15.Fertilization in human takes place in
- A.
Ampulla of oviduct
- B.
Isthmus of oviduct
- C.
Fimbriae of oviduct
- D.
Both Anaphase II
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