Q. No.The part of the fallopian tube closest to the ovary is:
1.
isthmus
2.
infundibulum
3.
cervix
4.
ampulla
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A change in the amount of yolk and its distribution in the egg will affect
1. formation of zygote
2. pattern of cleavage
3. number of blastomeres produced
4. fertilization
Foetal ejection reflex in human female is induced by
1. pressure exerted by amniotic fluid
2. release of oxytocin from pituitary
3. fully developed foetus and placenta
4. differentiation of mammary glands
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Which one of the following is the most likely reason for the regular menstruation cycle not occurring in females?
| 1. | Fertilisation of the ovum |
| 2. | Maintenance of the hypertrophical endometrial lining |
| 3. | Maintenance of a high concentration of sex hormones in the bloodstream |
| 4. | Retention of well-developed corpus luteum |
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Seminal plasma in humans is rich in:
1. fructose, calcium and certain enzymes
2. fructose and calcium but has no enzymes
3. glucose and certain enzymes but has no calcium
4. fructose and certain enzymes but is poor in calcium
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The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is
1. spermatocyte spermatogonia spermatid sperms
2. spermatogonia spermatocyte spermatid sperms
3. spermatid spermatocyte spermatogonia sperms
4. spermatogonia spermatid spermatocyte sperms
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| Column I | Column II | |
| 1. | Ovulation | LH and FSH attain peak levels and sharp fall in the secretion of progesterone |
| 2. | Proliferative phase | Rapid regeneration of myometrium and maturation of Graafian follicle |
| 3. | Development of corpus luteum | Secretory phase and increased secretion of progesterone |
| 4. | Menstruation | Breakdown of myometrium and ovum not fertilized |
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In humans, at the end of the first meiotic division, the male germ cells differentiate into
1. primary spermatocytes
2. secondary spermatocytes
3. spermatids
4. spermatogonia
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Which extra embryonic membrane in humans prevents desiccation of the embryo inside the uterus?
1. Chorion
2. Allantois
3. Yolk sac
4. Amnion
Which one of the following statement is incorrect about menstruation?
| 1. | During normal menstruation, about 40 mL of blood is lost |
| 2. | The menstrual fluid can easily clot |
| 3. | At menopause in the female, there is, an especially, abrupt increase in gonadotropic hormones |
| 4. | The beginning of the cycle of menstruation is called menarche |
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