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1 of 25
Q.1 Ovulation in the human female normally takes place during the menstrual cycle
- at the mind secretory phase
- just before the end of the secretory phase
- at the beginning of the proliferative phase
- at the end of the proliferative phase
2 of 25
Q.2 After ovulation Graafian follicle regreses into
- corpus atresia
- corpus callosum
- corpus luteum
- corpus albicans
3 of 25
Q.3 Immediately after ovulation, the mammalian egg is covered by a membrane known as
- chorion
- zona pellucida
- corona radiata
- vitelline membrane.
4 of 25
Q.4 Which one of the following events is correctly matched with the time period in a normal menstrual cycle ?
- Release of egg : 5 th day
- Endometrium regenerates : 5 – 10 days
- Endometrium secretes nutrients for implantation: 11 – 18 days
- Rise in progesterone level : 1 – 15 days
5 of 25
Q.5 If mammalian ovum fails to get fertilised, which one of the following is unlikely ?
- Corpus luteum will distintegrate.
- Progesterone secretion rapidly declines.
- Estrogen secretion increases.
- Primary follicle starts developing
6 of 25
Q.6 A human female reaches menopause aroung the age of__ yrs
- 50
- 15
- 70
- 25
7 of 25
Q.7 A reaction of granules content which harden the zona pellucida and ensures sure block to polyspermy is
- acrosomal reaction
- cortical reaction
- acrosin reaction
- bindin reaction
8 of 25
Q.8 Which part of the sperm plays an important role in penetrating the egg membrane ?
- Allosome
- Tail
- Autosome
- Acrosome
9 of 25
Q.9 In oocyte secondary maturation occurs in
- ovary
- abdominal cavity
- Fallopian tube
- uterus.
10 of 25
Q.10 Besides activating the egg another role of a sperm is to carry to egg
- RNA
- mitochondria
- DNA
- ribosomes
11 of 25
Q.11 Preparation of sperm before penetration of ovum is
- spermiation
- cortical reaction
- spermiogenesis
- capacitation
12 of 25
Q.12 The function of the secretion of prostate gland is to
- inhibit sperm activity
- attract sperms
- stimulate sperm activity
- none of these.
13 of 25
Q.13 Lower narrow end of uterus is called
- urethra
- cervix
- clitoris
- vulva
14 of 25
Q.14 Bartholin’s glands are situated
- on the either side of vagina in humans
- on either side of vas deferens in humans
- on either side of penis in humans
- on either side of Fallopian tube in humans
15 of 25
Q.15 In human adult females oxytocin
- stimulates pituitary to secrete vasopressin
- causes strong uterine contractions during parturition
- is secreted by anterior pituitary
- stimulates growth of mammary glands
16 of 25
Q.16 The third stage of parturition is called “after-birth”. In this stage
- excessive bleeding occurs
- fetus is bom and cervix and vagina contraction to normal condition happens
- fetus is bom and contraction of uterine wall prevents excessive bleeding
- placenta is expelled out
17 of 25
Q.17 spot the odd one out from the following structures with reference to the male reproductive system
- Rate testis
- Epididymis
- Vasa efferentia
- Isthmus
18 of 25
Q.18 In humans, at the end of the first meiotic division, the male germ cells differentiate into the
- spermatids
- spermatogonia
- primary spermatocytes
- secondary spermatocytes
19 of 25
Q.19 How many sperms are formed from a secondary spermatocyte ?
- 4
- 8
- 2
- 1
20 of 25
Q.20 How many sperms are formed from 4 primary spermatocytes ?
- 4
- 1
- 16
- 32
21 of 25
Q.21 In spermatogenesis, reduction division of chromosome occurs during conversion of
- spermatogonia to primary spermatocytes
- primary spermatocytes to secondary spermatocytes
- secondary spermatocytes to spermatids
- spermatids to sperms
22 of 25
Q.22 Which of the following groups of cells in the male gonad, represent haploid cells ?
- Spermatogonial cells
- Germinal epithelial cells
- Secondary spermatocytes
- Primary spermatocytes
23 of 25
Q.23 The process of release of spermatozoa from Sertoli cells into cavity of the seminiferous tubules is called
- spermiogenesis
- spermatogenesis
- spermatocytogenesis
- spermiation
24 of 25
Q.24 Acrosome is a type of
- lysosome
- flagellum
- ribosome
- basal body
25 of 25
Q.25 At what stage of life is oogenesis initiated in a human female ?
- At puberty
- During menarch
- During menopause
- During embryonic development