Q1. Ovulation in the human female normally takes place during the menstrual cycle

• A) at the mind secretory phase
• B) just before the end of the secretory phase
• C) at the beginning of the proliferative phase
• D) at the end of the proliferative phase

Answer: (D) at the end of the proliferative phase

It takes place at the end of the proliferative phase.

Q2. After ovulation Graafian follicle regreses into

• A) corpus atresia
• B) corpus callosum
• C) corpus luteum
• D) corpus albicans

Answer: (C) corpus luteum

Graafian follicle regreses into corpus luteum

Q3. Immediately after ovulation, the mammalian egg is covered by a membrane known as

• A) chorion
• B) zona pellucida
• C) corona radiata
• D) vitelline membrane.

Answer: ()

membrane is known as vitelline membrane.

Q4. Which one of the following events is correctly matched with the time period in a normal menstrual cycle ?

• A) Release of egg : 5 th day
• B) Endometrium regenerates : 5 – 10 days
• C) Endometrium secretes nutrients for implantation: 11 – 18 days
• D) Rise in progesterone level : 1 – 15 days

Answer: (B) Endometrium regenerates : 5 – 10 days

Q5. If mammalian ovum fails to get fertilised, which one of the following is unlikely ?

• A) Corpus luteum will distintegrate.
• B) Progesterone secretion rapidly declines.
• C) Estrogen secretion increases.
• D) Primary follicle starts developing

Answer: (C) Estrogen secretion increases.

Estrogen secretion increases and menstruation occurs

Q6. A human female reaches menopause aroung the age of__ yrs

• A) 50
• B) 15
• C) 70
• D) 25

Answer: (A) 50

Q7. A reaction of granules content which harden the zona pellucida and ensures sure block to polyspermy is

• A) acrosomal reaction
• B) cortical reaction
• C) acrosin reaction
• D) bindin reaction

Answer: (B) cortical reaction

It is known as cortical reaction.

Q8. Which part of the sperm plays an important role in penetrating the egg membrane ?

• A) Allosome
• B) Tail
• C) Autosome
• D) Acrosome

Answer: (D) Acrosome

Acrosome penetrates the egg membrane.

Q9. In oocyte secondary maturation occurs in

• A) ovary
• B) abdominal cavity
• C) Fallopian tube
• D) uterus.

Answer: (C) Fallopian tube

secondary maturation occurs in Fallopian tube

Q10. Besides activating the egg another role of a sperm is to carry to egg

• A) RNA
• B) mitochondria
• C) DNA
• D) ribosomes

Answer: (C) DNA

Q11. Preparation of sperm before penetration of ovum is

• A) spermiation
• B) cortical reaction
• C) spermiogenesis
• D) capacitation

Answer: (A) spermiation

Preparation of sperm before penetration of ovum is known as spermiation

Q12. The function of the secretion of prostate gland is to

• A) inhibit sperm activity
• B) attract sperms
• C) stimulate sperm activity
• D) none of these.

Answer: (C) stimulate sperm activity

secretion of prostate gland is to stimulate sperm activity

Q13. Lower narrow end of uterus is called

• A) urethra
• B) cervix
• C) clitoris
• D) vulva

Answer: (B) cervix

Lower narrow end of uterus is called cervix

Q14. Bartholin’s glands are situated

• A) on the either side of vagina in humans
• B) on either side of vas deferens in humans
• C) on either side of penis in humans
• D) on either side of Fallopian tube in humans

Answer: (A) on the either side of vagina in humans

It is situated on the either side of vagina in humans.

Q15. In human adult females oxytocin

• A) stimulates pituitary to secrete vasopressin
• B) causes strong uterine contractions during parturition
• C) is secreted by anterior pituitary
• D) stimulates growth of mammary glands

Answer: (B) causes strong uterine contractions during parturition

It causes strong uterine contractions during parturition

Q16. The third stage of parturition is called “after-birth”. In this stage

• A) excessive bleeding occurs
• B) fetus is bom and cervix and vagina contraction to normal condition happens
• C) fetus is bom and contraction of uterine wall prevents excessive bleeding
• D) placenta is expelled out

Answer: ()

In this stage placenta is expelled out

Q17. spot the odd one out from the following structures with reference to the male reproductive system

• A) Rate testis
• B) Epididymis
• C) Vasa efferentia
• D) Isthmus

Answer: (D) Isthmus

Q18. In humans, at the end of the first meiotic division, the male germ cells differentiate into the

• A) spermatids
• B) spermatogonia
• C) primary spermatocytes
• D) secondary spermatocytes

Answer: (D) secondary spermatocytes

It differentiate into secondary spermatocytes

Q19. How many sperms are formed from a secondary spermatocyte ?

• A) 4
• B) 8
• C) 2
• D) 1

Answer: (C) 2

Q20. How many sperms are formed from 4 primary spermatocytes ?

• A) 4
• B) 1
• C) 16
• D) 32

Answer: (C) 16

Q21. In spermatogenesis, reduction division of chromosome occurs during conversion of

• A) spermatogonia to primary spermatocytes
• B) primary spermatocytes to secondary spermatocytes
• C) secondary spermatocytes to spermatids
• D) spermatids to sperms

Answer: (B) primary spermatocytes to secondary spermatocytes

It occurs during conversion of primary spermatocytes to secondary spermatocytes

Q22. Which of the following groups of cells in the male gonad, represent haploid cells ?

• A) Spermatogonial cells
• B) Germinal epithelial cells
• C) Secondary spermatocytes
• D) Primary spermatocytes

Answer: (C) Secondary spermatocytes

Q23. The process of release of spermatozoa from Sertoli cells into cavity of the seminiferous tubules is called

• A) spermiogenesis
• B) spermatogenesis
• C) spermatocytogenesis
• D) spermiation

Answer: (D) spermiation

Q24. Acrosome is a type of

• A) lysosome
• B) flagellum
• C) ribosome
• D) basal body

Answer: ()

Acrosome is a type of lysosome

Q25. At what stage of life is oogenesis initiated in a human female ?

• A) At puberty
• B) During menarch
• C) During menopause
• D) During embryonic development

Answer: ()

It initiates at puberty.