HUMAN REPRODUCTIVE SYSTEM

 

Human Reproduction 

1. The mature sperms are stored in the

a. Seminiferous tubules

b.Vas deferens

c. Epididymis

d. Seminal vesicle

 

2. The male sex hormone testosterone is secreted from

a. Sertoli cells

b. Leydig cell

c. Epididymis

d. Prostate gland

 

3. The glandular accessory organ which produces the largest proportion of semen is

a. Seminal vesicle

b. Bulbourethral gland

c. Prostate gland

d. Mucous gland

 

4. The male homologue of the female clitoris is

a. Scrotum

b. Penis

c. Urethra

d.Testis

 

5. The site of embryo implantation is the

a. Uterus

b. Peritoneal cavity

c. Vagina

d. Fallopian tube

 

6. The foetal membrane that forms the basis of the umbilical cord is

a. Allantois

b. Amnion

c. Chorion

d. Yolk sac

 

7. The most important hormone in initiating and maintaining lactation after birth is

a. Oestrogen

b. FSH

c. Prolactin

d. Oxytocin

 

8. Mammalian egg is

a. Mesolecithal and non cleidoic

b. Microlecithal and non cleidoic

c. Alecithal and non cleidoic

d. Alecithal and cleidoic

 

9. The process which the sperm undergoes before penetrating the ovum is

a. Spermiation

b. Cortical reaction

c. Spermiogenesis

d. Capacitation

 

10. The milk secreted by the mammary glands soon after child birth is called

a. Mucous

b. Colostrum

c. Lactose

d. Sucrose

 

11. Colostrum is rich in

a. Ig E

b. Ig A

c. Ig D

d. Ig M

 

12. The Androgen Binding Protein (ABP) is produced by

a. Leydig cells

b. Hypothalamus

c. Sertoli cells

d. Pituitary gland

 

13. Find the wrongly matched pair

a. Bleeding phase - fall in oestrogen and progesterone

b. Follicular phase - rise in oestrogen

c. Luteal phase - rise in FSH level

d. Ovulatory phase - LH surge

 

Answer the following type of questions

Assertion (A) and Reason (R)

a. A and R are true, R is the correct explanation of A

b. A and R are true, R is not the correct explanation of A

c. A is true, R is false

d. Both A and R are false

14. A – In human male, testes are extra abdominal and lie in scrotal sacs.

R – Scrotum acts as thermoregulator and keeps temperature lower by 2oC for normal sperm production .

(a) A and R are true, R is the correct explanation of A

 

15. A – Ovulation is the release of ovum from the Graafian follicle.

R – It occurs during the follicular phase of the menstrual cycle.

(c) A is true, R is false

 

16. A – Head of the sperm consists of acrosome and mitochondria.

R – Acrosome contains spiral rows of mitochondria.

(d) Both A and R are false

 

17. Select the incorrect statement.

a) LH and FSH trigger ovulation in ovary

b) LH and FSH decrease gradually during the follicular phase

c) LH triggers secretion of androgens from the Leydig cells.

d) FSH stimulates the sertoli cells which help in spermiogenesis

 

18. Identify the correct statement on ‘inhibitin’

a) is produced by granulose cells in ovary and inhibits the secretion of FSH

b) is produced by granulose cells in ovary and inhibits the secretion of LH

c) is produced by nurse cells in testes and inhibits the secretion of LH

d) inhibits the secretion of LH, FSH and prolactin.

 

19. Several hormones like hCG, hPL, oestrogen and progesterone are produced by

a) ovary

b) placenta

c) fallopian tube

d) pituitary

 

20. Match column I with column II and select the correct option using the codes given below

Column I	Column II
A. Mons pubis	1.Embryo formation
B. Antrum	2. Sperm
C. Trophectoderm	3. Female external genitalia
D. Nebenkem	4. Graafian follicle

 

    A B C D

a) 3 4 2 1

b) 3 4 1 2

c) 3 1 4 2

d) 1 4 3 2

 

21. Which one of the following is not the function of placenta?

a) To facilitate supply of oxygen and nutrients to embryo

b) To secrete oestrogen

c) To facilitate the removal of carbondioxide and material from embryo

d) To secrete oxytocin during parturition

 

22. The testes in human are situated outside the abdominal cavity inside a pouch called scrotum. The purpose served is for

a) escaping any possible compression by the visceral organs.

b) providing more space for the growth of epididymis.

c) providing a secondary sexual feature for exhibiting the male sex

d) maintaining the scrotal temperature lower than internal body temperature

 

23. Hormones secreted by placenta to maintain pregnancy are

a) hCG, hPL, progesterone, estrogen

b) hCG, hPL, estrogen, relaxin, oxytocin

c) hCG, hPL, progesterone, prolactin

d) hCG, progesterone, estrogen, glucocorticoids

 

24. Match and select the correct option

Column I	Column II
a. Proliferative phase	1. Breakdown of endometrium lining
b. Secretory phase	2. Follicular phase
c. Menstruation	3. Luteal phase

 

    a b c

A) 3 2 1

B) 2 3 1

C) 1 3 2

D) 3 1 2