CSIR GATE ICMR study materials: Reproductive system

1.Which one of the following is not formed from mesoderm?
(a) Blood
(b) Bones and cartilage
(c) Kidneys
(d) Nervous system

2.Which one of the following events is correctly matched with the time period of the normal menstrual cycle?
(a) Release of ovum – 5th day
(b) Endometrium regenerates – 5 – 10 days
(c) Endometrium secretes nutrients for implantation – 11 – 18 days
(d) Rise in progesterone level – 1 – 15 days

3.Which one is unpaired gland in male reproductive system
(a) Seminal vesicle
(b) Cowper’s gland
(c) Prostate gland
(d) Lacrimal gland

4.Which one is not associated with gametogenesis?
(a) Formation of ova
(b) Formation of spermatid
(c) Release of ova
(d) Change of spermatids of spermatozoa

5.Which one is involved in nourishing spermatozoans?
(a) Leydig cells
(b) Gubernaculum
(c) Sertoli cells
(d) Interstitial cells

6.Which one is initiated by secretion of trophoblast?
(a) Blastulation
(b) Cleavage
(c) Gastrulation
(d) Implantation

7.Which one is incorrect about menstruation?
(a) At menopause, there is abrupt increase in gonadotrophic hormones
(b) Beginning of cycles of menstruation is called menarche
(c) During normal menstruation about 40 ml of blood is lost
(d) The menstrual fluid can easily clot

8.Which one holds corona radiata?
(a) Mucopolysaccharide
(b) Oligosaccharide
(c) Lipopolysaccharide
(d) Lipoprotein

9.Which one functions as endocrine gland after ovulation?
(a) Stroma
(b) Vitelline Membrane
(c) Germinal epithelium
(d) Graafian follicle

10.Which of the following is ectodermal?
(a) Muscular tissue
(b) Epithelial tissue
(c) Nervous tissue
(d) Connective tissue

11.Which of the following is a gonad?
(a) seminal vesicle
(b) penis
(c) testis
(d) all of the above

12.Which of the following hormones prepares endometrium for embryo implantation?
(a) LH
(b) Progesterone
(c) FSH
(d) Testosterone

13.Which is incorrect?
(a) Menstruation lasts 4 days
(b) Menstrual cycle takes 28 days
(c) Menopause occurs at 45 – 55 years
(d) Ovulated egg released during pregnancy die

14.Which is ectodermal in origin?
(a) Kidney
(b) Lungs
(c) Brain
(d) Notochord

15.Which hormone is responsible for the rupture of follicle and initiating the formation of corpus luteum?
(a) follicle stimulating hormone
(b) luteotropin
(c) luteinizing hormone
(d) all of the above

16.Which group represents external genitalia of human female?
(a) Labium minora, labium majora, vagina
(b) Labium minora, labium majora, oviduct
(c) Labium minora, labium majora, cervix
(d) Labium minora, labium majora, clitoris

17.Which extraembryonic membrane in humans prevents desiccation of embryo inside the uterus?
(a) Yolk sac
(b) Amnion
(c) Chorion
(d) Allantois

18.Which cells of the testis provide nourishment to spermatozoa?
(a) Sertoli cells
(b) Leydig cells
(c) Interstital cells
(d) Spermatogonia

19.When egg is not fertilized, yellow coloured corpus luteum degenerates to form
(a) Corpus albicans
(b) Corpus callosum
(c) Corpus striatum
(d) Corpora quadrigemina

20.What is true about cleavage in fertilized egg of humans?
(a) Meroblastic
(b) Starts when egg reaches uterus
(c) starts in fallopian tube
(d) It is identical to normal mitosis

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