Chap.20 Reproduction MCQs

 

1.	Reproduction
2.	The testes are male gonads having lobules: (a) 200 – 300               (b) 200 - 350 (c) 250-300                  (d) 250 - 350	C
3.	Male sex hormones testosterone is produced by the cell present between seminiferous tubules: (a) Soma Cell               (b) Leyden Cell © Epididymis               (d) None of them	B
4.	The no. of vasa different to collect sperms from inside the testes and transferred to epididymis are: (a) 10-12                      (b) 10-15 (c) 10-20                      (d) 10 - 25	C
5.	Epididymis is highly coiled duct with uncoiled length of (a) 10 Feet                   (b) 20 Feet (c) 30 Feet                   (d) 40 Feet	B
6.	The duct that moves deep to the pelvic cavity and joins with seminal vesicle to form short ejaculatory duct is: (a) Vasa Efferentia      (b) Vasa Deferentia © Vasa Recta               (d) Epididymis	B
7.	The sperm motility will be enhanced by fructose sugar, ascorbic acid and a coagulative enzyme: (a) Amylase                 (b) Ligase (c) Polymerase             (d) Vesiculase	D
8.	Semen is a white, sticky mixture of sperm and secretions of: (a) Cowper's Gland      (b) Bulbourethral Gland (C) Prostate Gland       (d) Accessory Gland	D
9.	The viscosity of mucus of the uterus of female  reproductive tract will be decreased in semen by: (a) Prostaglandins        (b) Vesiculase. (c) hyaluronidase         (d) all of them	A
10.	Semen is slightly alkaline with a pH: (a) 7-7.6                       (b) 7.2-7.5 (c) 7.2-7.8                    (d) 7.2 7.6	D
11.	The amount of semen propelled out during ejaculation is 2-5 ml, having sperms in per milliliter: (a) 10 - 150 Million     (b) 20 150 Million (c) 20 - 100 Million     (d) 10 - 100 Million	B
12.	Gonadotrophin releasing hormone (GnRH) is  responsible for the stimulation / release of which hormone? (a) LH                          (b) Progesterone © Secretin                    (d) Insulin	A
13.	Fertilization of the ovum normally occurs: (a) In the upper third of the oviduct (b) In the uterus (c) In the lower third of the oviduct (d) In Vagina	A
14.	The human egg is swept through the oviduct towards the uterus by: (a) The beating of the egg's cilia (b) Rhythmic contraction of oviduct (c) Rhythmic contraction of the uterus (d) Beating of cilia in the oviduct	A
15.	Embryo implants in the of the uterus. (a) Perimetrium                        (b) Myometrium (c) Endometrium          d) Cervix	C
16.	Which will occur as a result of non-descent of the testes? (a) Male sex hormones will not be circulated in the body (b) Sperm will have no means of exit from the body (c) Inadequate blood supply will retard the development of the testes (d) Viable sperms will not be produced	D
17.	Within the ovary, progesterone is produced by (a) Corpus Albicans     (b) Corpus Luteum (c) Tertiary Follicles     (d) Primary Follicles	B
18.	The basie difference between spermatogenesis and oogenesis is that: (a) During spermatogenesis two more polar bodies are produced (b) The mature ovum is haploid while the sperm is 2n (c) Spermatogenesis involves mitosis and meiosis, but oogenesis involves meiosis only (d) In oogenesis, one mature ovum is produced and in spermatogenesis four mature sperms are produced	D
19.	The uterine layer which is shed with each monthly cycle (a) Endometrium          (b) Perimetrium (c) Tunica Media         (d) Myometrium	A
20.	Which is the correct order of the stages of menstrual cycle? (a) Follicular phase-ovulation-menstruation — Luteal phase (b) Ovulation - luteal – menstruation follicular phase © Follicular phase-ovulation - luteal phase menstruation (d) Luteal phase-follicular phase – ovulation menstruation	C
21.	Reproduction is very important for the survival of: (a) Species                   (b) Individual (c) Population              (d) Both a and b	D
22.	Human sperm was first discovered in 1677 by: (a) Morgan                   (b) Landsteiner (c) Leeuwenhoek         (d) Sutton	C
23.	Human ovum was discovered in 1928 by: (a) Hertwig                   (b) Edgar Allen (c) Von Baer                (d) Haeckel	B
24.	The optimum temperature for sperm development is about: (A)20°C.                      (b) 35 C (c) 37°C                       (d) 40°C	B
25.	The process of spermatogenesis takes place in: (a) Seminiferous Tubules (b) Epididymis (c) Vas Deferens (d) Vasa Efferentia	A
26.	Testosterone is produced by: (a) Sertoli Cells (b) Leydig Cells (c) Seminiferous Tubules (d) Hypothalamus	B
27.	Vas deferens has a length of about: (a) 10 cm                     (b) 20cm (c)30 cm                      (d) 45cm	C
28.	Ejaculatory duct is formed by the union of: (a) Vasa efferentia and epididymis (b) Epididymis and vas deferens (c) Vasa efferentia and vas deferens (d) Duct of seminal vesicle and vas deferens	D
29.	How much semen a human male ejaculates? (a) 2 cm                       (b) 5cm (c) 10cm                      (d) 15cm	B
30.	The enzyme vesiculase is present in the secretion of: (a) Seminal Vesicles    (b) Prostate Gland (c) Cowper's Gland      (d) All of these	A
31.	Prostaglandins are chemically (a) Carbohydrates        (b) Proteins (c) Lipid                       (d) Enzymes	C
32.	Cowper's gland are also called: (a) Seminal Vesicles (b) Prostate Gland (c) Bulbourethral Glands (d) Brunner's Gland	C
33.	Nourishment to spermatozoa is provided by: (a) Leydig Cells                       (b) Sertoli (c) Parietal Cells           (d) Chief Cells	B
34.	Adult testes are oval organs of length: (a) 2 cm                       (b) 5cm (c) 7cm.                       (d) 9cm	B
35.	The process of the maturation of spermatids into motile and active sperms is called: (a) Spermatogenesis     (b) Spermiogenesis (c) Ejaculation             (d) None of them	B
36.	One primary spermatocyte gives rise to: (a) Two Sperms                       (b) Four Sperms (c) Eight Sperms          (d) One Sperm
37.	Which part of the sperm contains mitochondria? (a) Acrosome               (b) Neck (c) Middle Piece           (d) Tail	C
38.	Sertoli cells produce: (a) Luteinizing hormone (b) Follicle stimulating hormone (c) Inhibin (d) Gonadotrophin releasing hormone	C
39.	If one or both testes fail to descend into the scrotum before birth, this condition is called: (a) Cryptorchidism       (b) Immaturation (c) Degeneration          (d) Gynaecomastia	C
40.	Ovaries have a length of: (a) 1cm                                    (b) 3.5cm © 5cm                          (d) 7cm	C
41.	The wall of uterus is composed of: (a) Perimetriu               (b) Myometrium (c) Endometrium          (d) All of these	D
42.	Primary oocyte undergoes meiotic division to form: (a) Two ova and two polar bodies (b) Three ova and one polar body (c) One ovum and three polar bodies (d) Four ova only	C
43.	Which glands are present in females? (a) Cowper's Gland      (b) Seminal Vesicles (c) Prostate Gland        (d) Bartholin's Gland	D
44.	Infertility in men is mot often caused by: (a) Endometriosis         (b) Varicocele (c) Uterine Fibroids      (d) None of them.	B
45.	the spontaneous loss a foetus before the 20th week of pregnancy is called. (a) Preterm delivery     (b) Miscarriage (c) Parturition               (d) Ectopic Pregnancy	B
46.	Which of the following is a gram negative bacteria? (a) Neisseria Gonorrhoeae (b) Treponema pallidum (c) Both of these (d) None of them	C
47.	red, painless primary lesion called a chancre is formed in the infection of: (a) Gonorrhea              (b) Syphilis (c) AIDS                      (d) All of these	B
48.	Human ovum has a diameter of about: (a) 2um                                    (b) 20um (c) 100um                    (d) 10um.	B