Sunday, September 15, 2013

NEET BIOLOGY MCQ-Human Reproduction




1. Forensic investigation of rape case focuses on the presence of fructose in female reproductive system, the only part of the human body producing fructose is
(a) Cowper’s gland
(b) prostate gland
(c) testes
(d) Seminal vesicle
(e) epididymis
2. Secretion of tesesterone by Leydig’s cells is stimulated by
(a) FSH
(b) TSH
(c) LH
(d) ACTH
(e) ICSH
3. HIV virus causing AIDS infjects mainly
(a) helper T- cells
(b) Suppressor T-Cells
(c) Killer T-cells
(d) Cytotoxic Cells
(e) B-lymphocytes
4. Prions are pertinacious particles capable of causing injections; prions are discovered by
(a) Rober Koch
(b) Jonas Salk
© Stanley Prusiner
(d) S.A. Waksman
(e) Karl Landsteiner
5. Persons with higher count of Ig-E antibodies are prone to
(a) HIV
(b) Tuberculosis
© Allergy
(d) Typhus Fever
(e) Rabies
6. Which one of the following is produced early in the life of a human female?
(a) Relaxin
(b) Oxytocin
© Prolactin
(d) Progesterone
(e) Human Chorionic Gonadotropin
7. Pregnancy test is confirmed by the presence of
(a) Prolactin in urine
(b) relaxin in urine
© h C G in urine
(d) FSH and LH in urine
(e) renin and erythropoietin in urine
8. A very low regeneration ability is shown by
(a) ammelids
(b) mematode worms
© echinoderms
(d) flat worms
(e) tape worms
9. Sperm of an animal species ‘X’ is unable to fertilize the egg of ‘Y’ because
(a) fertilisin of ‘X’ and ‘Y’ are not compatible
(b) antifertilisin of ‘X’ and ‘Y’ are not compatible
© fertilisin of ‘X’ and ‘Y’ are not compatible
(d) antifertilisin  of ‘X’ and ‘Y’ are not compatible.
(e) none of the above
10. For the formation of 32 spermatids and 16 ova the number of meiosis required is
(a) 4 and 16
(b) 4 and 8
© 8 and 16
(d) 8 and 8
(e) 32 and 16
11. Implantation of human embryo occurs when it is a
(a) morula
(b) neurula
(c) gastrula
(d) zygote
(e) blastcyst
12. Hormone that prevents ovulation is
(a) prolacitn 
(b) progesterone
(c) estrogens
(d) FSH
(e) LH.
13. Pick up the wrong pair
(a) Leydig’s cells- secretion of testosterone
(b) Epididymis- Store house of sperms
© Type A spermatogonia- procusors of sperms
(d) Decidua basalies- maternal part of placenta
(e) Gastrulation- morphogenetic movement
14. The statement pertaining o primary spermatocyte is
(a) Products of meiosis I
(b) haploid cells with 22+ x or 22+y compliments
© giving origin to spermatid
(d) spermatogenesis occurs
(e) Type –B spermatogonium lineage
15. Follicular atresia refers to
(a) formation of Graafian follicles
(b) rearrangement of follicular cells to form CL
© formation of corpus albicans
(d) development of antrum
(e) regression and disappearance of ovarian follicles
16. The oocyte is covered by a thick coat called zona pellucida made up of
(a) granulose cells
(b) glycoprotein
© chitinous material
(d) thecal cells
(e) Lactose
17. Human blastula is called
(a) Coeloblastula
(b) discoblastula
© stereoblastula
(d) blastocyst
(e) holoblastula
18. Tyson’s glands occur in male on
(a) urethra
(b) scrotum
(c) prepuce
(d) epididymis
(e) seminal vesicle.
19. Chromosome number is halved during
(a) formation of first polar body
(b) formation of second polar body
© formation of primary oocyte
(d) division of second polar body
(e) division of secondary oocyte
20. In human female ovulation occurs during mensterual cycle
(a) at the end of proliferative phase
(b) at the beginning of proliferative phase
© before the end of secretary phase
(d) in the middle of secretary phase
(e) None of the above
21. Trophectoderm cells are involved in
(a) formation of extraembryonic membrance
(b) formation of placenta
© drawing of food for the developing embryo
(d) all the above
(e) none of the above
22. Sertoli cells are
(a) endocrine
(b) nutritive
(c) protective
(d) Secretary
(e) all the above
23. Which one occurs first in the human embryo
(a) neurogenesis
(b) notogenesis
© cardiogenesis
(d) hepatogenesis
(e) osteogesis
24. The embryonic stage that resembles a mulberry fruit is
(a)zygote
(b) nerula
(c) gastrula
(d)morula
(e) blastula
25. The process not involved in gametogenesis is
(a) formation of polar body
(b) formation of spermatid
© metamorphism of spermatid
(d) formation of Graafian follicle
(e) release of ova from ovary
26. Pick up the wrong match
(a) Bartholin’s glands- human vagina
(b) sertoli cells- seminiferous tubules
© corpus albicans – degenerated white body
(d) conversion of spematid to sperm – spermatogenesis
(e) Estrogens, FS and LH- control of menstrual cycle
27. Match columns to get correct combination
Column I
Column II
              1. Morula
        p-placenta
             2. Rubella Virus
       q-connection of foetus & placenta
            3. Chorionic gonadolropins
        r-prevention of polyspermy
            4. Cortical reaction
        s-16 cell stage
            5. umbilical cord
        t-teratogen

(a)  1=t, 2=r, 3=s, 4=q, 5=p
(b) 1=q, 2=p, 3=t, 4=r, 5=s
©   1=s, 2=t, 3=p, 4=r, 5=q
(d) 1=t, 2=q, 3=p, 4=s, 5=r
(e)  1=r, 2=s, 3=q, 4=t, 5=s
28. Pregnancy is established by
(a) insemination
(b) Ejaculation
© Copulation
(d) implantation
(e) capacitation
29. The three primary germ layers, ectoderm, endoderm and mesoderm are differentiated during
(a) blastulation
(b)neurulation
© gastrulation
(d) tabulation
(e) organogency
30. Chorion encircles and covers
(a) amnion
(b) yolk-sac
(c) allantois
(d) embryo
(e) all the above


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