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1000+ Human reproductive system Multiple Choice Question Answer [Solved]

Thursday 9th of March 2023

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1. Which one of the following is produced early in the life of a human female?
A. Relaxin
B. Oxytocin
C. Prolactin
D. Progesterone
Answer : C
2. The three primary germ layers, ectoderm, endoderm and mesoderm are differentiated during
A. Blastulation
B. Neurulation
C. Gastrulation
D. Organogenesis
Answer : C
3. Chorionic gonadotropin is secreted by ...
A. Pituitary
B. Ovary
C. Placenta
D. Uterus
Answer : C
4. Part of fallopian tube closest to ovary is
A. Infundibulum
B. Cervix
C. Ampulla
D. Isthmus
Answer : A
5. A marriage between man with normal vision and colour blind woman will give birth to
A. Colour blind sons and 50% carrier daughter
B. 50% colourblind sons and 50% carrier daughter
C. Normal males and carrier daughters
D. Colour blind sons and carrier daughters.
Answer : D
6. Corona radiata is held by...
A. Mucopolysaccharide
B. Oligosaccharide
C. Lipopolysaccharide
D. Lipoprotein
Answer : A
7. In a 28 day menstrual cycle, ovulation occurs on ...
A. Day 1
B. Day 5
C. Day 14
D. Day 28
Answer : C
8. Layers of ovum from outside to inside are .
A. Corona radiata, zona pellucida, vitelline membrane
B. Zona pellucida, corona radiata, vitelline membrane
C. Vitelline membrane, zona pellucida, corona radiata
D. Zona pellucida, vitelline membrane, corona radiate
Answer : A
9. The embryonic stage that resembles a mulberry fruit is
A. Nerula
B. Gastrula
C. Morula
D. Blastula
Answer : C
10. Identical twins are also known as ..
A. monozygotic twins
B. Dizygotic twins
C. Fraternal twins
D. Zygotic twins
Answer : A
11. Fertilization is fusion of ..
A. Diploid spermatozoan with diploid ovum to form diploid zygote
B. Haploid spermatozoan with diploid ovum to form diploid zygote
C. Diploid spermatozoan with haploid ovum to form diploid zygote
D. Haploid spermatozoan with haploid ovum to form diploid zygote
Answer : D
12. Immediately after ovulation, the ovum is covered by a membrane called
A. Chorion
B. Zona pellucida
C. Corona radiata
D. Vitelline membrane
Answer : B
13. Highly sophisticated procedure of injecting sperm directly into the ovum is
A. GIFT
B. ZIFT
C. ICSI
D. IUI
Answer : C
14. Mongolian idiocy due to trisomy in 21st chromosome is known as
A. Downs syndrome
B. Turners syndrome
C. Klinefelters syndrome
D. Triple x syndrome
Answer : A
15. Fertilization of the ovum takes place in
A. Ovary
B. Uterus
C. Fallopian tube ampulla
D. Cervix
Answer : C
16. What is Hirsuitism in females? (Usually with Poly cystic ovarian disease)
A. Unusually tall
B. Abnormal growth of facial and body hair
C. Abnormal voice
D. Short stature
Answer : B
17. Which part of the ovary act as an endocrine gland in human beings
A. Stroma
B. Vitteline membrane
C. Graffian follicle
D. Epithelium
Answer : C
18. Which one is not the function of human placenta
A. Helps co2 and excretory products pass from foetus to mother's body
B. Helps o2 and nutrients from mother's body enter the foetus
C. Secretes hormones
D. It protects foetus from mechanical shocks
Answer : D
19. The most important region of the decidua for the nourishment of the conceptus is the deciduas
A. Frondosum
B. Capsularis
C. Parietalis
D. Basalis
Answer : D
20. Most of major organs of human embryo are formed by the
A. 16th week of pregnancy
B. 15th week of pregnancy
C. 14th week of pregnancy
D. 12th week of pregnancy
Answer : D
21. At the end of meiosis I, the Oocyte yields
A. Secondary Oocyte and first polar body
B. First polar body
C. Secondary Oocyte
D. Second polar body
Answer : A
22. Failure of the brain to grow in the foetus may result in:
A. Plagiocephaly
B. Craniostenosis
C. Anencephaly
D. Microcephaly
Answer : D
23. Cryptorchidism is ...
A. Nondescent of testes in scrotum
B. Nondevelopment of testes
C. Removal of scrotum
D. Breaking connection of vas deferens
Answer : A
24. Pregnancy test s confirmed by the presence of
A. Prolactin in urine
B. Relaxin in urine
C. H c g in urine
D. Fsh and lh in urine
Answer : C
25. After ovulation graffian follicles turns into
A. Corpus luteum
B. Corpus albicans
C. Corpus callosum
D. Corpus artesia
Answer : A
26. Fertility in women may be impaired by
A. Hypertension
B. Gall stones
C. Obesity
D. Short stature
Answer : C
27. Part of sperm that passes into ovum is
A. Tail
B. Acrosome
C. Head
D. Head, neck and middle piece
Answer : D
28. Acrosome occurs in the sperm in
A. Tail part
B. Behind the nucleus
C. Middle piece
D. Tip
Answer : D
29. In a semen analysis, the following is not acceptable as normal�
A. 25 % abnormal forms
B. 60% motility after 3 hours
C. Mild Alkaline reaction
D. Sperm count of 17 million per ml.
Answer : D
30. Prostate gland produces a secretion for ...
A. Attracting sperms
B. Stimulating sperm activity
C. Inhibiting sperm activity
D. None of the above
Answer : B
31. Gestation period of 280 days is calculated from time of ...
A. Last menstruation
B. Fertilization
C. First day of last menstruation
D. Ovulation
Answer : C
32. The number of chromosomes present in sperms
A. 46
B. 23
C. 23 + X
D. 23+ Y
Answer : B
33. In menstrual cycle the secretory phase is also known as
A. luteal phase and lasts for 6 days
B. Luteal phase and lasts for 13 days
C. Follicular phase and lasts for 13 days
D. Follicular phase and lasts for 6 days
Answer : B
34. Medical termination of pregnancy is safe till how many weeks of pregnancy?
A. 10 weeks
B. 12 weeks
C. 20 weeks
D. 22 weeks
Answer : B
35. After fertilization, implantation of human embryo takes place on
A. 10 th day
B. 14 th day
C. 7 th day
D. 3 rd day
Answer : C
36. Temperature in scrotum necessary for sperm formation is usually ...
A. 2°c above body temperature
B. 2° c below body temperature
C. 4°c above body temperature
D. 4° c below body temperature
Answer : B
37. Which one takes part in formation of placenta? ...
A. Only trophoblast
B. Only allantois
C. Trophoblast and mesoderm
D. Trophoblast and mesoderm and allantois
Answer : D
38. In infertility treatment the ovum is fertilized outside the body and injected into the uterus
A. Gamete intra fallopian transfer
B. Invitro fertilization
C. Intra uterine insemination
D. Zygote intra fallopian transfer
Answer : B
39. Level of estrogen and progesterone are minimum at the time of
A. Follicular phase
B. Ovulation
C. Secretory phase
D. Onset of menstrual phase
Answer : D
40. When there is no fertilization, the corpus luteum ...
A. Stops secreting progesterone
B. Changes to corpus albicans
C. Starts producing progesterone
D. Begins next cycle
Answer : B
41. The chemical of the ovum that attracts and holds sperm
A. Fertilizin
B. Antifertilizin
C. Agglutin
D. Antiagglutinin
Answer : A
42. Pregnancy can be detected as early as on
A. 28 th day of cycle
B. 8th week
C. 40 th day of the cycle
D. 10 th week
Answer : A
43. The middle piece of the sperm contains
A. Protein
B. Nucleus
C. Mitochondria
D. Centriole
Answer : C
44. Pregnancy begins with implantation of
A. Embryo
B. Fertilized ovum
C. Blastopore
D. Blastocyst
Answer : D
45. Sertoli cells are found in
A. Seminiferous tubules
B. Ovaries
C. Prostate gland
D. Semen
Answer : A
46. Human embryo is enclosed by a sac called
A. Scrotum
B. Ericardium
C. Placenta
D. Amniotic sac
Answer : D
47. Sickle cell anaemia induce to
A. Change of amino acid in a- chain of haemoglobin
B. Change of amino acid in b- chain of haemoglobin
C. Change of amino acid in both a and b chains of haemoglobin
D. Change of amino acid either a or b chains of haemoglobin
Answer : B
48. Which part of the foetus is developed from mesoderm?
A. Heart and notochord
B. Heart and brain
C. Spinal cord and notochord
D. Brain and notochord
Answer : A
49. Albinism is a congenital disorder resulting from the lack of which enzyme?
A. Tyrosinase
B. Xanthine oxidase
C. Catalase
D. Fructokinase.
Answer : A
50. A child's blood group is 'o'. The parent's blood groups cannot be
A. A AND B
B. A AND A
C. AB AND O
D. B AND O
Answer : C

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