Human reproductive system 1000+ MCQ with answer for LIC ADO

1. The pelvic inflammatory disease is common with which type of contraception?
A. Oral contraceptive pills
B. Diaphragms
C. Condoms
D. Intra uterine devices
Answer : D

2. The embryonic stage that resembles a mulberry fruit is
A. Nerula
B. Gastrula
C. Morula
D. Blastula
Answer : C

3. The number and appearance of chromosomes in the nucleus of a eukaryotic cell is called as
A. Karyotype
B. Genotype
C. Phenotype
D. Cytogenetics
Answer : A

4. The pre fertilisation process stage of sperm before entry into the ovum is called as
A. Maturation
B. Insemination
C. Capacitation
D. Fertilization
Answer : C

5. Amniotic fluid protects the foetus from ...
A. Shock
B. Abortion
C. Degeneration
D. Disease
Answer : A

6. In a 28 day menstrual cycle, ovulation occurs on ...
A. Day 1
B. Day 5
C. Day 14
D. Day 28
Answer : C

7. 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

8. Name the pituitary hormone that regulates sertoli cells
A. Prolactin
B. LH
C. FSH
D. Oxytocin
Answer : C

9. What is the best sperm extraction technique for men with obstructive azoospermia?
A. TESE - Microsurgical testicular sperm extraction
B. Percutaneous Epididymal Sperm Aspiration (PESA)
C. Intra cytoplasmic sperm injection ( ICSI)
D. Fine needle aspiration
Answer : B

10. Menstrual phase is followed by .
A. Luteal phase
B. Follicular phase
C. Fertilization
D. Implantation
Answer : B

11. After ovulation graffian follicles turns into
A. Corpus luteum
B. Corpus albicans
C. Corpus callosum
D. Corpus artesia
Answer : A

12. Failure of the brain to grow in the foetus may result in:
A. Plagiocephaly
B. Craniostenosis
C. Anencephaly
D. Microcephaly
Answer : D

13. 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

14. 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

15. Albinism is a congenital disorder resulting from the lack of which enzyme?
A. Tyrosinase
B. Xanthine oxidase
C. Catalase
D. Fructokinase.
Answer : A

16. What are the chances of a normal fertile couple having a baby in one year?
A. 40%
B. 80%
C. 20%
D. 50%
Answer : B

17. The part of the sperm containing proteolytic enzymes to digest the zona pellucida is the:
A. Capacitor
B. Head
C. Corona
D. Acrosome
Answer : D

18. Increase in basal body temperature in the middle of menstrual cycle is a sign of
A. Fertilization
B. Onset of menstruation
C. Menopause
D. Ovulation
Answer : D

19. Identical twins are also known as ..
A. monozygotic twins
B. Dizygotic twins
C. Fraternal twins
D. Zygotic twins
Answer : A

20. Haemophilia is more common in males because it is a
A. Recessive character carried by y-chromosome
B. Dominant character carried by y-chromosome
C. Dominant trait carried by x-chromosome
D. Recessive trait carried by x-chromosome
Answer : A

21. 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
Answer : D

22. Combined Oral contraceptives prevent pregnancy by
A. Tubal block
B. Preventing spermatogenesis
C. Forming a barrier between the ovum and sperm
D. Suppressing ovulation
Answer : D

23. Fertilization of the ovum takes place in
A. Ovary
B. Uterus
C. Fallopian tube ampulla
D. Cervix
Answer : C

24. The surgical method of contraception in males
A. Hysterectomy
B. Vasectomy
C. Castration
D. Circumcision
Answer : B

25. Thick layer which surrounds the ovum is ...
A. Zona pellucida
B. Membrana granulosa
C. Corona radiata
D. Theca interna
Answer : A

26. The chemical of the ovum that attracts and holds sperm
A. Fertilizin
B. Antifertilizin
C. Agglutin
D. Antiagglutinin
Answer : A

27. 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

28. 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

29. Membrane that gives protection to embryo from external shocks is
A. Amnion
B. Allantois
C. Chorion
D. Placenta
Answer : A

30. In which phase of menstrual cycle ovulation occurs in
A. Luteal
B. Menstrual
C. Proliferative
D. Secretory
Answer : C

31. Embryo at 16-celled stage is called ...
A. Morula
B. Blastula
C. Blastomere
D. Gastrula
Answer : A

32. The rate of active movement of sperm is ...
A. 1.5 -3.0 mm/min
B. 1.5 - 3.0 cm/min
C. 1.5 -3.0 m/min
D. 1.5 -3.0 m/hr
Answer : A

33. HCG, HPL and relaxin are produced in women ...
A. At puberty
B. During pregnancy
C. Before puberty
D. At menopause
Answer : B

34. Which of the following statements is most correct about the human menstrual cycle.
A. The menstrual cycle in all women is a 28 day cycle
B. Ovulation always occurs at the midpoint of the menstrual cycle
C. A high body temperature indicates ovulation is occurring
D. The menstrual cycle is an endocrine cycle regulating reproductive physiological changes
Answer : D

35. 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

36. Hormones that control the growth and maturation of graffian follicle is
A. FSH - LH
B. FSH - ICSH
C. ACTH - LH
D. GH - ADH
Answer : A

37. 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

38. Pregnancy begins with implantation of
A. Embryo
B. Fertilized ovum
C. Blastopore
D. Blastocyst
Answer : D

39. 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

40. Haemophilic man marries a normal woman. Their off springs will be
A. All haemophilic
B. All boys haemophilic
C. All girls haemophilic
D. All normal
Answer : D

41. Which layer of embryo is formed first
A. ectoderm
B. Mesoderm
C. Endoderm
D. Mesenchyma
Answer : C

42. An abnormal human male phenotype involving an extra x-chromosome (xxy) is found in....
A. Edwards syndrome
B. Klinefelters syndrome
C. Intersex
D. Downs syndrome.
Answer : B

43. 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

44. 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

45. Third phase of embryo development is ...
A. Cleavage
B. Fertilization
C. Gametogenesis
D. Gastrulation
Answer : D

46. During ovulation, for favourable sperm travel oestrogen causes
A. Cervical mucus to become stretchy and clear
B. Less cervical mucus production
C. Tenderness of cervix
D. Slight vaginal bleeding
Answer : A

47. The gonadotropic hormones are secreted by
A. Anterior pituitary
B. Posterior pituitary
C. Adrenals
D. Ovaries
Answer : A

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. Correct sequence in embronic development is ..
A. Fertilization -> zygote -> cleavage -> morula -> blastula -> gastrula
B. Fertilization -> zygote -> cleavage -> blastula -> morula -> gastrula
C. Fertilization -> zygote -> cleavage -> morula -> blastula -> gastrula
D. Fertilization -> zygote -> gastrulae -> morula -> blastula -> cleavage
Answer : A

50. Ovulation occurs under the influence of high titre of
A. LH
B. FSH
C. Estrogen
D. Progesterone
Answer : A