1. Sertoli cells are found in _____ of mammals.
(a) Kidney
(b) Ovary
(c) Testis
(d) Liver
Correct answer: (c) Testis
2. _____ is responsible for the inhibition of ovulation.
(a) Oestrogen
(b) Prolactin
(c) Progesterone
(d) Oxytocin
Correct answer: (c) Progesterone
(a) Nephrostome
(b) Ostium
(c) Vagina
(d) Ureter
Correct answer: (b) Ostium
4. Interstitial cells of testis produce _____ hormone for the development of secondary sexual characters in males.
(a) Testosterone
(b) Progesterone
(c) Thyroxin
(d) FSH
Correct answer: (a) Testosterone
5. _____ is the structural and functional unit of testis.
(a) Fallopian tube
(b) Nephric tube
(c) Urethra
(d) Seminiferous tubule
Correct answer: (d) Seminiferous tubule
6. Dysmenrrhoea - a painful menstruation is caused by:
(a) Uterine tumours
(b) Ovarian cysts
(c) Pelvic inflammation
(d) All of the above
Correct answer: (d) All of the above
7. The sperm produce some enzymes known as "Spermiolysin" which helps in:
(a) Spermatogenesis
(b) Viability of sperm
(c) Penetration of sperm
(d) Movement of sperms
Correct answer: (c) Penetration of sperm
8. Gametes are _____ in chromosomal make-up.
(a) Diploid
(b) Haploid
(c) Tetraploid
(d) Polyploid
Correct answer: (b) Haploid
9. Zygotes contain _____ number of chromosomes.
(a) n
(b) 2n
(c) 3n
(d) 4n
Correct answer: (b) 2n
10. The sertoli cells are regulated by which hormones of pituitary?
(a) GH
(b) Prolactin
(c) FSH
(d) LH
Correct answer: (c) FSH
(a) Lips
(b) Tongue
(c) Testis
(d) Penis
Correct answer: (d) Penis
(a) Seminal vesicle
(b) Prostate gland
(c) Bulbo-urethral gland
(d) Corpus spongiosum
Correct answer: (b) Prostate gland
(a) Sperm and secretions from seminal vesicle
(b) Sperm, secretions from seminal vesicle, prostate gland and Cowper's gland
(c) Sperm and secretion from Cowper's gland
(d) None of these
Correct answer: (b) Sperm, secretions from seminal vesicle, prostate gland and Cowper's gland
(a) 10-12 years
(b) 12-13 years
(c) 15-20 years
(d) 20-22 years
Correct answer: (b) 12-13 years
(a) Oestrogen
(b) Progesterone
(c) Both (a) and (b)
(d) None
Correct answer: (c) Both (a) and (b)
16. The endometrium is the lining of _____.
(a) Vas deferens
(b) Oviduct
(c) Uterus
(d) None
Correct answer: (c) Uterus
(a) Elephant
(b) Mouse
(c) Horse
(d) Dog
Correct answer: (a) Elephant
(a) Uriniferous tubule
(b) Malpighian tubule
(c) Vas deferens
(d) Seminiferous tubule
Correct answer: (d) Seminiferous tubule
19. In human female the structure corresponding to penis is ____.
(a) Urethra
(b) Clitoris
(c) Glans
(d) Vulva
Correct answer: (b) Clitoris
20. ____ are the nurse cells of spermatozoa.
(a) Leydig cells
(b) Germinal cells
(c) Sertoli cells
(d) Spermatids
Correct answer: (c) Sertoli cells
21. Androgens are secreted by _____.
(a) Testes
(b) Ovary
(c) Thyroid
(d) Adrenal
Correct answer: (a) Testes
22. Inhibin hormone is secreted by _____.
(a) Interstitial cells
(b) Sertoli Cells
(c) Spermatocyte
(d) Oocyte
Correct answer: (b) Sertoli Cells
23. Identify the odd one of the following.
(a) Infundibulum
(b) Fimbriae
(c) Labia minora
(d) Isthmus
Correct answer: (c) Labia minora
24. Cowper's gland is a part of ____.
(a) Liver
(b) Pancreas
(c) Male reproductive system
(d) Female reproductive system of human
Correct answer: (c) Male reproductive system
25. Fallopian tube is also called _____.
(a) Oviduct
(b) Ejaculatory duct
(c) Ductus deferens
(d) Vagina
Correct answer: (a) Oviduct
26. Acrosome is related to
(a) Ovum
(b) Sperm
(c) Oocyte
(d) Spermatocyte
Correct answer: (b) Sperm
27. Fertilization in human takes place in:
(a) Fallopian tube
(b) Uterus
(c) Vagina
(d) Ovary
Correct answer: (a) Fallopian tube
28. Which of the following is normally diploid (2n)?
(a) Spermatids
(b) Spermatogonium
(c) Secondary spermatocyte
(d) Polar body
Correct answer: (b) Spermatogonium
29. Which is outermost extra-embryonic membrane?
(a) Amnion
(b) Allantois
(c) Chorion
(d) Yolk sac
Correct answer: (c) Chorion
30. Menstrual cycle stops during or after:
(a) Gestation period
(b) Lactation period
(c) 45-50 years of age
(d) All of the above
Correct answer: (d) All of the above
31. Synthesis of yolk is known as:
(a) Gluconeogenesis
(b) Glycolysis
(c) Vitellogenesis
(d) None of the above
Correct answer: (c) Vitellogenesis
32. Artificial labour can be induced by:
(a) Oxytocin
(b) Prolactin
(c) Thyroxine
(d) Corticosterone
Correct answer: (a) Oxytocin
33. Which of the following stores and nourishes the sperms?
(a) Ovary
(b) Epididymis
(c) Oviduct
(d) Ureter
Correct answer: (b) Epididymis
34. The process by which spermatids are converted into sperms is called ____.
(a) Spermioteliosis
(b) Spermiogenesis
(c) Spermatogenesis
(d) Both (a) and (b)
Correct answer: (d) Both (a) and (b)
(a) Head of sperm
(b) Acrosome of sperm
(c) Neck of sperm
(d) Tail of sperm
Correct answer: (c) Neck of sperm
36. Clitoris is an outgrowth of which?
(a) Non-functional penis
(b) Analogous to penis
(c) Homologous to penis
(d) Functional penis in females
Correct answer: (c) Homologous to penis
37. Archenteron is surrounded by :
(a) Ectoderm
(b) Endoderm
(c) Mesoderm
(d) Blastomeres
Correct answer: (b) Endoderm
38. Extrusion of second polar body from egg nucleus occurs :
(a) After entry of sperm before completion of fertilization
(b) After completion of fertilization
(c) Before entry of sperms
(d) Without any relation of sperm entry
Correct answer: (a) After entry of sperm before completion of fertilization
39. Which one is the correct sequence in the process of development?
(a) Cleavge - zygote - fertilization - morula - blastula - gastrula
(b) Fertilization - zygote - cleavage - morula - blatsula - gastrula
(c) Fertilization - cleavage - morula - zygote - gastrula - blatsula
(d) Fertilization - zygote - blastula - morula - cleavge - gastrula
Correct answer: (b) Fertilization - zygote - cleavage - morula - blatsula - gastrula
40. Placenta of human being is formed by :
(a) Amnion
(b) Chorion
(c) Allantois
(d) Allantois, chorion, and uterine wall
Correct answer: (d) Allantois, chorion, and uterine wall
41. Which type of cleavge occurs in the zygote of human female?
(a) Holoblastic and equal
(b) Meroblastic
(c) Holobalstic and unequal
(d) Diplobalstic
Correct answer: (a) Holoblastic and equal
42. In which stages of development three germ layers are formed ?
(a) Gastrula
(b) Blastula
(c) Coeloblast
(d) Morula
Correct answer: (a) Gastrula
43. Estrogen is secreted by:
(a) Interstitial cell
(b) Granulosa cells of Graffian follicle
(c) Germinal epithelium of ovary
(d) Pituitary
Correct answer: (b) Granulosa cells of Graffian follicle
44. Testes descend into scrotum in mammals for:
(a) Spermatogenesis
(b) Fertilization
(c) Development of sex organ
(d) None of these
Correct answer: (a) Spermatogenesis
45. Antrum is a cavity of:
(a) Ovary
(b) Graffian follicle
(c) Blastula
(d) Gastrula
Correct answer: (b) Graffian follicle
46. How many sperms are produced from a single primary spermatocyte?
(a) 2
(b) 3
(c) 4
(d) 5
Correct answer: (c) 4
47. Mammary gland is a modified ____.
(a) Sebaciuos glnad
(b) Sweat gland
(c) Cutaneous gland
(d) Scent glands
Correct answer: (b) Sweat gland
48. Acrosome of spematozoa is formed from:
(a) Lysosome
(b) Mitochondria
(c) Ribosomes
(d) Golgibodies
Correct answer: (d) Golgibodies
49. Sequence of hormone during menstrual cycle is ____.
(a) Oestrogen , Progesterone and FSH
(b) Progesterone, Oestrogen and FSH
(c) FSH, Oestrogen and Progesterone
(d) FSH, Progesterone and Oestrogen
Correct answer: (c) FSH, Oestrogen and Progesterone
50. How many autosomes are present in a mature human sperm?
(a) 20
(b) 22
(c) 44
(d) 46
Correct answer: (b) 22
51. A cavity in gastrula is ____.
(a) Archenteron
(b) Blastocoel
(c) Haemocoel
(d) Hydrocoel
Correct answer: (a) Archenteron
52. Proliferation of endometrium of uterus is controlled by:
(a) Relaxin
(b) Oxytocin
(c) Progesterne
(d) Oestrogen
Correct answer: (d) Oestrogen
53. Which one of the following is immortal?
(a) Somatic cell
(b) Germ cells
(c) Glomerular cell
(d) Pitucytes
Correct answer: (b) Germ cells
54. Which hormone in urine conforms pregnancy?
(a) Progesterone
(b) Estrogen
(c) Human chorionic gonadotropin
(d) Prolactin
Correct answer: (c) Human chorionic gonadotropin
55. The Leydig cells secrete:
(a) Glucagon
(b) Androgens
(c) Oestrogen
(d) Lactogen
Correct answer: (b) Androgens
56. In human fertilization occurs in:
(a) Uterus
(b) Vagina
(c) Fallopian tube
(d) Ovary
Correct answer: (c) Fallopian tube
57. During spermatogenesis, the first meiotic division is observed in:
(a) Spermatozoans
(b) Spermatids
(c) Ootids
(d) Primary spermatocytes
Correct answer: (d) Primary spermatocytes
58. The cells of Rauber are:
(a) Secretory cells of endometrium in uterus
(b) Inner cell mass of blastocoel
(c) Cells of trophoblast in contact with inner cell mass of blastocyst
(d) Sertoli cells
Correct answer: (c) Cells of trophoblast in contact with inner cell mass of blastocyst
59. Sperm of animal species A cannot fertilize ovum of species B because:
(a) Antifertilizin of A and B are not compatible.
(b) Antifertilizin of A and fertilizin of B are not compatible.
(c) Fertilizin of A and B are not compatible.
(d) None of the above.
Correct answer: (b) Antifertilizin of A and fertilizin of B are not compatible.
60. Humans are :
(a) Oviparous
(b) Viviparous
(c) Ovo-viviparous
(d) None of these
Correct answer: (b) Viviparous