Human Reproduction, NCERT important Questions for NEET 

Human Reproduction 

Human Reproduction: Male and female reproductive systems; Microscopic anatomy of testis and ovary;
Gametogenesis-spermatogenesis & oogenesis; Menstrual cycle; Fertilisation, embryo development upto blastocyst
formation, implantation; Pregnancy and placenta formation (Elementary idea); Parturition (Elementary idea); Lactation
(Elementary idea).
Reproductive health: Need for reproductive health and prevention of sexually transmitted diseases (STD);
Birth control-Need and Methods, Contraception and Medical Termination of Pregnancy (MTP); Amniocentesis;
Infertility and assisted reproductive technologies – IVF, ZIFT, GIFT (Elementary idea for general awareness).

46. Correct sequence of spermatogenesis:  (a) spermatogonia 

(b) spermatids 

(c) primary spermatocyte 

(d) secondary spermatocyte 

(e) spermatozoa

 a →c→d→ b →e

47. After spermiogenesis; sperm head become embedded into the.. 

Sertoli cells 

48. Match the column 






 Released of sperms from the seminiferous tubules



 Semen is released by the penis into the vagina



 Released of sperms outside the male body




 a-(i), b-(ii), c-(i)

49. Match the column :- 






(i) multiply by mitotic division


 Primary spermatocyte

(ii) undergo second meiotic division


 Secondary spermatocytes 

(ii)undergo meiosis-I



(iv) Transformed into sperms by the process of spermiogenesis 

 a-(i), b-ii), c-(ii), d-(iv) 


50. How many structures are haploid ?  Spermatogonia, spermatozoa, spermatids, primary spermatocyte, secondary spermatocytes.

3(Spermatozoa, secondary      spermatocyte, spermatid) 

51. How many structures are diploid ?, Sperms, spermatid, spermatogonia, primary spermatocyte,  secondary spermatocytes 

2 (Spermatogonia, primary spermatocyte)

52. Spermatogenesis starts at the age of ___(A)___ due to significant  increase in the secretion of ___(B)___. 

(A) Puberty (B) GnRH 

53. ____(A)___ acts at the leyding cells and stimulates synthesis and secretion of ___(B)___

(A) LH (B) androgens

54. The sperm head contains an elongated diploid nucleus. (True/false) 


55. Which part of sperm produce energy for the movement of tail ? 

Middle piece 

56. The human male ejaculates about ___(A)____ million sperms during
a coitus of which for normal fertility at least ____(B)___ percent sperms must have normal shape and size and at least ___(C)___ percent of themmust show vigorous motility. 

(A) 200-300 (B) 60 (C) 40 

57. The functions of male sex accessory ducts and glands are maintained by the...

Testicular hormones (Androgens) 

58. The process of formation of a mature female gamete is called ? 


59. The oogenesis is initiated during the .
......  stage.

Embryonic development

60. How many primary follicles are left in each ovary at puberty ? 

60,000 - 80,000 

61. Correct sequence of follicular development :  

(a) Graafian follicle (Mature tertiary) 

(b) Primary follicle 

(c) Tertiary follicle 

(d) Secondary follicle 

b→d→c→ a

62. The Graafian follicle ruptures to release the ___(A)___ from the ovary by the process called ___(B)___

(A)Secondary oocyte (B) Ovulation

63. The reproductive cycle in the female primates is known as  ........

Menstrual cycle

 64. The first menstruation begins at ___(A)___ and is called ___(B)___

(A) Puberty (B) Menarche

65. In human females, menstruation is repeated at an average interval 
of about ?

28 or 29 days 

66. How many ovum is released during the middle of each menstrual cycle ? 


67. Menstrual phase is completed about ? 

3-5 days 

68. The menstrual flow results due to breakdown of ... 


69. The menstrual phase is followed by the which phase ? 

Follicular phase 

70. During follicular phase changes in the ovary and the uterus are induced by changes in the levels of ___(A)___ and ___(B)___ hormones. 

(A) Pituitary (B) Ovarian

71. Both LH and FSH attain a peak level about .... of menstrual  cycle. 

mid - cycle

72. Which hormone is mainly responsible for ovulation? 


73. Which hormone is essential for maintenance of endometrium? 


74. In human beings, menstrual cycles ceases around the age of ....

50 years

75. The process of fusion of a sperm with an ovum is called? 


76. After completion of second meiotic division of the secondary oocyte and results in the formation of a ___(A)___ and a haploid ___(B)___

(A) Second polar body (B) Ovum

77. How many chromosomes will be there in the zygote of human ? 


78. It is correct to say that the sex of the baby is determined by the father and not by the mother. (False/true) 


79. The ___(A)___ division starts as the zygete moves through the isthmus of the oviduct called (B). 

(A) Mitotic (B) Cleavage

80. The embryo with 8 to 16 blastomeres is called ? 


81. The blastomeres in the blastocyst are arranged into an outer layer called ___(A)___ and an inner group of cells attached to trophoblast called ___(B)___. 

(A) Trophoblast (B) Inner cell mass 

82. Some finger like projection appear on the trophoblast called ? 

Chorionic villi 

83. The structural and functional unit between developing embryo and  matemal body called ? 


84. The placenta is connected to the embryo through an...

 Umbilical cord 

85. Placenta acts as an .......... 

Endocrine tisue 

86. Which of the following hormones are not secrete by placenta ? HCG, hPL, progesterone, oxytocin, estrogen, prolactin, relaxin

Oxytocin, prolactin

87. Match the column :- 





After one month of Pregnancy 

(i) Heart is formed 


End of Second month of pregnancy 

(ii) Major organ systems are formed


End of first trimester of pregnancy 

(iii) first Movement of foetus


During the fifth month of

 (iv)Limbs and digits develop

 a-(i), b-(iv), c-i), d-(iii) 

88. Parturition is induced by a complex neuroendocrine mechanism.(True/false) 


89. The signals for parturition originate from the fully developed foetus  only. (True/false) 


90. Which hormone acts on the uterine muscle and causes stronger  uterine contractions. 


91. The milk produced dur ing the initial few days of lactation is called ? 


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