Human Reproduction MCQs (Q1–30)
Q1.
The male reproductive system consists of:
A) Testes, duct system, accessory glands and external genitalia
B) Testes and penis only
C) Testes and duct system only
D) Testes and accessory glands only
✅ Answer: A
Q2.
The scrotum helps in:
A) Testosterone synthesis only
B) Maintaining lower temperature for spermatogenesis
C) Urine storage
D) Sperm transport
✅ Answer: B
Q3.
Which cells are called "nurse cells" of testis?
A) Leydig cells
B) Sertoli cells
C) Spermatogonia
D) Spermatids
✅ Answer: B
Q4.
Testosterone is secreted by:
A) Sertoli cells
B) Leydig cells
C) Spermatids
D) Epididymis
✅ Answer: B
Q5.
Spermatogenesis occurs in:
A) Epididymis
B) Vas deferens
C) Seminiferous tubules
D) Urethra
✅ Answer: C
Q6.
Which structure stores and matures sperms?
A) Vas deferens
B) Epididymis
C) Seminiferous tubules
D) Urethra
✅ Answer: B
Q7.
The ejaculatory duct is formed by the union of:
A) Epididymis and urethra
B) Vas deferens and duct of seminal vesicle
C) Testis and urethra
D) Vas deferens and prostate gland
✅ Answer: B
Q8.
Fructose-rich secretion is produced by:
A) Prostate gland
B) Bulbourethral gland
C) Seminal vesicle
D) Testis
✅ Answer: C
Q9.
The acrosome of sperm is derived from:
A) Nucleus
B) Mitochondria
C) Golgi apparatus
D) Ribosome
✅ Answer: C
Q10.
Acrosome contains enzymes for:
A) ATP synthesis
B) Ovum penetration
C) Testosterone production
D) Cell division
✅ Answer: B
Q11.
Which part of sperm contains mitochondria?
A) Head
B) Neck
C) Middle piece
D) Tail
✅ Answer: C
Q12.
One primary spermatocyte produces:
A) 1 sperm
B) 2 sperms
C) 3 sperms
D) 4 sperms
✅ Answer: D
Q13.
Spermiogenesis is:
A) Formation of spermatids
B) Transformation of spermatids into spermatozoa
C) Release of sperms
D) Fertilisation
✅ Answer: B
Q14.
Release of spermatozoa from Sertoli cells is called:
A) Spermatogenesis
B) Spermiation
C) Capacitation
D) Ovulation
✅ Answer: B
Q15.
LH acts on:
A) Sertoli cells
B) Leydig cells
C) Oogonia
D) Ovum
✅ Answer: B
Q16.
FSH acts mainly on:
A) Leydig cells
B) Sertoli cells
C) Ovum
D) Corpus luteum
✅ Answer: B
Q17.
The female primary reproductive organs are:
A) Oviducts
B) Ovaries
C) Uterus
D) Vagina
✅ Answer: B
Q18.
The finger-like projections of infundibulum are:
A) Villi
B) Fimbriae
C) Cilia
D) Microvilli
✅ Answer: B
Q19.
The longest part of oviduct is:
A) Infundibulum
B) Ampulla
C) Isthmus
D) Cervix
✅ Answer: B
Q20.
Fertilisation usually occurs at:
A) Uterus
B) Cervix
C) Ampullary–Isthmic junction
D) Vagina
✅ Answer: C
Q21.
The inner lining of uterus is:
A) Perimetrium
B) Myometrium
C) Endometrium
D) Mesometrium
✅ Answer: C
Q22.
The muscular layer of uterus is:
A) Endometrium
B) Perimetrium
C) Myometrium
D) Serosa
✅ Answer: C
Q23.
Which hormone is mainly produced by ovarian follicles?
A) Testosterone
B) Estrogen
C) hCG
D) Oxytocin
✅ Answer: B
Q24.
The female external genitalia are collectively called:
A) Vulva
B) Cervix
C) Uterus
D) Ovary
✅ Answer: A
Q25.
Each mammary gland contains:
A) 5–10 lobes
B) 10–15 lobes
C) 15–20 lobes
D) 20–25 lobes
✅ Answer: C
Q26.
Milk is produced in:
A) Mammary ducts
B) Alveoli
C) Nipple
D) Lobules only
✅ Answer: B
Q27.
Which of the following is haploid?
A) Spermatogonium
B) Primary spermatocyte
C) Secondary spermatocyte
D) Leydig cell
✅ Answer: C
Q28.
Which cell enters meiosis-I during spermatogenesis?
A) Spermatogonium
B) Primary spermatocyte
C) Secondary spermatocyte
D) Spermatid
✅ Answer: B
Q29.
The chromosome number in spermatid is:
A) 46
B) 23 pairs
C) 23
D) 92
✅ Answer: C
Q30.
Which structure forms the birth canal along with the vagina?
A) Ovary
B) Cervix
C) Endometrium
D) Fimbriae
✅ Answer: B
Quick Score Key
- 27–30 = Excellent
- 22–26 = Good
- 15–21 = Needs Revision
- Below 15 = Re-read Notes
Human Reproduction MCQs (Q31–60)
Oogenesis + Menstrual Cycle + Hormonal Control (NCERT Based | NEET Level)
Q31.
Oogenesis begins:
A) At puberty
B) Before birth
C) After menopause
D) During fertilisation✅ Answer: B
Q32.
Oogonia multiply by:
A) Meiosis I
B) Meiosis II
C) Mitosis
D) Amitosis✅ Answer: C
Q33.
Primary oocytes are formed during:
A) Foetal life
B) Puberty
C) Menopause
D) Fertilisation✅ Answer: A
Q34.
At birth, a female baby possesses approximately:
A) 60,000–80,000 primary oocytes
B) 1–2 million primary oocytes
C) 10 million primary oocytes
D) 400 primary oocytes✅ Answer: B
Q35.
At puberty, the number of primary follicles is approximately:
A) 60,000–80,000
B) 1–2 million
C) 10 million
D) 400✅ Answer: A
Q36.
The first meiotic division in oogenesis is completed:
A) Before birth
B) At puberty
C) Just before ovulation
D) After fertilisation✅ Answer: C
Q37.
Secondary oocyte is produced after:
A) Mitosis
B) Meiosis I
C) Meiosis II
D) Fertilisation✅ Answer: B
Q38.
Completion of Meiosis II in human female occurs:
A) Before ovulation
B) During menstruation
C) Only after fertilisation
D) At puberty✅ Answer: C
Q39.
One primary oocyte ultimately produces:
A) 4 ova
B) 2 ova
C) 1 ovum + 3 polar bodies
D) 4 polar bodies only✅ Answer: C
Q40.
Polar bodies are formed because cytokinesis is:
A) Equal
B) Unequal
C) Absent
D) Random✅ Answer: B
Menstrual Cycle
Q41.
The average duration of menstrual cycle is:
A) 14 days
B) 21 days
C) 28 days
D) 35 days✅ Answer: C
Q42.
Menstrual phase generally lasts:
A) Day 1–5
B) Day 5–10
C) Day 10–15
D) Day 15–20✅ Answer: A
Q43.
Menstrual flow occurs due to:
A) Fertilisation
B) Breakdown of endometrium
C) Ovulation
D) Implantation✅ Answer: B
Q44.
Follicular phase is mainly controlled by:
A) LH
B) FSH
C) hCG
D) Oxytocin✅ Answer: B
Q45.
Which hormone stimulates growth of ovarian follicles?
A) LH
B) FSH
C) Progesterone
D) Prolactin✅ Answer: B
Q46.
Growing follicles secrete:
A) Testosterone
B) Estrogen
C) Oxytocin
D) hCG✅ Answer: B
Q47.
Ovulation normally occurs on:
A) Day 5
B) Day 10
C) Day 14
D) Day 28✅ Answer: C
Q48.
Ovulation is triggered by:
A) FSH surge
B) LH surge
C) hCG surge
D) Progesterone surge✅ Answer: B
Q49.
The ruptured Graafian follicle transforms into:
A) Corpus albicans
B) Corpus luteum
C) Morula
D) Blastocyst✅ Answer: B
Q50.
Corpus luteum secretes mainly:
A) Testosterone
B) FSH
C) Progesterone
D) hCG✅ Answer: C
Q51.
The luteal phase occurs between:
A) Day 1–5
B) Day 6–13
C) Day 14 only
D) Day 15–28✅ Answer: D
Q52.
Progesterone prepares the uterus for:
A) Menstruation
B) Implantation
C) Ovulation
D) Lactation✅ Answer: B
Q53.
If fertilisation does not occur, corpus luteum:
A) Persists permanently
B) Enlarges continuously
C) Degenerates
D) Forms placenta✅ Answer: C
Q54.
Degeneration of corpus luteum causes:
A) Increase in progesterone
B) Increase in estrogen
C) Decrease in progesterone and menstruation
D) Ovulation✅ Answer: C
Q55.
Which phase is also called proliferative phase?
A) Menstrual phase
B) Follicular phase
C) Luteal phase
D) Ovulatory phase✅ Answer: B
Q56.
Secretory phase corresponds to:
A) Menstrual phase
B) Follicular phase
C) Luteal phase
D) Ovulation✅ Answer: C
Q57.
The endometrium becomes thickest during:
A) Menstrual phase
B) Follicular phase
C) Secretory phase
D) Ovulation✅ Answer: C
Q58.
Menstrual cycle is absent during:
A) Pregnancy
B) Menopause
C) Childhood
D) All of these✅ Answer: D
Q59.
The first menstruation is called:
A) Menopause
B) Menarche
C) Ovulation
D) Parturition✅ Answer: B
Q60.
Permanent cessation of menstrual cycle is called:
A) Menarche
B) Ovulation
C) Menopause
D) Lactation✅ Answer: C
🔥 NEET NCERT Facts from Q31–60
✅ Oogenesis starts before birth.
✅ Meiosis-II completes only after fertilisation.
✅ 1 Primary Oocyte → 1 Ovum + 3 Polar Bodies.
✅ Menstrual cycle = 28 ± 2 days.
✅ Ovulation = Day 14.
✅ LH Surge causes ovulation.
✅ Corpus luteum secretes progesterone.
✅ Progesterone prepares uterus for implantation.
✅ Menarche = First menstruation.
✅ Menopause = Permanent stoppage of menstruation.
Most Repeated NEET Questions
- Ovulation triggered by? → LH Surge
- Fertilisation site? → Ampullary-Isthmic Junction
- Meiosis II completes when? → After fertilisation
- Corpus luteum secretes? → Progesterone
Human Reproduction MCQs (Q61–90)
Fertilisation, Cleavage, Implantation, Pregnancy, Placenta (NEET Level)
Q61.
Fertilisation in humans usually occurs in:
A) Uterus
B) Cervix
C) Vagina
D) Ampullary-Isthmic Junction✅ Answer: D
Q62.
The sperm first binds to:
A) Endometrium
B) Zona pellucida
C) Placenta
D) Corpus luteum✅ Answer: B
Q63.
Acrosomal reaction helps in:
A) Implantation
B) Ovulation
C) Penetration of ovum
D) Lactation✅ Answer: C
Q64.
The fusion of sperm and ovum forms:
A) Morula
B) Blastocyst
C) Zygote
D) Embryo✅ Answer: C
Q65.
After fertilisation, the chromosome number in zygote is:
A) n
B) 2n
C) 3n
D) 4n✅ Answer: B
Q66.
The cortical reaction prevents:
A) Ovulation
B) Implantation
C) Polyspermy
D) Menstruation✅ Answer: C
Q67.
Cleavage is:
A) Growth in size of embryo
B) Rapid mitotic divisions of zygote
C) Meiosis of embryo
D) Implantation✅ Answer: B
Q68.
A solid ball of 8–16 blastomeres is called:
A) Blastocyst
B) Morula
C) Gastrula
D) Embryo✅ Answer: B
Q69.
Morula is formed approximately when embryo has:
A) 2–4 cells
B) 4–8 cells
C) 8–16 cells
D) 64 cells✅ Answer: C
Q70.
Morula reaches the uterus after:
A) Ovulation
B) Fertilisation
C) Cleavage divisions in oviduct
D) Implantation✅ Answer: C
Q71.
The blastocyst consists of:
A) Only trophoblast
B) Only inner cell mass
C) Trophoblast and inner cell mass
D) Endometrium and trophoblast✅ Answer: C
Q72.
The trophoblast mainly contributes to:
A) Embryo formation
B) Placenta formation
C) Ovary formation
D) Corpus luteum formation✅ Answer: B
Q73.
The inner cell mass gives rise to:
A) Placenta
B) Foetus
C) Endometrium
D) Corpus luteum✅ Answer: B
Q74.
Implantation generally occurs:
A) 1–2 days after fertilisation
B) 3–4 days after fertilisation
C) 6–7 days after fertilisation
D) 15 days after fertilisation✅ Answer: C
Q75.
Implantation occurs in:
A) Cervix
B) Endometrium
C) Ovary
D) Oviduct✅ Answer: B
Q76.
The outer layer of blastocyst involved in implantation is:
A) Inner cell mass
B) Trophoblast
C) Morula
D) Amnion✅ Answer: B
Q77.
The embryonic stage lasts up to:
A) 2 weeks
B) 4 weeks
C) 8 weeks
D) 12 weeks✅ Answer: C
Q78.
After 8 weeks of pregnancy, the developing baby is called:
A) Embryo
B) Zygote
C) Foetus
D) Blastocyst✅ Answer: C
Q79.
Human gestation period is approximately:
A) 180 days
B) 220 days
C) 280 days
D) 365 days✅ Answer: C
Q80.
The placenta develops mainly from:
A) Endometrium only
B) Trophoblast only
C) Maternal and foetal tissues together
D) Ovary✅ Answer: C
Q81.
Placenta acts as:
A) Respiratory organ
B) Excretory organ
C) Nutritive organ
D) All of these✅ Answer: D
Q82.
Which hormone maintains pregnancy in the early stages?
A) Oxytocin
B) hCG
C) Prolactin
D) FSH✅ Answer: B
Q83.
hCG is secreted by:
A) Corpus luteum
B) Placenta
C) Pituitary
D) Ovary✅ Answer: B
Q84.
hCG helps in maintaining:
A) Endometrium directly
B) Corpus luteum
C) Ovulation
D) Menstruation✅ Answer: B
Q85.
Which hormone is called Human Chorionic Gonadotropin?
A) hPL
B) hCG
C) FSH
D) LH✅ Answer: B
Q86.
Placenta also secretes:
- hCG
- hPL
- Estrogen
- Progesterone
A) 1 and 2 only
B) 1, 2 and 3 only
C) 1, 2, 3 and 4
D) 3 and 4 only✅ Answer: C
Q87.
The hormone responsible for milk production is:
A) Oxytocin
B) Prolactin
C) hCG
D) LH✅ Answer: B
Q88.
The hormone responsible for milk ejection is:
A) Prolactin
B) Estrogen
C) Oxytocin
D) FSH✅ Answer: C
Q89.
The first milk secreted after childbirth is:
A) Lactose
B) Colostrum
C) Placental fluid
D) Amniotic fluid✅ Answer: B
Q90.
Colostrum is rich in:
A) Testosterone
B) Lipids only
C) IgA antibodies
D) hCG✅ Answer: C
🎯 NCERT One-Liners for NEET
- Fertilisation → Ampullary-Isthmic Junction
- Morula → 8–16 blastomeres
- Implantation → 6–7 days after fertilisation
- Embryo → up to 8 weeks
- Foetus → after 8 weeks
- Gestation period → 280 days (40 weeks)
- hCG maintains corpus luteum
- Placenta secretes hCG, hPL, estrogen, progesterone
- Prolactin → milk production
- Oxytocin → milk ejection & parturition
- Colostrum → IgA-rich antibodies
अगले सेट Q91–120 में Parturition, Lactation, Assertion-Reason, Statement-Based, Match the Column और PYQ-level tricky questions होंगे।
Human Reproduction MCQs (Q91–120)
Assertion–Reason + NCERT Tricky + PYQ Pattern
Assertion–Reason Options
A. Assertion and Reason both are true and Reason is the correct explanation of Assertion.
B. Assertion and Reason both are true but Reason is NOT the correct explanation of Assertion.
C. Assertion is true but Reason is false.
D. Assertion is false but Reason is true.Q91
Assertion (A): Fertilisation in humans usually occurs at the ampullary-isthmic junction.
Reason (R): This region is the site where sperm and secondary oocyte usually meet.
✅ Answer: A
Q92
Assertion (A): Acrosome is essential for fertilisation.
Reason (R): Acrosome contains enzymes that help sperm penetrate the ovum.
✅ Answer: A
Q93
Assertion (A): One primary spermatocyte produces four spermatozoa.
Reason (R): Meiosis produces four haploid cells.
✅ Answer: A
Q94
Assertion (A): One primary oocyte produces four functional ova.
Reason (R): Cytokinesis is unequal during oogenesis.
✅ Answer: D
(Assertion false, Reason true)
Q95
Assertion (A): Corpus luteum secretes progesterone.
Reason (R): Progesterone prepares the uterus for implantation.
✅ Answer: A
Q96
Assertion (A): Menstruation occurs when fertilisation does not occur.
Reason (R): Corpus luteum degenerates causing a fall in progesterone.
✅ Answer: A
Q97
Assertion (A): Implantation occurs in the endometrium.
Reason (R): Endometrium is the innermost glandular layer of uterus.
✅ Answer: B
Q98
Assertion (A): Placenta acts as an endocrine tissue.
Reason (R): Placenta secretes hCG and hPL.
✅ Answer: A
Q99
Assertion (A): Oxytocin helps in milk ejection.
Reason (R): Oxytocin causes contraction of myoepithelial cells.
✅ Answer: A
Q100
Assertion (A): Colostrum is important for newborn babies.
Reason (R): It contains IgA antibodies.
✅ Answer: A
Statement Based Questions
Q101
Which statements are correct?
- Sertoli cells nourish sperms.
- Leydig cells produce testosterone.
- Spermatogenesis occurs in epididymis.
A) 1 and 2 only
B) 2 and 3 only
C) 1 and 3 only
D) 1, 2 and 3✅ Answer: A
Q102
Which statements are correct?
- Acrosome is Golgi-derived.
- Middle piece contains mitochondria.
- Tail provides motility.
A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) 1, 2 and 3✅ Answer: D
Q103
Which of the following are parts of oviduct?
- Infundibulum
- Ampulla
- Isthmus
A) 1 only
B) 2 and 3 only
C) 1 and 3 only
D) 1, 2 and 3✅ Answer: D
Q104
Which statements regarding ovulation are correct?
- Triggered by LH surge.
- Usually occurs on day 14.
- Releases secondary oocyte.
A) 1 and 2 only
B) 2 and 3 only
C) 1 and 3 only
D) 1, 2 and 3✅ Answer: D
Q105
Which hormone mainly prepares uterus for implantation?
A) Estrogen
B) Testosterone
C) Progesterone
D) FSH✅ Answer: C
Match the Column
Q106
Match List-I with List-II:
List-I List-II A. Sertoli Cells 1. Testosterone B. Leydig Cells 2. Nourishment C. Acrosome 3. Ovum penetration D. Corpus luteum 4. Progesterone A) A-2, B-1, C-3, D-4
B) A-1, B-2, C-4, D-3
C) A-2, B-4, C-3, D-1
D) A-3, B-2, C-1, D-4✅ Answer: A
Q107
Match the following:
Structure Function A. Fimbriae 1. Implantation B. Endometrium 2. Collect ovum C. Myometrium 3. Labour contractions D. Ampullary-Isthmic Junction 4. Fertilisation A) A-2, B-1, C-3, D-4
B) A-1, B-2, C-4, D-3
C) A-3, B-1, C-2, D-4
D) A-2, B-4, C-3, D-1✅ Answer: A
NCERT Line-Based Questions
Q108
The first menstruation at puberty is called:
A) Menopause
B) Menarche
C) Ovulation
D) Parturition✅ Answer: B
Q109
Permanent cessation of menstruation is:
A) Menarche
B) Menopause
C) Lactation
D) Fertilisation✅ Answer: B
Q110
The hormone secreted by placenta and detected in pregnancy tests is:
A) FSH
B) LH
C) hCG
D) Oxytocin✅ Answer: C
Q111
The hormone responsible for uterine contractions during childbirth is:
A) Estrogen
B) Oxytocin
C) FSH
D) hPL✅ Answer: B
Q112
Parturition is initiated by:
A) Foetal ejection reflex
B) Menstrual reflex
C) Ovulation reflex
D) Implantation reflex✅ Answer: A
Q113
Human gestation period is approximately:
A) 180 days
B) 220 days
C) 280 days
D) 365 days✅ Answer: C
Q114
The embryo develops into a foetus after:
A) 2 weeks
B) 4 weeks
C) 8 weeks
D) 12 weeks✅ Answer: C
Q115
The placenta provides:
- Nutrition
- Respiration
- Excretion
A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) 1, 2 and 3✅ Answer: D
Q116
Which hormone stimulates milk production?
A) Prolactin
B) Oxytocin
C) LH
D) hCG✅ Answer: A
Q117
Which hormone stimulates milk ejection?
A) Prolactin
B) Estrogen
C) Oxytocin
D) Progesterone✅ Answer: C
Q118
The first milk produced after childbirth is:
A) Plasma
B) Colostrum
C) Lactose
D) Endometrium✅ Answer: B
Q119
Colostrum is rich in:
A) Testosterone
B) IgA antibodies
C) Progesterone
D) FSH✅ Answer: B
Q120
Which statement is correct?
A) Fertilisation occurs in uterus. B) Implantation occurs in oviduct. C) Fertilisation occurs at ampullary-isthmic junction and implantation in endometrium. D) Fertilisation and implantation both occur in ovary.
✅ Answer: C
🔥 Most Repeated NEET Facts
- Sertoli → Nourishment
- Leydig → Testosterone
- LH Surge → Ovulation
- Fertilisation → Ampullary-Isthmic Junction
- Implantation → Endometrium
- hCG → Maintains corpus luteum
- Prolactin → Milk production
- Oxytocin → Milk ejection + Parturition
- Colostrum → IgA antibodies
- Menarche = First menstruation, Menopause = Permanent cessation
अगला सेट Q121–150 में और कठिन NEET PYQ-style, Multiple Statement, Match the Column और NCERT Exemplar level प्रश्न होंगे।
Human Reproduction MCQs (Q121–150)
NEET PYQ Style | NCERT Exemplar Level | High-Yield
Q121
Which of the following structures is NOT derived from the blastocyst?
A) Trophoblast
B) Inner cell mass
C) Placenta
D) Corpus luteum✅ Answer: D
Q122
The immediate product of fertilisation is:
A) Morula
B) Blastocyst
C) Zygote
D) Embryo✅ Answer: C
Q123
How many chromosomes are present in a human secondary oocyte?
A) 46
B) 23 pairs
C) 23
D) 92✅ Answer: C
Q124
Which of the following is haploid?
- Spermatid
- Secondary spermatocyte
- Ovum
A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) 1, 2 and 3✅ Answer: D
Q125
The acrosomal cap contains:
A) Testosterone
B) Digestive enzymes
C) DNA
D) RNA✅ Answer: B
Q126
The first cleavage division of zygote is:
A) Meiotic
B) Mitotic
C) Amitotic
D) Reductional✅ Answer: B
Q127
Which stage enters the uterus?
A) Secondary oocyte only
B) Morula and later blastocyst
C) Spermatid
D) Corpus luteum✅ Answer: B
Q128
The blastocoel is present in:
A) Morula
B) Blastocyst
C) Zygote
D) Gastrula✅ Answer: B
Q129
The cavity of blastocyst is called:
A) Coelom
B) Blastocoel
C) Amnion
D) Chorion✅ Answer: B
Q130
Which part of blastocyst forms the embryo proper?
A) Trophoblast
B) Zona pellucida
C) Inner cell mass
D) Blastocoel✅ Answer: C
Q131
The placenta is connected to the foetus by:
A) Oviduct
B) Cervix
C) Umbilical cord
D) Endometrium✅ Answer: C
Q132
Umbilical cord helps in:
A) Fertilisation
B) Implantation
C) Transport between foetus and placenta
D) Menstruation✅ Answer: C
Q133
Which hormone is known as the "pregnancy hormone"?
A) FSH
B) LH
C) hCG
D) Oxytocin✅ Answer: C
Q134
Human chorionic gonadotropin is secreted by:
A) Pituitary
B) Corpus luteum
C) Placenta
D) Ovary✅ Answer: C
Q135
The placenta acts as:
- Respiratory organ
- Nutritive organ
- Endocrine organ
A) 1 only
B) 2 only
C) 1 and 2 only
D) 1, 2 and 3✅ Answer: D
Q136
The placenta secretes:
- hCG
- hPL
- Estrogen
- Progesterone
A) 1 and 2 only
B) 1, 2 and 3 only
C) 2, 3 and 4 only
D) 1, 2, 3 and 4✅ Answer: D
Q137
Which hormone stimulates mammary gland development during pregnancy?
A) hPL
B) Testosterone
C) FSH
D) LH✅ Answer: A
Q138
The gestation period in humans is approximately:
A) 32 weeks
B) 36 weeks
C) 40 weeks
D) 52 weeks✅ Answer: C
Q139
Foetal ejection reflex is associated with:
A) Fertilisation
B) Implantation
C) Parturition
D) Menstruation✅ Answer: C
Q140
The hormone mainly responsible for parturition is:
A) FSH
B) LH
C) Oxytocin
D) hCG✅ Answer: C
Assertion–Reason
Q141
Assertion: Sertoli cells are called nurse cells.
Reason: They provide nourishment to developing sperms.
A) Both true and Reason explains Assertion
B) Both true but Reason does not explain
C) Assertion true, Reason false
D) Assertion false, Reason true✅ Answer: A
Q142
Assertion: Fertilisation restores diploid chromosome number.
Reason: Fusion of two haploid gametes forms a diploid zygote.
✅ Answer: A
Q143
Assertion: Meiosis II in secondary oocyte completes before fertilisation.
Reason: Secondary oocyte is arrested at metaphase-II.
✅ Answer: D
(Assertion false, Reason true)
Q144
Assertion: Corpus luteum degenerates if fertilisation does not occur.
Reason: hCG is not available to maintain it.
✅ Answer: A
Q145
Assertion: Implantation occurs in the endometrium.
Reason: Endometrium is highly vascular and glandular.
✅ Answer: A
Match the Column
Q146
List I List II A. Leydig cells 1. Testosterone B. Sertoli cells 2. Nourishment C. Acrosome 3. Ovum penetration D. Corpus luteum 4. Progesterone A) A-1, B-2, C-3, D-4
B) A-2, B-1, C-4, D-3
C) A-3, B-2, C-1, D-4
D) A-1, B-3, C-2, D-4✅ Answer: A
Q147
Structure Function A. Fimbriae 1. Collect ovum B. Ampullary-Isthmic Junction 2. Fertilisation C. Endometrium 3. Implantation D. Myometrium 4. Labour contractions A) A-1, B-2, C-3, D-4
B) A-2, B-1, C-4, D-3
C) A-1, B-3, C-2, D-4
D) A-4, B-2, C-3, D-1✅ Answer: A
Q148
Which of the following correctly represents the sequence?
A) Morula → Zygote → Blastocyst
B) Zygote → Morula → Blastocyst
C) Blastocyst → Morula → Zygote
D) Zygote → Blastocyst → Morula✅ Answer: B
Q149
Which event occurs first?
A) Implantation
B) Blastocyst formation
C) Fertilisation
D) Morula formation✅ Answer: C
Q150
Which statement is correct?
A) Fertilisation occurs in uterus. B) Implantation occurs in endometrium. C) Ovulation is caused by progesterone surge. D) Meiosis II in oocyte completes before ovulation.
✅ Answer: B
🎯 NCERT Revision Box
✅ Fertilisation → Ampullary-Isthmic Junction
✅ Implantation → Endometrium
✅ Morula → 8–16 blastomeres
✅ Blastocyst → Trophoblast + Inner Cell Mass
✅ hCG → Maintains corpus luteum
✅ hPL → Mammary gland development
✅ Oxytocin → Parturition + Milk ejection
✅ Prolactin → Milk production
✅ Meiosis II completes only after fertilisation
✅ Gestation period → 280 days (40 weeks)
अगला सेट Q151–200 में केवल NEET PYQs, NCERT Exemplar-type tricky questions, Multiple Correct, Statement-Based और Previous Year Patterns होंगे।
Human Reproduction MCQs (Q151–175)
NEET PYQ Pattern | NCERT Line-by-Line | Tricky Questions
Q151
The structure that receives the ovum after ovulation is:
A) Ampulla
B) Isthmus
C) Fimbriae of infundibulum
D) Uterus✅ Answer: C
Q152
Which of the following is NOT a part of the male duct system?
A) Rete testis
B) Vasa efferentia
C) Epididymis
D) Seminiferous tubule✅ Answer: D
Q153
Seminal plasma is contributed mainly by:
A) Testes only
B) Epididymis only
C) Accessory glands
D) Urethra✅ Answer: C
Q154
The chromosome number in a primary spermatocyte is:
A) 23
B) n
C) 46
D) 22✅ Answer: C
Q155
Secondary spermatocyte contains:
A) 46 chromosomes
B) 23 chromosomes
C) 92 chromosomes
D) 44 chromosomes✅ Answer: B
Q156
The hormone directly responsible for spermatogenesis is:
A) Estrogen
B) Testosterone
C) Oxytocin
D) hCG✅ Answer: B
Q157
Which cell division reduces chromosome number by half?
A) Mitosis
B) Meiosis I
C) Cytokinesis
D) Cleavage✅ Answer: B
Q158
The release of ovum from Graafian follicle is:
A) Menstruation
B) Ovulation
C) Implantation
D) Fertilisation✅ Answer: B
Q159
Which ovarian structure secretes progesterone?
A) Primary follicle
B) Secondary follicle
C) Corpus luteum
D) Oogonium✅ Answer: C
Q160
The endometrium regenerates during:
A) Menstrual phase
B) Follicular phase
C) Ovulation
D) Fertilisation✅ Answer: B
Q161
Which hormone level peaks just before ovulation?
A) Progesterone
B) Oxytocin
C) LH
D) hCG✅ Answer: C
Q162
The female gamete released during ovulation is actually:
A) Ovum
B) Oogonium
C) Primary oocyte
D) Secondary oocyte✅ Answer: D
Q163
The sperm acquires fertilising capacity in the female reproductive tract by:
A) Cleavage
B) Capacitation
C) Ovulation
D) Spermiogenesis✅ Answer: B
Q164
Zona pellucida surrounds:
A) Sperm
B) Ovum/Secondary oocyte
C) Placenta
D) Blastocyst✅ Answer: B
Q165
The block to polyspermy is mainly due to:
A) LH surge
B) Cortical reaction
C) Implantation
D) Menstruation✅ Answer: B
Q166
The embryo with 8–16 blastomeres is called:
A) Blastocyst
B) Morula
C) Gastrula
D) Foetus✅ Answer: B
Q167
The trophoblast forms:
A) Embryo proper
B) Placenta
C) Ovary
D) Endometrium✅ Answer: B
Q168
Inner cell mass ultimately develops into:
A) Placenta
B) Chorion
C) Embryo
D) Corpus luteum✅ Answer: C
Q169
Human pregnancy is detected by testing:
A) FSH
B) LH
C) hCG
D) Prolactin✅ Answer: C
Q170
The hormone responsible for maintaining corpus luteum during early pregnancy is:
A) FSH
B) hCG
C) Oxytocin
D) Prolactin✅ Answer: B
Assertion–Reason
Q171
Assertion: Colostrum provides passive immunity to newborns.
Reason: Colostrum contains IgA antibodies.
A) Both true and Reason explains Assertion
B) Both true but Reason not explanation
C) Assertion true, Reason false
D) Assertion false, Reason true✅ Answer: A
Q172
Assertion: Oxytocin is called the birth hormone.
Reason: It induces strong uterine contractions during parturition.
✅ Answer: A
Q173
Assertion: Blastocyst is formed before morula.
Reason: Morula develops into blastocyst.
✅ Answer: D
(Assertion false, Reason true)
Q174
Assertion: Placenta acts as an endocrine gland.
Reason: It secretes hCG, hPL, estrogen and progesterone.
✅ Answer: A
Q175
Assertion: Implantation occurs in myometrium.
Reason: Myometrium is muscular layer of uterus.
✅ Answer: D
(Assertion false, Reason true)
🔥 Super-Important NCERT Facts
✅ Ovulated cell = Secondary Oocyte
✅ Fertilisation site = Ampullary-Isthmic Junction
✅ Implantation site = Endometrium
✅ Morula = 8–16 blastomeres
✅ Trophoblast → Placenta
✅ Inner Cell Mass → Embryo
✅ hCG → Maintains Corpus Luteum
✅ Oxytocin → Parturition & Milk Ejection
✅ Prolactin → Milk Production
✅ Colostrum → IgA Antibodies
Next: Q176–200 (Final Part) — toughest NEET PYQ-style questions, statement-based, match-the-column, and NCERT traps.
Human Reproduction MCQs (Q176–200)
Final NEET Revision Set | NCERT Traps + PYQ Style
Q176
Which of the following correctly represents the path of sperm movement?
A) Seminiferous tubules → Epididymis → Rete testis → Vas deferens
B) Seminiferous tubules → Rete testis → Vasa efferentia → Epididymis → Vas deferens
C) Rete testis → Seminiferous tubules → Epididymis → Vas deferens
D) Seminiferous tubules → Vas deferens → Epididymis✅ Answer: B
Q177
The secretion of Sertoli cells that inhibits FSH release is:
A) Relaxin
B) Inhibin
C) Oxytocin
D) hCG✅ Answer: B
Q178
Which hormone is responsible for development of secondary sexual characters in males?
A) FSH
B) LH
C) Testosterone
D) Estrogen✅ Answer: C
Q179
The mature Graafian follicle contains:
A) Primary oocyte
B) Secondary oocyte
C) Oogonium
D) Ovum✅ Answer: B
Q180
The corpus albicans is formed from:
A) Graafian follicle before ovulation
B) Corpus luteum after degeneration
C) Blastocyst
D) Endometrium✅ Answer: B
Statement-Based Questions
Q181
Which statements are correct?
- FSH stimulates follicular growth.
- LH induces ovulation.
- Corpus luteum secretes progesterone.
A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) 1, 2 and 3✅ Answer: D
Q182
Which statements are correct?
- Fertilisation occurs in ampullary-isthmic junction.
- Implantation occurs in endometrium.
- Placenta develops from maternal and foetal tissues.
A) 1 and 2 only
B) 2 and 3 only
C) 1 and 3 only
D) 1, 2 and 3✅ Answer: D
Q183
Which statements are correct?
- Colostrum contains IgA.
- Prolactin stimulates milk production.
- Oxytocin stimulates milk ejection.
A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) 1, 2 and 3✅ Answer: D
Q184
Which of the following are accessory glands of male reproductive system?
- Seminal vesicles
- Prostate gland
- Bulbourethral glands
A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) 1, 2 and 3✅ Answer: D
Q185
Which structure is NOT part of the female reproductive tract?
A) Oviduct
B) Uterus
C) Epididymis
D) Vagina✅ Answer: C
Match the Column
Q186
List-I List-II A. Acrosome 1. ATP Production B. Middle Piece 2. Enzymes C. Tail 3. Motility D. Head 4. Nucleus A) A-2, B-1, C-3, D-4
B) A-1, B-2, C-4, D-3
C) A-3, B-1, C-2, D-4
D) A-2, B-4, C-3, D-1✅ Answer: A
Q187
List-I List-II A. Menarche 1. First Menstruation B. Menopause 2. Permanent cessation C. Parturition 3. Childbirth D. Lactation 4. Milk secretion A) A-1, B-2, C-3, D-4
B) A-2, B-1, C-4, D-3
C) A-1, B-3, C-2, D-4
D) A-4, B-2, C-3, D-1✅ Answer: A
NCERT Exemplar Style
Q188
Which hormone reaches its peak during the middle of menstrual cycle?
A) Progesterone
B) LH
C) Oxytocin
D) Prolactin✅ Answer: B
Q189
The function of fimbriae is:
A) Fertilisation
B) Implantation
C) Collection of ovum after ovulation
D) Milk secretion✅ Answer: C
Q190
The hormone essential for maintenance of endometrium after ovulation is:
A) Estrogen
B) Progesterone
C) FSH
D) LH✅ Answer: B
Assertion–Reason
Q191
Assertion: Placenta serves as an endocrine tissue.
Reason: It secretes hCG, hPL, estrogen and progesterone.
✅ Answer: A
Q192
Assertion: Secondary oocyte completes meiosis-II before fertilisation.
Reason: Secondary oocyte is arrested at metaphase-II.
✅ Answer: D
(Assertion false, Reason true)
Q193
Assertion: Endometrium undergoes cyclic changes during menstrual cycle.
Reason: Ovarian hormones regulate uterine changes.
✅ Answer: A
Q194
Assertion: LH directly stimulates Leydig cells.
Reason: Leydig cells produce testosterone.
✅ Answer: A
Q195
Assertion: Corpus luteum is essential in early pregnancy.
Reason: It secretes progesterone.
✅ Answer: A
Final Revision Questions
Q196
The number of functional gametes produced from one primary oocyte is:
A) 4
B) 3
C) 2
D) 1✅ Answer: D
Q197
The number of sperms produced from one primary spermatocyte is:
A) 1
B) 2
C) 4
D) 8✅ Answer: C
Q198
The first structure formed after cleavage is:
A) Blastocyst
B) Morula
C) Placenta
D) Foetus✅ Answer: B
Q199
Which one is the correct sequence?
A) Zygote → Blastocyst → Morula → Implantation
B) Zygote → Morula → Blastocyst → Implantation
C) Morula → Zygote → Blastocyst → Implantation
D) Blastocyst → Morula → Implantation✅ Answer: B
Q200
The most accurate NCERT statement is:
A) Fertilisation occurs in uterus and implantation in ovary. B) Fertilisation occurs in ampullary-isthmic junction and implantation in endometrium. C) Fertilisation occurs in cervix and implantation in oviduct. D) Both occur in uterus.
✅ Answer: B
🚀 Human Reproduction Chapter – Top 20 NCERT Facts for NEET
- Testes temperature = 2–2.5°C below body temperature.
- Sertoli cells nourish sperms.
- Leydig cells secrete testosterone.
- Acrosome is Golgi-derived.
- Middle piece contains mitochondria.
- Spermiogenesis = Spermatid → Sperm.
- Spermiation = Release of sperm from Sertoli cells.
- Ovulation releases a secondary oocyte.
- Fertilisation = Ampullary-Isthmic Junction.
- Implantation = Endometrium.
- Morula = 8–16 blastomeres.
- Blastocyst = Trophoblast + Inner Cell Mass.
- Inner Cell Mass → Embryo.
- Trophoblast → Placenta.
- Placenta secretes hCG, hPL, estrogen, progesterone.
- hCG maintains corpus luteum.
- Gestation period ≈ 280 days.
- Oxytocin → Parturition + Milk Ejection.
- Prolactin → Milk Production.
- Colostrum contains IgA antibodies
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