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Human Reproduction
1. First polar body is formed during the formation of (c) The head is covered with fine hair
_____ and completion of_____ meiotic division. (d) Movement of the foetus
(a) Primary oocytes, II
(b) Secondary oocytes, I 11. Select the correct option of haploid cells from the
(c) Secondary spermatocytes, II following groups :-
(d) Primary spermatocytes, I (a) Primary oocyte, Secondary oocyte, Spermatid
(b) Secondary spermatocyte, First polar body, Ovum
2. By the end of how many weeks, major organ system (c) Spermatogonia, Primary spermatocyte, Spermatid
are formed during the embryonic development? (d) Primary spermatocyte, Secondary spermatocyte,
(a) 4 weeks (b) 8 weeks Second polar body
(c) 12 weeks (d) 24 weeks
12. Match the following columns and select the correct
3. The primary egg membrane of human egg is :- option :-
(a) chorion (b) corona radiata Column - I Column - II
(c) zona pellucida (d) None of the above (a) Ovary (i) Human chorionic
Gonadotropin
4. Which of the following hormones induces the (b) Placenta (ii) Estrogen &
development of corpus luteum? Progesterone
(a) LH (b) Oestrogen (c) Corpus luteum (iii) Androgens
(c) FSH (d) LTH (d) Leydig cells (iv) Progesterone only
(a) (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
5. Cleavage starts in :- (b) (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
(a) fallopian tube (b) uterus (c) (a)-(i), (b)-(iii), (c)-(ii), (d)-(iv)
(c) vagina (d) None of these (d) (a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)
6. Several hormones like hCG, hPL, estrogen, 13. Some important events that occur during the
progesterone are produced by :- menstrual cycle are given below. Arrange the events
(a) Fallopian tube (b) Pituitary in a proper sequence and select the correct option.
(c) Ovary (d) Placenta (i) Proliferation of endometrial wall
(ii) LH surge
7. GnRH, a hypothalamic hormone, needed in (iii)Secretion of estrogen
reproduction, acts on:- (iv) Secretion of progesterone
(a) anterior pituitary gland and stimulates secretion of (v) Ovulation
LH and FSH. (vi)Growth of corpus luteum
(b) posterior pituitary gland and stimulates secretion of (vii) Degeneration of corpus luteum
oxytocin and FSH. (viii) Menstruation
(c) posterior pituitary gland and stimulates secretion of (a) (ii) → (iv) → (iii) → (i) → (vii) → (v) → (viii) → (vi)
LH and relaxin. (b) (iii) → (i) → (ii) → (v) → (vi) → (iv) → (vii) → (viii)
(d) anterior pituitary gland and stimulates secretion of (c) (v) → (i) → (vi) → (viii) → (iii) → (iv) → (vii) → (ii)
LH and oxytocin.
(d) (ii) → (v) → (vi) → (i) → (viii) → (vii) → (iii) → (iv)
8. Select the correct sequence of transport of sperm cells
14. Which one of the following is the correct matching of
in male reproductive system :-
the events occuring during menstrual cycle?
(a) Testis → Epididymis → Vasa efferentia → Rete
(a) Menstruation : Breakdown of myometrium and
testis → Inguinal canal → Urethra
ovum not fertilised
(b) Seminiferous tubules → Rete testis → Vasa
(b) Ovulation : LH and FSH attain peak level and
efferentia → Epididymis → Vas deferens →
sharp fall in the secretion of progesterone.
Ejaculatory duct → Urethra → Urethral meatus
(c) Proliferative : Rapid regeneration of phase
(c) Seminiferous tubules → Vasa efferentia →
myometrium and maturation of Graafian follicle.
Epididymis → Inguinal canal → Urethra
(d) Development of: Secretory phase and corpus
(d) Testis → Epididymis → Vasa efferentia → Vas
luteum increased secretion of progesterone.
deferens → Ejaculatory duct → Inguinal canal →
Urethra → Urethral meatus
15. Identify the human development stage shown as well
as the related right place of its occurrence in a
9. No new follicles develop in the luteal phase of the
normal pregnant woman and select the right option
menstrual cycle because :-
for the two, together.
(a) Follicles do not remain in the ovary after ovulation
(b) FSH levels are high in the luteal phase
(c) LH levels are high in the luteal phase
(d) Both FSH and LH levels are low in the luteal phase
10. In human beings, at the end of 12 weeks (first
trimester) of pregnancy, the following is observed:-
(a) Eyelids and eyelashes are formed
(b) Most of the major organ systems are formed
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Middle part of fallopian (c) Assertion is True but the Reason is False.
(a) Late morula (d) Assertion is False but Reason is True.
tube
(b) Blastula End part of fallopian tube 22. Mark the wrong item in each series and select the
correct option.
(c) Blastocyst Uterine wall I. Spermatocyte, polar body, spermatid,
spermatogonium
8-celled Starting point of fallopian II. Endometrium, corpus luteum, acrosome,
(d)
morula tube Graafian follicle
III. Vas deferens, Fallopian tube, epididymis,
16. Morula is a developmental stage: Cowper’s gland
(a) Between the zygote and blastocyst IV. Testes, prostate, seminal vesicles, Cowper’s
(b) Between the blastocyst and gastrula gland
(c) After the implantation
(d) Between implantation and parturition
17. Which of the following hormone levels will cause
release of ovum (ovulation) from the Graafian
follicle?
(a) High concentration of Progesterone
(b) Low concentration of LH
(c) Low concentration of FSH 23. Given below are two statements: one is labelled as
(d) High concentration of Estrogen Assertion 𝐀 and the other is labelled as Reason R.
Assertion (A): Endometrium is necessary for
18. Meiotic division of the secondary oocyte is implantation of blastocyst.
completed: Reason (R): In the absence of fertilization, the corpus
(a) At the time of copulation luteum degenerates that causes disintegration of
(b) After zygote formation endometrium.
(c) At the time of fusion of a sperm with an ovum In the light of the above statements, choose the
(d) Prior to ovulation correct answer from the options given below;
(a) A is false but R is true.
19. If for some reason, the vasa efferentia in the human (b) Both A and R are true and R is the correct
reproductive system get blocked, the gametes will not explanation of A
be transported from :- (c) Both A and R are true but R is NOT the correct
(a) Testes to epididymis explanation of A.
(b) Epididymis to vas deferens (d) A is true but R is false.
(c) Ovary to uterus
(d) Vagina to uterus 24. Receptors for sperm binding in mammals are
present on:
20. Select the answer which correctly matches the (a) Vitelline membrane (b) Perivitelline space
endocrine gland with the hormone it secretes and its (c) Zona pellucida (d) Corona radiata
function/deficiency symptom :-
25. Which of these is not an important component of
initiation of parturition in humans?
(a) Synthesis of prostaglandins
(b) Release of Oxytocin
(c) Release of Prolactin
(d) Increase in estrogen and progesterone ratio
26. In spermatogenesis, reduction division of
chromosomes occurs during conversion of
(a) Primary spermatocytes to secondary spermatocytes
(b) Spermatogonia to primary spermatocytes
21. These questions consist of two statements each, (c) Spermatids to sperms
printed as Assertion and Reason. While answering (d) Secondary spermatocytes to spermatids
these questions, you are required to choose any one 27. Which of the following incorrectly paired with its
of the following four responses. function?
Assertion: Human male ejaculates about 50-100 (a) Epididymis → Maturation and storage of sperms
million sperms during a coitus. (b) Prostate gland → Secrete inhibin
Reason: For normal fertility at least 60 percent sperms (c) Fallopian tube → Catches ova and conducts them
must have normal shape and size. (d) Seminal vesicle → Produces a fructose containing
(a) Both Assertion and Reason are True and the Reason fluid to nourish sperms
is a correct explanation of the Assertion.
(b) Both Assertion and Reason are True but Reason is 28. Identify the correct statement from the following:
not a correct explanation of the Assertion. (a) High levels of estrogen triggers the ovulatory surge
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(b) Oogonial cells start to proliferate and give rise to 35. The cellular layer that disintegrates and regenerates
functional ova in regular cycles from puberty again and again in human is :-
onwards (a) endometrium of uterus
(c) Sperms released from seminiferous tubules are (b) cornea of eye
highly motile (c) dermis of skin
(d) Progesterone level is high during the post ovulatory (d) endothelium of blood vessels
phase of menstrual cycle
36. Spermatozoa are nourished during their
29. Which one of the following statements about human development by:
sperm is correct? (a) Interstitial cells
(a) Acrosome is a pointed structure used for piercing (b) Connective tissue cells
and penetrating the egg, resulting in fertilization (c) Sertoli cells
(b) The sperm lysins in the acrosome dissolve the egg (d) None of the above
envelope facilitating fertilization
(c) Acrosome serves as sensory structure leading the 37. Match the columns and find out the correct
sperm towards the ovum. combination:
(d) Acrosome does not have a particular function Column-I Column-II
30. These questions consist of two statements each, (A) Sperm head (i) Enzymes
printed as Statement-I and Statement-II. While
answering these questions, you are required to (B) Middle Piece (ii) Sperm motility
choose any one of the following four responses.
Statement-I: The shape of womb is like inverted pear. (C) Acrosome (iii) Energy
Statement-II: Innermost layer of uterus is called
perimetrium. (D) Sperm tail (iv) Genetic material
(a) Both Statement-I and Statement-II are correct. (a) (A)-(iii) (B)-(iv) (C)-(i) (D)-(ii)
(b) Both Statement-I and Statement-II are incorrect. (b) (A)-(iv) (B)-(iii) (C)-(ii) (D)-(i)
(c) Statement-I is correct & Statement-II is incorrect. (c) (A)-(iv) (B)-(iii) (C)-(i) (D)-(ii)
(d) Statement-I is incorrect & Statement-II is correct. (d) (A)-(iii) (B)-(i) (C)-(ii) (D)-(iv)
31. Match the column-A with column-B 38. Each seminiferous tubule is lined on its inside by:
Column A Column B A. Male germ cells B. Interstitial cells C. Leydig cells
D. Sertoli cells
(A) Mons pubis (i) Fleshy folds of tissue (a)A,B (b)A,B,C
(B) Labia majora (ii) Paired folds of tissue (c)A,D (d) A, B, G, D
(C) Labia minora (iii Finger-like structure 39. Assertion: The enlarged part of penis is called glans
) penis.
(D) Clitoris (iv Cushion of fatty tissue Reason: The glans penis is covered by a loose fold of
) skin called foreskin.
(a) A-iv, B-i, C-ii, D-iii (a) Both assertion and reason are true and reason is the
(b) A-ii, B-iv, C-i, D-iii correct explanation of assertion
(c) A-iv, B-ii, C-i, D-iii (b) Both assertion and reason are true, but reason is not
(d) A-iii, B-iv, C-ii, D-i the correct explanation of assertion.
(c) Assertion is true, but reason is false.
32. At which stage of spermatogenesis, sperms acquire (d) Both assertion and reason are false
their whole structural maturity and now these
contain a haploid nucleus & other organelles? 40. Read the assertion and reason carefully to mark the
(a) Spermiogenesis (b) Growth phase correct option out of the options given below:
(c) Multiplication phase (d) Maturation phase (a) If both A and R are true and R is the correct
explanation of A.
33. Extrusion of second polar body from egg nucleus (b) If both A and R are true, but R is not the correct
occurs :- explanation of A.
(a) after entry of sperm but before completion of (c) If A is true, but R is false.
fertilization (d) If A is false, but R is true
(b) after completion of fertilization Assertion (A) Fimbriae are finger-like projections of
(c) before entry of sperm infundibulum part of oviduct which is closest to vary.
(d) without any relation to sperm entry Reason (R) They are important for the collection of
ovum after ovulation from ovary.
34. In a menstrual cycle, ovulation normally takes place
:-
(a) at the end of proliferative phase
(b) at the mid of secretory phase
(c) just before the end of secretory phase
(d) at the beginning of the proliferative phase
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1. (b) have normal shape and size that produces estrogen and
2. (d) and atleast 40 percent of them progesterone. The action of
3. (c) must show vigorous motility. progesterone increases the
4. (a) 22. (b) basal body temperature. The
5. (a) 23. (c) process of formation of a
6. (d) 24. (c) Receptors for sperm mature female gamete is
7. (a) binding in mammals are called oogenesis. Unlike
8. (b) present on zona pellucida. sperm formation that starts at
9. (d) The corona radiata is the puberty, egg formation begins
10. (b) innermost layer and is before birth. Primordial germ
11. (b) directly adjacent to the zona cells complete the
12. (d) pellucida. proliferative stage of
13. (b) The perivitelline space is the oogenesis in the early
14. (d) space between the zona embryonal stage when
15. (c) The following structure is pellucida and the cell million of gamete mother
of blastocyst that embedded membrane of an oocyte or cells (oogonia) are formed
on the endometrium wall of fertilized ovum. Vitelline within each foetal ovary, no
the uterus called implantation membrane surrounds the more oogonia are formed and
which leads to pregnancy. outer surface of the plasma added after birth.
16. (a) The haploid nucleus of membrane of an ovum. 29. (b) The sperm head contains
the sperms and that of the 25. (c) At the end of pregnancy, an elongated haploid nucleus,
ovum fuse together to form a vigorous contraction of the the anterior portion of which
diploid zygote. As the zygote uterus causes expulsion or is covered by a cap-like
moves through the isthmus of delivery of the foetus. This structure, acrosome. The
the oviduct towards the process of delivery of the acrosome is filled with
uterus, the mitotic division foetus (childbirth) is called enzymes that helps in
(cleavage) starts and forms parturition. Parturition is breaking down the outer
2,4,8,16 daughter cells called induced by a complex membrane (Zona pellucida)
blastomeres. neuroendocrine mechanism. of ovum, allowing the
The embryo with 8 − 16 Oxytocin acts on the uterine haploid nucleus in the sperm
blastomeres is called a muscle and causes stronger to join the haploid nucleus in
morula. The morula continues uterine contractions. The the ovum, thus enabling
to divide and transforms into levels of estrogen and fertilization.
blastocyst as it moves further progesterone also increases. 30. (c) Innermost layer, out of the
to get embedded in the Prostaglandins act on 3 uterine layers, is
endometrium of the uterus. myometrium and stimulates endometrium. Perimetrium is
This is called implantation. uterine contractions. Prolactin outermost and myometrium is
17. (d) Rapid secretion of LH is a lactation hormone that middle layer of uterus.
leading to its maximum level has no role in initiation of 31. (a)
during the mid-cycle called parturition. 32. (a)
LH surge induces rupture of 26. (a) In spermatogenesis, 33. (a)
Graafian follicle and thereby reduction division of 34. (a)
the release of ovum chromosomes (meiosis) 35. (a)
(ovulation). occurs during conversion of 36. (c)
18. (c) Meiotic division of primary spermatocytes to 37. (c)
secondary oocyte is secondary spermatocytes. 38. (c)
completed after the entry of 27. (b) Secretion of prostate, 39. (b)
sperm in secondary oocyte seminal vesicles and 40. (b)
which lead to the formation bulbourethral glands
of a large ovum and a tiny constitutes seminal plasma
second polar body. which is rich in fructose,
19. (a) calcium and certain enzymes.
20. (d) 28. (d) Post-ovulatory phase is
also known as the luteal
21. (d) Human male ejaculates phase. During this period, the
about 200 to 300 million follicle proper folds inward
sperms during a coitus of on itself and transform into
which, for normal fertility, at the corpus luteum which is a
least 60 percent sperms must steroidogenic cluster of cells
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