Human reproduction class 12 mcq
Questions 1
Cavity of graafian follicle is
A Amniotic cavity
B Antrum
C Liquor folliculi
D Discus proligerous
Ans 1
Question 2
Cells of corona radiata remain grouped together by
A Pectins
B Lipids
C Hyaluronidase
D Hyaluronic acid
Ans 4
Question 3
Cells of Leydig occur in
A Liver
B Ovary
C Testis
D Spleen
Ans 3
Question 4
Cleavage starts after fertilization in
A Fallopian tube
B Uterus
C Vestibule
D Clitoris
Ans 1
Question 5
Connective tissue around seminiferous tubules possess endocrine cells called
A Leydig cells
B Sertoli cells
C Primary germ cells
D Both (A) and (B)
Ans 1
Question 6
Conversion of spermatids into sperms is
A Spermiogenesis
B Ppermatogenesis
C Gametogenesis
D Metamorphosis
Ans 1
Question 7
Corona radia is made up of
A zona pellucid around the oocyte
B vitelline membrane
C follicular cells around the oocyte
D stratum functionalis
Ans 3
Question 8
Corpus leteum develops from
A Oocyte
B Nephrostome
C Graafian follicle
D none of the above
Ans 3
Question 9
Corpus luteum
A Degenerates during pregnancy
B Later forms corpus albicans
C Remains present throughout pregnancy
D Decreases in size during pregnancy
Ans 2
Question 10
Corpus luteum develops under the influence of
A Progesterone
B Estrogen
C FSH
D LH
Ans 4
Question 11
Corpus luteum disintegrates due to non-availability of
A LTH
B FSH
C Progesterone
D LH
Ans 4
Question 12
Corpus luteum produces
A Estrogen
B Testosterone
C Progesterone
D None of the above
Ans 3
Question 13
Corpus luteum secretes hormone
A Estrogen
B Progesterone
C FSH
D LH
Ans 2
Question 14
Correct sequence in development is
A Fertilization – Zygote – cleavage – Morula – Blastula - Gastrula
B Fertilization – Zygote – Blastula – Morula – Cleavage - Gastrula
C Fertilization – Cleavage – Morula – Zygote – Blastula – Gastrula
D Cleavage – Zygote – Fertilization – Morula – Blastula - Gastrula
Ans 1
Question 15
Correct sequence of hormone secretion from beginning of menstruation is
A FSH, progesterone, estrogen
B Estrogen, FSH, progesterone
C FSH, estrogen progesterone
D Estrogen, progesterone, FSH
Ans 3
Question 16
Cryptorchidism is a condition of tests
A Unable to descend in scrotal sacs
B Unale to produce sperms
C Having been surgically removed
D Having remained undeveloped
Ans 1
Question 17
Fertilizin is a chemical substance produced from
A Mature eggs
B Acrosome
C Polar bodies
D Middle piece of sperm
Ans 1
Question 18
Immediately after ovulation, the mammalian egg is covered by a membrane known as:
A Chorion
B Zona pellucida
C Corona radiata
D Vitelline membrane
Ans 2
Question 19
Loss of reproductive capacity in women after age of 45 years is
A Menstruation
B Ageing
C Menopause
D Menarche
Ans 3
Question 20
When released from ovary, human egg contains
A One Y chromosome
B Two X chromosomes
C One X chromosome
D XY chromosomes
Ans 3
Level 2
Question 1
32-celled stage of human embryo is
A Smaller than fertilized egg
B Same size as fertilized egg
C Two times the size of fertilized egg
D Four times the size of fertilized egg
Ans: 2
Question 2
A cross section at the midpoint of middle piece of human sperm will show
A Centriole, mitochondria and 9 + 2 arrangement of microtubules
B Centriole and mitochondria
C Mitochondria and 9 + 2 arrangement of microtubules
D 9 + 2 arrangement of microtubules only
Ans:3
Question 3
A mature sperm has
A A pair of flagella
B A nucleus, an acrosome and a centriole
C A nucleus, an acrosome, a pair of centrioles
D A nucleus, an acrosome, a pair of centrioles and a tail
Ans 4
Question 4
A protective layer around testes is
A Tunica adventitia
B Tunica vasculosa
C Tunica media
D Tunica albuginea
Ans 4
Question 5
About 60% of the semen is formed by secretion of
A Cowper’s gland
B Seminiferous tubule
C Prostate gland
D Seminal vesicles
Ans 4
Question 6
Accessory genital gland found only in males is
A Cowper’s gland
B Bartholin’s gland
C Perineal gland
D Prostate gland
Ans 4
Question 7
Acrosomal cap is formed from
A Ribosomes
B Mitochondria
C Nucleus
D Golgi complex
Ans 4
Question 8
Acrosome is derived from
A Nucleus
B Golgi apparatus
C Mitochondria
D Cytoplasm
Ans 2
Question 9
Acrosome reaction in sperm is triggered by
A Release of fertilizin
B Release of lysins
C Capacitation
D Influx of Na+ in sperm
Ans 2
Question 10
After few days of delivery, the mammary glands secrete a highly nutritive fluid called
A Colostrum
B Renin
C Serotonin
D Secretin
Ans 1
Question 11
After ovulation, Graafian follicle forms
A Corpus luteum
B Corpus albicans
C Corpus artesia
D Corpus callosum
Ans: 1
Question 12
Amniotic fluid protects the foetus from
A Shock
B Encystment
C Degeneration
D Disease
Ans 1
Question 13
An organ not formed from ectoderm is
A Middle ear
B Optic nerve
C Inner ear
D Skin
Ans 1
Question 14
Antrum is cavity of
A Ovary
B Graafian follicle
C Blastula
D Gastrual
Ans 2
Question 15
Bartholin’s glands are situated
A on the side of head of some amphibians
B at the reduced tail end of birds
C on either side of vagina in humans
D on either side of vas deferens in humans
Ans: 3
Question 16
Binary fission does not occur in
A amoeba
B Euglena
C Plasmodium
D Paramecium
Ans 3
Question 17
Brain/CNS develops from
A Ectoderm
B Mesoderm
C Endoderm
D Ectoendoderm
Ans 1
Question 18
Budding method of asexual reproduction occurs in
A Amoeba
B Plasmodium
C Paramecium
D Hydra
Ans 4
Question 19
Capacitation of sperm occurs in
A Vagina
B Female genital tract
C Vas efferens
D Vas deferens
Ans 2
Question 20
Cauda epididymis leads to
A Vas efferens
B Vas deferens
C Ejaculatory duct
D Rete testis
Ans 2
Level 3
Human Reproduction MCQs Quiz - 03
Question 1
Which one of the followings causes the mammary glands to enlarge at puberty?
A Testosterone
B Progesterone
C Estrogen
D Oxytocin
Ans : 3
Question 2
What is the inner lining of the uterus called?
A Cervix
B Oviduct
C Endometrium
D Fimbriae
Ans 3
Question 3
Where does fertilization usually take place?
A Cervix
B Vagina
C Uterus
D Oviduct
Ans 4
Question 4
Which one of the followings regarding 'Estrogen' is correct?
A Causes the endometrium to rebuild
B Has no effect on the Wolffian duct
C Maintains the secondary sexual characteristics in female
D All of these
Ans 4
Question 5
The process of sperm production takes place in the ______.
A Epididymis
B Vas deferens
C Prostate glands
D Seminiferous tubules
Ans 4
Question 6
Which one of the followings secretes the gonadotropic hormones?
A Adrenal
B Anterior pituitary
C Posterior pituitary
D Thyroid
Ans 2
Question 7
The secretory phase in the human menstrual cycle is also called
A Luteal phase and lasts for about 6 days
B Follicular phase lasting for about 6 days
C Luteal phase and lasts for about 13 days
D Follicular phase and lasts for about 13 days
Ans 3
Question 8
Vasa efferentia are the ductules leading from
A Epididymis to urethra
B Testicular lobules to rete testis
C Rete testis to vas deferens
D Vas deferens to epididymis
Ans 3
Question 9
Which one of the followings is incorrectly matched regarding female reproductive organs?
A Ovaries - eggs and sex hormones are produced
B Oviducts - serves as the site of fertilization
C Uterus - Serves as the birth canal
D Cervix - Contains opening to embryo/fetus
Ans 3
Question 10
Which one of the followings is incorrectly matched regarding male reproductive organs?
A Testes: Sperm and sex hormones are produced
B Epididymis: Ducts where sperm mature
C Prostate gland: Contributes fluid to semen
D Urethra: Contributes nutrients and mucus-containing fluid to semen
Ans 4
Question 11
Which one of the following events occurs in luteal phase (or secretory phase) of the menstrual cycle?
A Follicle-stimulating hormone (FSH) secretion begins
B Follicle maturation takes place
C Corpus luteum forms
D Endometrium breaks down
Ans 3
Question 12
Where do the female gonads (paired ovaries) lie?
A Pelvic cavity
B Thoracic cavity
C Abdominal cavity
D Scrotal sacs
Ans 1
Question 13
Which one of the following statements about human sperm is correct?
A Acrosome serves no particular function
B Acrosome has a conical pointed structure used for piercing and penetrating the egg resulting in fertilization
C The sperm lysins in the acrosome dissolve the egg envelope facilitating fertilization
D Acrosome serves as a sensory structure leading the sperm towards the ovum
Ans 3
Question 14
The testes in humans are situated outside the abdominal cavity inside a pouch called scrotum. The purpose served is for
A Providing a secondary sexual feature for exhibiting the male sex
B Maintaining the scrotal temperature lower than the internal body temperature
C Escaping any possible compression by the visceral organs
D Providing more space for the growth of epididymis
Ans 2
Question 15
If for some reason, the vasa efferentia in the human reproductive system get blocked, the gametes will not be transported from
A Vagina to uterus
B Testes to epididymis
C Epididymis to vas deferens
D Ovary to uterus
Ans 2
Question 1
ZIFT is
A Transfer of mixture of sperms and ova into the fallopian tube
B Transfer of embryo into the uterus
C Transfer of zygote into the fallopian tube
D Transfer of mixture of sperms and ova into the uterus
Ans 3
Question 2
At the time of implantation, the human embryo is called
A zygote
B blastocyst
C embryo
D foetus
Ans 2
Question 3
Sertoli cells are nourishing cells in the testis. They also secrete a hormone. Identify the same.
A Inhibin
B Gonadotropin
C Testosterone
D Relaxin
Ans 1
Question 4
The type of connective tissue that is associated with the Umbilical cord is:
A Adipose connective tissue
B Jelly-like connective tissue
C Areolar connective tissue
D Reticular connective tissue
Ans 2
Question 5
The chemical substance released by activated spermatozoa that acts on the ground substances of the follicle cells is known as
A Progesterone
B Hyaluronidase
C Relaxin
D Gonadotropin
Ans 2
Question 6
Usually the first movements of the foetus and appearance of hair on its head are usually observed during which month of pregnancy?
A Third month
B Fourth month
C Fifth month
D Sixth month
Ans 3
Question 7
Which of the following are secretions produced by the spermatozoa at the time of fertilization?
A Fertilizin and sperm lysin
B Anti-fertilizin and sperm lysin
C Fertilizin and anti-fertilizin
D only sperm lysin
Ans 2
Question 8
Which of the following groups of cells in the male gonad, represent haploid cells?
A Primary spermatocytes
B Spermatogonial cells
C Germinal epithelial cells
D Secondary spermatocytes
Ans 4
Question 9
In the human female, menstruation can be deferred by the administration of:
A Combination of estrogen and progesterone
B Combination of FSH and LH
C LH only
D FSH only
Ans 1
Question 10
Both corpus luteum and macula lutea are
A found in human ovaries
B a source of hormones
C characterized by a yellow colour
D contributory in maintaining pregnancy
Ans 3
Question 11
Which one of the following statement is incorrect?
A Scrotum regulates the temperature of the developing sperm within the testes.
B Middle piece of a sperm contains many mitochondria to provide energy for movement.
C Epididymis and ductus deferens also store sperm.
D Sperm contributes cytoplasm and organelles to zygote.
Ans 4
Question 12
In spermatogenesis, reduction division of chromosome occurs during conversion of
A Secondary spermatocytes to spermatids
B Primary spermatocytes to secondary spermatocytes
C Spermatogonia to primary spermatocytes
D Spermatids to sperms
Ans 2
Question 13
Match the following :
List – I List –II
a. Inguinal canal 1. Network of seminiferous tubules
b. Rete testis 2. Secondary sexual characters
c. Leydig cells 3. Far descending of testis
d. Prepuce 4. Dorsal bundles of muscles
e. Corpora cavernosa 5. Terminal skin of Penis
The correct match is
A a – 1, b – 2, c – 3, d – 5, e – 4
B a – 3, b – 1, c – 4, d – 2, e – 5
C a – 3, b – 1, c – 2, d – 5, e – 4
D a – 2, b – 4, c – 3, d – 5, e – 1
Ans 3
Question 1
Human seminal plasma, the fluid part of semen, is produced by contributions from the: i. Urethra ii. Prostate iii. Seminal vesicle iv. Bulbourethral gland
A i and iii
B i and iv
C i, iii and iv
D ii, iii and iv
Ans: 4
Question 2
Which one of the following statement is correct?
A Spermatogenesis is the formation of sperm cells.
B Spermatogenesis occurs in the seminiferous tubules.
C Follicle-stimulating hormone (FSh) indirectly stimulates spermatogenesis.
D All of these are correct
Ans 4
Question 3
Which one of the following statements is incorrect about menopause?
A Generally occurs between the ages of 45 and 55
B Causes the cessation of the female reproductive cycle
C Anterior pituitary no longer produces FSH and LH
D Ovaries slowly reduce their secretion of estrogen
Ans 3
Question 4
Which one of the following statement is correct about sertoli cells also called as nurse cells?
A Found in adrenal cortex and secrete adrenaline
B Found in ovaries and secrete progesterone
C Found in pancreas and secrete cholecystokinin
D Found in Seminiferous tubules and provide nutrition of germ cells
Ans 4
Question 5
Which one of the following statements about morula in humans is correct?
A It has more cytoplasm and more DNA than an uncleaved zygote
B It has almost equal quantity of cytoplasm as an uncleaved zygote but much more DNA
C It has far less cytoplasm as well as less DNA than in an uncleaved zygote
D It has more or less equal quantity of cytoplasm and DNA as in uncleaved zygote
Ans 2
Question 6
Foetal ejection reflex in human female is induced by
A Differentiation of mammary glands
B Pressure exerted by amniotic fluid
C Release of oxytocin from pituitary
D Fully developed foetus and placenta
Ans 4
Question 7
Which one of the following is the most likely root cause why menstruation is not taking place in regularly cycling human female?
A Retention of well-developed corpus luteum
B Fertilisation of the ovum
C Maintenance of the hypertrophical endometrial lining
D Maintenance of high concentration of sex-hormones in the blood stream
Ans 4
Question 8
The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is
A Spermatogonia-spermatid-spermatocyte-sperms
B Spermatocyte-spermatogonia-spermatid-sperms
C Spermatogonia-spermatocyte-spermatid-sperms
D Spermatid-spermatocyte-spermatogonia-sperms
Ans 3
Question 9
Correct sequence of embryo development:
A Gamete → Zygote → Morula → Blastula → Gastrula
B Gamete → Zygote → Blastula → Morula → Gastrula
C Gamete → Neurula → Gastrula
D Gamete → Neurula → Morula
Ans 1
Question 10
Which one of the following statements is incorrect about menstruation?
A The beginning of the cycle of menstruation is called menarche
B During normal menstruation about 40 ml blood is lost
C The menstrual fluid can easily clot
D At menopause in the female, there is especially abrupt increase in gonadotropic hormones
Ans 3
Question 11
The hemoglobin of a human foetus:
A Has a higher affinity for oxygen than that of an adult
B Has a lower affinity for oxygen than that of the adult
C Its affinity for oxygen is the same as that of an adult
D Has only two protein subunits instead of four
Ans 1
Question 12
What happens during fertilisation in humans after many sperms reach close to the ovum?
A Cells of corona radiata trap all the sperms except one
B Only two sperms nearest the ovum penetrate zona pellucida
C Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida
D All sperms except the one nearest to the ovum lose their tails
Ans 3
Question 13
Column I contains terms and column II contains definitions. Match them correctly and choose the right answer.
Column I Column II
A Parturition p Attachment of zygote to endometrium
B Gestation q Release of egg from Graafian follicle
C Ovulation r Delivery of baby from uterus
D Implantation s Duration between pregnancy and birth
E Conception t Formation of zygote by fusion of the egg and sperm
u Stoppage of ovulation and menstruation
A A = q, B = s, C = p, D = t, E = r
B A = s, B = r, C = p, D = t, E = q
C A = t, B = p, C = q, D = r, E = s
D A = r, B = s, C = q, D = p, E = t
Questions 1
Cavity of graafian follicle is
A Amniotic cavity
B Antrum
C Liquor folliculi
D Discus proligerous
Ans 1
Question 2
Cells of corona radiata remain grouped together by
A Pectins
B Lipids
C Hyaluronidase
D Hyaluronic acid
Ans 4
Question 3
Cells of Leydig occur in
A Liver
B Ovary
C Testis
D Spleen
Ans 3
Question 4
Cleavage starts after fertilization in
A Fallopian tube
B Uterus
C Vestibule
D Clitoris
Ans 1
Question 5
Connective tissue around seminiferous tubules possess endocrine cells called
A Leydig cells
B Sertoli cells
C Primary germ cells
D Both (A) and (B)
Ans 1
Question 6
Conversion of spermatids into sperms is
A Spermiogenesis
B Ppermatogenesis
C Gametogenesis
D Metamorphosis
Ans 1
Question 7
Corona radia is made up of
A zona pellucid around the oocyte
B vitelline membrane
C follicular cells around the oocyte
D stratum functionalis
Ans 3
Question 8
Corpus leteum develops from
A Oocyte
B Nephrostome
C Graafian follicle
D none of the above
Ans 3
Question 9
Corpus luteum
A Degenerates during pregnancy
B Later forms corpus albicans
C Remains present throughout pregnancy
D Decreases in size during pregnancy
Ans 2
Question 10
Corpus luteum develops under the influence of
A Progesterone
B Estrogen
C FSH
D LH
Ans 4
Question 11
Corpus luteum disintegrates due to non-availability of
A LTH
B FSH
C Progesterone
D LH
Ans 4
Question 12
Corpus luteum produces
A Estrogen
B Testosterone
C Progesterone
D None of the above
Ans 3
Question 13
Corpus luteum secretes hormone
A Estrogen
B Progesterone
C FSH
D LH
Ans 2
Question 14
Correct sequence in development is
A Fertilization – Zygote – cleavage – Morula – Blastula - Gastrula
B Fertilization – Zygote – Blastula – Morula – Cleavage - Gastrula
C Fertilization – Cleavage – Morula – Zygote – Blastula – Gastrula
D Cleavage – Zygote – Fertilization – Morula – Blastula - Gastrula
Ans 1
Question 15
Correct sequence of hormone secretion from beginning of menstruation is
A FSH, progesterone, estrogen
B Estrogen, FSH, progesterone
C FSH, estrogen progesterone
D Estrogen, progesterone, FSH
Ans 3
Question 16
Cryptorchidism is a condition of tests
A Unable to descend in scrotal sacs
B Unale to produce sperms
C Having been surgically removed
D Having remained undeveloped
Ans 1
Question 17
Fertilizin is a chemical substance produced from
A Mature eggs
B Acrosome
C Polar bodies
D Middle piece of sperm
Ans 1
Question 18
Immediately after ovulation, the mammalian egg is covered by a membrane known as:
A Chorion
B Zona pellucida
C Corona radiata
D Vitelline membrane
Ans 2
Question 19
Loss of reproductive capacity in women after age of 45 years is
A Menstruation
B Ageing
C Menopause
D Menarche
Ans 3
Question 20
When released from ovary, human egg contains
A One Y chromosome
B Two X chromosomes
C One X chromosome
D XY chromosomes
Ans 3
Level 2
Question 1
32-celled stage of human embryo is
A Smaller than fertilized egg
B Same size as fertilized egg
C Two times the size of fertilized egg
D Four times the size of fertilized egg
Ans: 2
Question 2
A cross section at the midpoint of middle piece of human sperm will show
A Centriole, mitochondria and 9 + 2 arrangement of microtubules
B Centriole and mitochondria
C Mitochondria and 9 + 2 arrangement of microtubules
D 9 + 2 arrangement of microtubules only
Ans:3
Question 3
A mature sperm has
A A pair of flagella
B A nucleus, an acrosome and a centriole
C A nucleus, an acrosome, a pair of centrioles
D A nucleus, an acrosome, a pair of centrioles and a tail
Ans 4
Question 4
A protective layer around testes is
A Tunica adventitia
B Tunica vasculosa
C Tunica media
D Tunica albuginea
Ans 4
Question 5
About 60% of the semen is formed by secretion of
A Cowper’s gland
B Seminiferous tubule
C Prostate gland
D Seminal vesicles
Ans 4
Question 6
Accessory genital gland found only in males is
A Cowper’s gland
B Bartholin’s gland
C Perineal gland
D Prostate gland
Ans 4
Question 7
Acrosomal cap is formed from
A Ribosomes
B Mitochondria
C Nucleus
D Golgi complex
Ans 4
Question 8
Acrosome is derived from
A Nucleus
B Golgi apparatus
C Mitochondria
D Cytoplasm
Ans 2
Question 9
Acrosome reaction in sperm is triggered by
A Release of fertilizin
B Release of lysins
C Capacitation
D Influx of Na+ in sperm
Ans 2
Question 10
After few days of delivery, the mammary glands secrete a highly nutritive fluid called
A Colostrum
B Renin
C Serotonin
D Secretin
Ans 1
Question 11
After ovulation, Graafian follicle forms
A Corpus luteum
B Corpus albicans
C Corpus artesia
D Corpus callosum
Ans: 1
Question 12
Amniotic fluid protects the foetus from
A Shock
B Encystment
C Degeneration
D Disease
Ans 1
Question 13
An organ not formed from ectoderm is
A Middle ear
B Optic nerve
C Inner ear
D Skin
Ans 1
Question 14
Antrum is cavity of
A Ovary
B Graafian follicle
C Blastula
D Gastrual
Ans 2
Question 15
Bartholin’s glands are situated
A on the side of head of some amphibians
B at the reduced tail end of birds
C on either side of vagina in humans
D on either side of vas deferens in humans
Ans: 3
Question 16
Binary fission does not occur in
A amoeba
B Euglena
C Plasmodium
D Paramecium
Ans 3
Question 17
Brain/CNS develops from
A Ectoderm
B Mesoderm
C Endoderm
D Ectoendoderm
Ans 1
Question 18
Budding method of asexual reproduction occurs in
A Amoeba
B Plasmodium
C Paramecium
D Hydra
Ans 4
Question 19
Capacitation of sperm occurs in
A Vagina
B Female genital tract
C Vas efferens
D Vas deferens
Ans 2
Question 20
Cauda epididymis leads to
A Vas efferens
B Vas deferens
C Ejaculatory duct
D Rete testis
Ans 2
Level 3
Human Reproduction MCQs Quiz - 03
Question 1
Which one of the followings causes the mammary glands to enlarge at puberty?
A Testosterone
B Progesterone
C Estrogen
D Oxytocin
Ans : 3
Question 2
What is the inner lining of the uterus called?
A Cervix
B Oviduct
C Endometrium
D Fimbriae
Ans 3
Question 3
Where does fertilization usually take place?
A Cervix
B Vagina
C Uterus
D Oviduct
Ans 4
Question 4
Which one of the followings regarding 'Estrogen' is correct?
A Causes the endometrium to rebuild
B Has no effect on the Wolffian duct
C Maintains the secondary sexual characteristics in female
D All of these
Ans 4
Question 5
The process of sperm production takes place in the ______.
A Epididymis
B Vas deferens
C Prostate glands
D Seminiferous tubules
Ans 4
Question 6
Which one of the followings secretes the gonadotropic hormones?
A Adrenal
B Anterior pituitary
C Posterior pituitary
D Thyroid
Ans 2
Question 7
The secretory phase in the human menstrual cycle is also called
A Luteal phase and lasts for about 6 days
B Follicular phase lasting for about 6 days
C Luteal phase and lasts for about 13 days
D Follicular phase and lasts for about 13 days
Ans 3
Question 8
Vasa efferentia are the ductules leading from
A Epididymis to urethra
B Testicular lobules to rete testis
C Rete testis to vas deferens
D Vas deferens to epididymis
Ans 3
Question 9
Which one of the followings is incorrectly matched regarding female reproductive organs?
A Ovaries - eggs and sex hormones are produced
B Oviducts - serves as the site of fertilization
C Uterus - Serves as the birth canal
D Cervix - Contains opening to embryo/fetus
Ans 3
Question 10
Which one of the followings is incorrectly matched regarding male reproductive organs?
A Testes: Sperm and sex hormones are produced
B Epididymis: Ducts where sperm mature
C Prostate gland: Contributes fluid to semen
D Urethra: Contributes nutrients and mucus-containing fluid to semen
Ans 4
Question 11
Which one of the following events occurs in luteal phase (or secretory phase) of the menstrual cycle?
A Follicle-stimulating hormone (FSH) secretion begins
B Follicle maturation takes place
C Corpus luteum forms
D Endometrium breaks down
Ans 3
Question 12
Where do the female gonads (paired ovaries) lie?
A Pelvic cavity
B Thoracic cavity
C Abdominal cavity
D Scrotal sacs
Ans 1
Question 13
Which one of the following statements about human sperm is correct?
A Acrosome serves no particular function
B Acrosome has a conical pointed structure used for piercing and penetrating the egg resulting in fertilization
C The sperm lysins in the acrosome dissolve the egg envelope facilitating fertilization
D Acrosome serves as a sensory structure leading the sperm towards the ovum
Ans 3
Question 14
The testes in humans are situated outside the abdominal cavity inside a pouch called scrotum. The purpose served is for
A Providing a secondary sexual feature for exhibiting the male sex
B Maintaining the scrotal temperature lower than the internal body temperature
C Escaping any possible compression by the visceral organs
D Providing more space for the growth of epididymis
Ans 2
Question 15
If for some reason, the vasa efferentia in the human reproductive system get blocked, the gametes will not be transported from
A Vagina to uterus
B Testes to epididymis
C Epididymis to vas deferens
D Ovary to uterus
Ans 2
Level 4
ZIFT is
A Transfer of mixture of sperms and ova into the fallopian tube
B Transfer of embryo into the uterus
C Transfer of zygote into the fallopian tube
D Transfer of mixture of sperms and ova into the uterus
Ans 3
Question 2
At the time of implantation, the human embryo is called
A zygote
B blastocyst
C embryo
D foetus
Ans 2
Question 3
Sertoli cells are nourishing cells in the testis. They also secrete a hormone. Identify the same.
A Inhibin
B Gonadotropin
C Testosterone
D Relaxin
Ans 1
Question 4
The type of connective tissue that is associated with the Umbilical cord is:
A Adipose connective tissue
B Jelly-like connective tissue
C Areolar connective tissue
D Reticular connective tissue
Ans 2
Question 5
The chemical substance released by activated spermatozoa that acts on the ground substances of the follicle cells is known as
A Progesterone
B Hyaluronidase
C Relaxin
D Gonadotropin
Ans 2
Question 6
Usually the first movements of the foetus and appearance of hair on its head are usually observed during which month of pregnancy?
A Third month
B Fourth month
C Fifth month
D Sixth month
Ans 3
Question 7
Which of the following are secretions produced by the spermatozoa at the time of fertilization?
A Fertilizin and sperm lysin
B Anti-fertilizin and sperm lysin
C Fertilizin and anti-fertilizin
D only sperm lysin
Ans 2
Question 8
Which of the following groups of cells in the male gonad, represent haploid cells?
A Primary spermatocytes
B Spermatogonial cells
C Germinal epithelial cells
D Secondary spermatocytes
Ans 4
Question 9
In the human female, menstruation can be deferred by the administration of:
A Combination of estrogen and progesterone
B Combination of FSH and LH
C LH only
D FSH only
Ans 1
Question 10
Both corpus luteum and macula lutea are
A found in human ovaries
B a source of hormones
C characterized by a yellow colour
D contributory in maintaining pregnancy
Ans 3
Question 11
Which one of the following statement is incorrect?
A Scrotum regulates the temperature of the developing sperm within the testes.
B Middle piece of a sperm contains many mitochondria to provide energy for movement.
C Epididymis and ductus deferens also store sperm.
D Sperm contributes cytoplasm and organelles to zygote.
Ans 4
Question 12
In spermatogenesis, reduction division of chromosome occurs during conversion of
A Secondary spermatocytes to spermatids
B Primary spermatocytes to secondary spermatocytes
C Spermatogonia to primary spermatocytes
D Spermatids to sperms
Ans 2
Question 13
Match the following :
List – I List –II
a. Inguinal canal 1. Network of seminiferous tubules
b. Rete testis 2. Secondary sexual characters
c. Leydig cells 3. Far descending of testis
d. Prepuce 4. Dorsal bundles of muscles
e. Corpora cavernosa 5. Terminal skin of Penis
The correct match is
A a – 1, b – 2, c – 3, d – 5, e – 4
B a – 3, b – 1, c – 4, d – 2, e – 5
C a – 3, b – 1, c – 2, d – 5, e – 4
D a – 2, b – 4, c – 3, d – 5, e – 1
Ans 3
Level 5
Question 1
Human seminal plasma, the fluid part of semen, is produced by contributions from the: i. Urethra ii. Prostate iii. Seminal vesicle iv. Bulbourethral gland
A i and iii
B i and iv
C i, iii and iv
D ii, iii and iv
Ans: 4
Question 2
Which one of the following statement is correct?
A Spermatogenesis is the formation of sperm cells.
B Spermatogenesis occurs in the seminiferous tubules.
C Follicle-stimulating hormone (FSh) indirectly stimulates spermatogenesis.
D All of these are correct
Ans 4
Question 3
Which one of the following statements is incorrect about menopause?
A Generally occurs between the ages of 45 and 55
B Causes the cessation of the female reproductive cycle
C Anterior pituitary no longer produces FSH and LH
D Ovaries slowly reduce their secretion of estrogen
Ans 3
Question 4
Which one of the following statement is correct about sertoli cells also called as nurse cells?
A Found in adrenal cortex and secrete adrenaline
B Found in ovaries and secrete progesterone
C Found in pancreas and secrete cholecystokinin
D Found in Seminiferous tubules and provide nutrition of germ cells
Ans 4
Question 5
Which one of the following statements about morula in humans is correct?
A It has more cytoplasm and more DNA than an uncleaved zygote
B It has almost equal quantity of cytoplasm as an uncleaved zygote but much more DNA
C It has far less cytoplasm as well as less DNA than in an uncleaved zygote
D It has more or less equal quantity of cytoplasm and DNA as in uncleaved zygote
Ans 2
Question 6
Foetal ejection reflex in human female is induced by
A Differentiation of mammary glands
B Pressure exerted by amniotic fluid
C Release of oxytocin from pituitary
D Fully developed foetus and placenta
Ans 4
Question 7
Which one of the following is the most likely root cause why menstruation is not taking place in regularly cycling human female?
A Retention of well-developed corpus luteum
B Fertilisation of the ovum
C Maintenance of the hypertrophical endometrial lining
D Maintenance of high concentration of sex-hormones in the blood stream
Ans 4
Question 8
The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is
A Spermatogonia-spermatid-spermatocyte-sperms
B Spermatocyte-spermatogonia-spermatid-sperms
C Spermatogonia-spermatocyte-spermatid-sperms
D Spermatid-spermatocyte-spermatogonia-sperms
Ans 3
Question 9
Correct sequence of embryo development:
A Gamete → Zygote → Morula → Blastula → Gastrula
B Gamete → Zygote → Blastula → Morula → Gastrula
C Gamete → Neurula → Gastrula
D Gamete → Neurula → Morula
Ans 1
Question 10
Which one of the following statements is incorrect about menstruation?
A The beginning of the cycle of menstruation is called menarche
B During normal menstruation about 40 ml blood is lost
C The menstrual fluid can easily clot
D At menopause in the female, there is especially abrupt increase in gonadotropic hormones
Ans 3
Question 11
The hemoglobin of a human foetus:
A Has a higher affinity for oxygen than that of an adult
B Has a lower affinity for oxygen than that of the adult
C Its affinity for oxygen is the same as that of an adult
D Has only two protein subunits instead of four
Ans 1
Question 12
What happens during fertilisation in humans after many sperms reach close to the ovum?
A Cells of corona radiata trap all the sperms except one
B Only two sperms nearest the ovum penetrate zona pellucida
C Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida
D All sperms except the one nearest to the ovum lose their tails
Ans 3
Question 13
Column I contains terms and column II contains definitions. Match them correctly and choose the right answer.
Column I Column II
A Parturition p Attachment of zygote to endometrium
B Gestation q Release of egg from Graafian follicle
C Ovulation r Delivery of baby from uterus
D Implantation s Duration between pregnancy and birth
E Conception t Formation of zygote by fusion of the egg and sperm
u Stoppage of ovulation and menstruation
A A = q, B = s, C = p, D = t, E = r
B A = s, B = r, C = p, D = t, E = q
C A = t, B = p, C = q, D = r, E = s
D A = r, B = s, C = q, D = p, E = t
Ans 4
