17745.Which one of the followings is incorrectly matched regarding male reproductive organs?
Testes: Sperm and sex hormones are produced
Epididymis: Ducts where sperm mature
Prostate gland: Contributes fluid to semen
Urethra: Contributes nutrients and mucus-containing fluid to semen
17746.Where do the female gonads (paired ovaries) lie?
Pelvic cavity
Thoracic cavity
Abdominal cavity
Scrotal sacs
17747.Which one of the following statements about human sperm is correct?
Acrosome serves no particular function
Acrosome has a conical pointed structure used for piercing and penetrating the egg resulting in fertilization
The sperm lysins in the acrosome dissolve the egg envelope facilitating fertilization
Acrosome serves as a sensory structure leading the sperm towards the ovum
17748.The testes in humans are situated outside the abdominal cavity inside a pouch called scrotum. The purpose served is for
Providing a secondary sexual feature for exhibiting the male sex
Maintaining the scrotal temperature lower than the internal body temperature
Escaping any possible compression by the visceral organs
Providing more space for the growth of epididymis
17749.If for some reason, the vasa efferentia in the human reproductive system get blocked, the gametes will not be transported from
Vagina to uterus
Testes to epididymis
Epididymis to vas deferens
Ovary to uterus
17750.In the absence of acrosome, the sperm
cannot penetrate the egg
cannot get food
cannot get energy
cannot swim
17751.ZIFT is
Transfer of mixture of sperms and ova into the fallopian tube
Transfer of embryo into the uterus
Transfer of zygote into the fallopian tube
Transfer of mixture of sperms and ova into the uterus
17753.Sertoli cells are nourishing cells in the testis. They also secrete a hormone. Identify the same.
Inhibin
Gonadotropin
Testosterone
Relaxin
17754.Morphogenetic movements take place during
Formaiton of morula
Blastulation
Gastrulation
Organogenesis
17755.The type of connective tissue that is associated with the Umbilical cord is:
Adipose connective tissue
Jelly-like connective tissue
Areolar connective tissue
Reticular connective tissue
17756.Usually the first movements of the foetus and appearance of hair on its head are usually observed during which month of pregnancy?
Third month
Fourth month
Fifth month
Sixth month
17757.Which of the following are secretions produced by the spermatozoa at the time of fertilization?
Fertilizin and sperm lysin
Anti-fertilizin and sperm lysin
Fertilizin and anti-fertilizin
only sperm lysin
17758.Which of the following groups of cells in the male gonad, represent haploid cells?
Primary spermatocytes
Spermatogonial cells
Germinal epithelial cells
Secondary spermatocytes
17759.In the human female, menstruation can be deferred by the administration of:
Combination of estrogen and progesterone
Combination of FSH and LH
LH only
FSH only
17760.Which one of the following statement is incorrect?
Scrotum regulates the temperature of the developing sperm within the testes.
Middle piece of a sperm contains many mitochondria to provide energy for movement.
Epididymis and ductus deferens also store sperm.
Sperm contributes cytoplasm and organelles to zygote.
17761.In spermatogenesis, reduction division of chromosome occurs during conversion of
Secondary spermatocytes to spermatids
Primary spermatocytes to secondary spermatocytes
Spermatogonia to primary spermatocytes
Spermatids to sperms
17762.Match the following :
The correct match is
| 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 – 1, b – 2, c – 3, d – 5, e – 4
a – 3, b – 1, c – 4, d – 2, e – 5
a – 3, b – 1, c – 2, d – 5, e – 4
a – 2, b – 4, c – 3, d – 5, e – 1
17763.Identify the human development stage shown below as well as the related right place of its occurrence in a normal pregnant woman, and select the right option for the two together.
Late morula — Middle part of Fallopian tube
Blastula — End part of Fallopian tube
Blastocyst — Uterine wall
8-celled morula — Starting point of Fallopian tube
17764.Match List I with List II and choose the correct answer.
| List I | List II | ||
|---|---|---|---|
| a. | Hypothalamus | 1. | Sperm lysins |
| b. | Acrosome | 2. | Estrogen |
| c. | Graafian follicle | 3. | Relaxin |
| d. | Leydig cells | 4. | GnRH |
| e. | Parturition | 5. | Testosterone |
a – 4, b – 1, c – 2, d – 3, e – 5
a – 2, b – 1, c – 4, d – 3, e – 5
a – 2, b – 1, c – 5, d – 4, e – 3
a – 4, b – 1, c – 2, d – 5, e – 3
17765.Human seminal plasma, the fluid part of semen, is produced by contributions from the:
i. Urethra
ii. Prostate
iii. Seminal vesicle
iv. Bulbourethral gland
i. Urethra
ii. Prostate
iii. Seminal vesicle
iv. Bulbourethral gland
i and iii
i and iv
i, iii and iv
ii, iii and iv
17766.Which one of the following statements is incorrect about menopause?
Generally occurs between the ages of 45 and 55
Causes the cessation of the female reproductive cycle
Anterior pituitary no longer produces FSH and LH
Ovaries slowly reduce their secretion of estrogen
17767.Which one of the following statement is correct about sertoli cells also called as nurse cells?
Found in adrenal cortex and secrete adrenaline
Found in ovaries and secrete progesterone
Found in pancreas and secrete cholecystokinin
Found in Seminiferous tubules and provide nutrition of germ cells
17768.Which one of the following statements about morula in humans is correct?
It has more cytoplasm and more DNA than an uncleaved zygote
It has almost equal quantity of cytoplasm as an uncleaved zygote but much more DNA
It has far less cytoplasm as well as less DNA than in an uncleaved zygote
It has more or less equal quantity of cytoplasm and DNA as in uncleaved zygote
17769.Foetal ejection reflex in human female is induced by
Differentiation of mammary glands
Pressure exerted by amniotic fluid
Release of oxytocin from pituitary
Fully developed foetus and placenta
17770.The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is
Spermatogonia - spermatid - spermatocyte - sperms
Spermatocyte - spermatogonia - spermatid - sperms
Spermatogonia - spermatocyte - spermatid - sperms
Spermatid - spermatocyte - spermatogonia - sperms
17771.Which one of the following statements is incorrect about menstruation?
The beginning of the cycle of menstruation is called menarche
During normal menstruation about 40 ml blood is lost
The menstrual fluid can easily clot
At menopause in the female, there is especially abrupt increase in gonadotropic hormones
17772.Which one of the following events occurs in luteal phase (or secretory phase) of the menstrual cycle?
Follicle-stimulating hormone (FSH) secretion begins
Follicle maturation takes place
Corpus luteum forms
Endometrium breaks down
17773.Outer layer of blastocyst that gives rise to ectoderm is
trophoblast
germinal vesicle
Cnidoblast
amnion
17774.Short-lived immunity acquired from mother to foetus across placenta or through mother's milk to the infant is categorized as:
Cellular immunity
Passive immunity
Active immunity
Innate non-specific immunity
17775.The hemoglobin of a human foetus:
Has a higher affinity for oxygen than that of an adult
Has a lower affinity for oxygen than that of the adult
Its affinity for oxygen is the same as that of an adult
Has only two protein subunits instead of four
17776.What happens during fertilisation in humans after many sperms reach close to the ovum?
Cells of corona radiata trap all the sperms except one
Only two sperms nearest the ovum penetrate zona pellucida
Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida
All sperms except the one nearest to the ovum lose their tails
17777.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 = q, B = s, C = p, D = t, E = r
A = s, B = r, C = p, D = t, E = q
A = t, B = p, C = q, D = r, E = s
A = r, B = s, C = q, D = p, E = t
17778.Ovulation in the human female normally takes place during the menstrual cycle
At the end of the proliferative phase
At the beginning of the proliferative phase
Just before the end of the secretory cycle
At the mid secretory phase
17779.The figure given below depicts a diagrammatic sectional view of the female reproductive system of humans.Which one set of three parts out of I – VI have been correctly identified?
(I) Perimetrium, (II) Myometrium, (III) Fallopian tube
(II) Endometrium, (III) Infundibulum, (IV) Fimbriae
(III) Infundibulum, (IV) Fimbriae, (V) Cervix
(IV) Oviducal funnel, (V) Uterus, (VI) Cervix
17780.Given below is a diagrammatic sketch of a portion of human male reproductive system. Select the correct set of the names of the parts labelled A, B, C, D.
| A | B | C | D | |
|---|---|---|---|---|
| (1) | Ureter | Seminal vesicle | Prostate | Bulbourethral gland |
| (2) | Ureter | Prostate | Seminal vesicle | Bulbourethral gland |
| (3) | Vas deferens | Seminal vesicle | Prostate | Bulbourethral gland |
| (4) | Vas deferens | Seminal vesicle | Bulbourethral gland | Prostate |
Option (1)
Option (2)
Option (3)
Option (4)
17781.The Leydig cells as found in the human body are the secretory source of
Glucagon
Androgens
Progesterone
Intestinal mucus
17782.In a normal pregnant woman, the amount of total gonadotropin activity was assessed. The result expected was
High levels of FSH and LH in uterus to stimulate endometrial thickening
High level of circulating HCG to stimulate estrogen and progesterone synthesis
High level of circulating FSH and LH in the uterus to stimulate implantation of the embryo
High level of circulating HCG to stimulate endometrial thickening
17783.Signals for parturition originate from
Placenta only
Fully developed foetus only
Both placenta as well as fully developed foetus
Oxytocin released from maternal pituitary
17784.Which one of the following statements is false in respect of viability of mammalian sperm?
Viability of sperm is determined by its motility
Sperms must be concentrated in a thick suspension
Sperm is viable for only up to 24 hours
Survival of sperm depends on the pH of the medium and is more active in alkaline medium
17785.The endocrine structure and the corresponding hormones are listed in the table below. Match the columns and select the correct option.
| Column I | Column II |
|---|---|
| (a) Hypothalamus | (p) Relaxin |
| (b) Anterior Pituitary | (q) Estrogen |
| (c) Testis | (r) FSH and LH |
| (d) Ovary | (s) Androgens |
| (t) Gonadotropin releasing hormone |
(a) - (t), (b) - (r), (c) - (s), (d) - (q)
(a) - (t), (b) - (r), (c) - (q), (d) - (s)
(a) - (p), (b) - (q), (c) - (s), (d) - (r)
(a) - (r), (b) - (t), (c) - (s), (d) - (q)
17786.Hormones and their functions are listed in the table below. Match the columns and select the correct option.
| Column I | Column II |
|---|---|
| (a) Oxytocin | (p) Stimulates ovulation |
| (b) Prolactin | (q) Implantation and maintenance of pregnancy |
| (c) Luteinizing hormone | (r) Lactation after child birth |
| (d) Progesterone | (s) Uterine contraction during labour |
| (t) Reabsorption of water by Nephrons |
(a) - (s), (b) - (r), (c) - (p), (d) - (q)
(a) - (t), (b) - (p), (c) - (s), (d) - (r)
(a) - (s), (b) - (q), (c) - (r), (d) - (t)
(a) - (t), (b) - (r), (c) - (p), (d) - (s)
17787.Parts of the sperm and their descriptions are listed in the table below. Match the columns and select the correct option.
| Column I | Column II |
|---|---|
| (a) Acrosome | (i) contains mitochondria producing energy for the sperm |
| (b) Head | (ii) whip-like movements to propel the sperm |
| (c) Midpiece | (iii) contains the chromosomes |
| (d) Tail | (iv) contains the enzymes for assisting fertilization |
(a) - (i), (b) - (ii), (c) - (iv), (d) - (iii)
(a) - (iv), (b) - (iii), (c) - (i), (d) - (ii)
(a) - (iii), (b) - (i), (c) - (ii), (d) - (iv)
(a) - (ii), (b) - (iv), (c) - (iii), (d) - (i)
17788.Which one of the following statements is correct?
FSH and LH occur in both males and females
FSH and LH stimulate the follicle to secrete estrogen.
The ovarian cycle depends on the blood levels of FSH and LH.
All of these are correct.
17791.About which day in a normal human menstrual cycle does rapid secretion of LH (Popularly called LH-surge) normally occurs?
5th day
11th day
14th day
20th day
17792.Which group represents external genitalia of human female?
Labium minora, labium majora, vagina
Labium minora, labium majora, oviduct
Labium minora, labium majora, cervix
Labium minora, labium majora, clitoris
17793.When released from ovary, human egg contains
One Y chromosome
Two X chromosomes
One X chromosome
XY chromosomes
17794.Which one of the following is not formed from mesoderm?
Blood
Bones and cartilage
Kidneys
nervous-system