Question 1: Palette 1/247

Allen MCQ

Which one of the following is a primary sex organ of human male ?

A

Scrotum

B

Penis

C

Testis

D

Prostate gland

Question 2: Palette 2/247

Allen MCQ

Secondary sex organ in human male is :-

A

testis

B

ovary

C

beard

D

vas deferens

Question 3: Palette 3/247

Allen MCQ

Vasa efferentia connect the :-

A

testis with epididymis

B

kidney with urinary bladder

C

testis with scrotal wall

D

None of the above

Question 4: Palette 4/247

Allen MCQ

In human, failure of testes to descend into scrotum is known as :-

A

paedogenesis

B

castration

C

cryptorchidism

D

impotency

Question 5: Palette 5/247

Allen MCQ

Common duct formed by union of vas deferens and duct from seminal vesicle is :-

A

urethra

B

tunica vasculosa

C

ejaculatory duct

D

spermatic duct

Question 6: Palette 6/247

Allen MCQ

Scrotum communicates with abdominal cavity through :-

A

urethra

B

inguinal canal

C

vas deferens

D

epididymis

Question 7: Palette 7/247

Allen MCQ

Tunica albuginea is the covering around :-

A

oviduct

B

testis

C

kidney

D

heart

Question 8: Palette 8/247

Allen MCQ

The functional unit of testis is :-

A

uriniferous tubules

B

malpighian tubules

C

seminiferous tubules

D

acini or lobules

Question 9: Palette 9/247

Allen MCQ

Penile urethra traverses through :-

A

corpus cavernosum

B

corpus spongiosum

C

corpus callosum

D

corpus striatum

Question 10: Palette 10/247

Allen MCQ

Seminiferous tubules are composed of :-

A

spermatogonia

B

glandular epithelium

C

sensory epithelium

D

germinal epithelium

Question 11: Palette 11/247

Allen MCQ

In human, the testes are located in :-

A

abdominal cavity

B

thoracic cavity

C

extra-abdominal cavity

D

pericardial cavity

Question 12: Palette 12/247

Allen MCQ

Bundles of erectile tissues in penis are :-

A

corpora cavernosa

B

corpus spongiosum

C

Both (1) & (2)

D

None of the above

Question 13: Palette 13/247

Allen MCQ

Glans penis is covered by :-

A

areolar membrane

B

prepuce

C

metrium

D

None of these

Question 14: Palette 14/247

Allen MCQ

In human, the testes occur in scrotal sacs, outside the viscera because of the :-

A

presence of urinary bladder

B

presence of rectum

C

long vas-deferens

D

requirement of low temperature for spermatogenesis

Question 15: Palette 15/247

Allen MCQ

Read the following statements. (a) It is paired structure (b) It is present on lateral side of male urethra (c) It help in lubrication of penis In above statements 'it' refers to :-

A

seminal vesicle

B

Bartholin's gland

C

bulbourethral gland

D

prostate

Question 16: Palette 16/247

Allen MCQ

Cells of Leydig occur in :-

A

liver

B

ovary

C

testis

D

spleen

Question 17: Palette 17/247

Allen MCQ

Seminiferous tubules occur in the :-

A

liver

B

kidney

C

ovary

D

testis

Question 18: Palette 18/247

Allen MCQ

Fructose is present in the secretion of:-

A

seminal vesicle

B

perineal gland

C

Cowper's gland

D

Bartholin's gland

Question 19: Palette 19/247

Allen MCQ

It is a diagrammatic sectional view of male reproductive system. Identify common duct which forms from the fusion of duct of seminal vesicle and vas deferens.

A

A

B

B

C

D

D

C

Question 20: Palette 20/247

Allen MCQ

Temperature of scrotum as compared to abdominal cavity is less by :-

A

${ 1 ^ { \circ } \mathsf C }$

B

${ 5 } ^ { \circ } { \mathsf { C } }$

C

${ 3 ^ { 0 } C }$

D

$1 0 ^ { \circ } \mathsf { C }$

Question 21: Palette 21/247

Allen MCQ

Outer coat of seminiferous tubules is composed of fibrous connective tissue and is called as :-

A

tunica propria

B

lamina propria

C

plica semilunaris

D

tunica albuginea

Question 22: Palette 22/247

Allen MCQ

Secretions from which one of the following glands are rich in fructose, calcium and some enzymes ?

A

Salivary glands

B

Female sex accessory glands

C

Male sex accessory glands

D

Liver

Question 23: Palette 23/247

Allen MCQ

Which is an unpaired gland of male reproductive system?

A

Bartholin's gland

B

Seminal vesicle

C

Prostate gland

D

Cowper's gland

Question 24: Palette 24/247

Allen MCQ

In human, maturation of sperms take place at a temperature :-

A

equal to that of body

B

higher than that of body

C

lower than that of body

D

at any temperature

Question 25: Palette 25/247

Allen MCQ

Circumcission is the procedure of :-

A

cutting the glans penis

B

removal of whole skin of penis

C

removal of movable skin (prepuce) of glans penis

D

reduction of the body part of penis

Question 26: Palette 26/247

Allen MCQ

Prostate gland produces a secretion for :-

A

attracting sperms

B

stimulating sperm activity

C

attracting egg

D

None of the above

Question 27: Palette 27/247

Allen MCQ

Testes descend into scrotum in human for:-

A

spermatogenesis

B

fertilization

C

development of sex organs

D

development of visceral organs

Question 28: Palette 28/247

Allen MCQ

Tunica vaginalis is found in :-

A

ovary of female

B

testis of male

C

vagina of female

D

None of the above

Question 29: Palette 29/247

Allen MCQ

Spermatozoa are nourished during their development by :-

A

Sertoli cells

B

interstitial cells

C

connective tissue cells

D

None of the above

Question 30: Palette 30/247

Allen MCQ

Release of sperms from testis is called as :-

A

spermiation

B

semination

C

insemination

D

ejaculation

Question 31: Palette 31/247

Allen MCQ

A secondary sexual character of human female is :-

A

breasts

B

ovaries

C

testes

D

thyroid gland

Question 32: Palette 32/247

Allen MCQ

Which is not a secondary sex organ in human?

A

Vagina

B

Penis

C

Prostate

D

Mammary gland

Question 33: Palette 33/247

Allen MCQ

At puberty, woman starts producing :-

A

sperms

B

urine

C

young ones

D

ova

Question 34: Palette 34/247

Allen MCQ

Eggs from ovary are released in :-

A

oviduct

B

kidney

C

ureter

D

coelom

Question 35: Palette 35/247

Allen MCQ

Lower narrow end of uterus is called as :-

A

urethra

B

cervix

C

clitoris

D

vulva

Question 36: Palette 36/247

Allen MCQ

Germinal epithelial cells are cuboidal and these are found in :-

A

testes

B

ovaries

C

Both (1) & (2)

D

None of the above

Question 37: Palette 37/247

Allen MCQ

Degenerative process of follicles or eggs in ovary is called :-

A

metagenesis

B

atresia

C

regression

D

None of the above

Question 38: Palette 38/247

Allen MCQ

Endometrium is lining of :-

A

testis

B

urinary bladder

C

uterus

D

ureter

Question 39: Palette 39/247

Allen MCQ

Clitoris is present at the upper junction of :-

A

labia majora

B

mons pubis

C

perineum

D

labia minora

Question 40: Palette 40/247

Allen MCQ

Parturition canal in female is :-

A

uterus

B

oviduct

C

vagina

D

urethra

Question 41: Palette 41/247

Allen MCQ

During differentiation, the spermatids remain associated with :-

A

Leydig's cells

B

Kupffer's cells

C

Spermatogonia

D

Sertoli cell

Question 42: Palette 42/247

Allen MCQ

In gametogenesis, reduction division takes place during :-

A

multiplication phase

B

growth phase

C

first maturation division

D

second maturation division

Question 43: Palette 43/247

Allen MCQ

Which type of division takes place during second maturation division ?

A

Reduction division

B

Equational division

C

Amitosis

D

None of the above

Question 44: Palette 44/247

Allen MCQ

Longest phase of spermatogenesis is :-

A

multiplication phase

B

growth phase

C

maturation phase

D

germinal phase

Question 45: Palette 45/247

Allen MCQ

During spermatogenesis, how many spermatozoa are formed from a single primary spermatocyte ?

A

1

B

2

C

4

D

8

Question 46: Palette 46/247

Allen MCQ

Correct order of spermatogenesis is :-

A

Spermatids → Spermatogonium → Spermatocytes → Sperms

B

Spermatogonium → Primary spermatocyte → Secondary Spermatocytes → Spermatids→ Sperms

C

Primary spermatocyte → Spermatogonium → Secondary spermatocytes → Sperms → Spermatids

D

Spermatogonium → Secondary spermatocytes → Primary spermatocyte → Spermatids → Sperms

Question 47: Palette 47/247

Allen MCQ

Which part of sperm is called power house ?

A

Head

B

Neck

C

Middle piece

D

Tail

Question 48: Palette 48/247

Allen MCQ

The acrosome plays a role in :-

A

fusion of nuclei of gametes

B

motality of sperm

C

penetration of sperm into ovum

D

All of the above

Question 49: Palette 49/247

Allen MCQ

The head of a mature sperm is mainly composed of :-

A

elongated nucleus and acrosomal material

B

mitochondria, cytoplasm and nucleus

C

two centrioles and the axial filament

D

All of the above

Question 50: Palette 50/247

Allen MCQ

A mature sperm has :-

A

a pair of flagella

B

a nucleus, an acrosome and a centriole

C

a nucleus, an acrosome and a pair of centrioles

D

a nucleus, an acrosome and a pair of centrioles and a tail

Question 51: Palette 51/247

Allen MCQ

Which part of the spermatid forms acrosome of sperm ?

A

Mitochondria

B

Golgi body

C

Nucleus

D

Lysosome

Question 52: Palette 52/247

Allen MCQ

Which of the following sets of vitamins is essential for gametogenesis ?

A

Vitamin A and vitamin E

B

Vitamin C and vitamin D

C

Vitamin E and vitamin K

D

Vitamin E and vitamin B complex

Question 53: Palette 53/247

Allen MCQ

At the time of birth, egg is arrested in the form of :-

A

oogonia

B

primary oocyte

C

secondary oocytes

D

ovum

Question 54: Palette 54/247

Allen MCQ

A human female has the maximum number of primary oocytes in her ovaries :-

A

at menopause

B

at puberty

C

at birth

D

early in her fertile years

Question 55: Palette 55/247

Allen MCQ

Egg is librated from ovary in human at :-

A

secondary oocyte stage

B

primary oocyte stage

C

oogonial stage

D

mature ovum stage

Question 56: Palette 56/247

Allen MCQ

During oogenesis, first meiotic division starts in :-

A

first polar body

B

second polar body

C

primary oocyte

D

secondary oocyte

Question 57: Palette 57/247

Allen MCQ

Which of the following are haploid cells ?

A

Primary spermatocytes and primary oocytes

B

Secondary spermatocytes and secondary oocytes

C

Spermatogonia and oogonia

D

Germinal cells.

Question 58: Palette 58/247

Allen MCQ

The process of spermatogenesis and oogenesis in human are under the influence of which hormone?

A

Oxytocin

B

FSH

C

ACTH

D

ICSH

Question 59: Palette 59/247

Allen MCQ

During which stage of gametogenesis meiosis occurs?

A

Growth phase

B

Multiplication phase

C

Maturation phase

D

None of the above

Question 60: Palette 60/247

Allen MCQ

The primary egg membrane of human egg is:-

A

chorion

B

corona radiata

C

zona pellucida

D

None of the above

Question 61: Palette 61/247

Allen MCQ

Which of the following are diploid cells ?

A

Secondary spermatocytes

B

Spermatozoa and ova

C

Spermatogonia, oogonia and primary spermatocytes

D

Secondary oocytes

Question 62: Palette 62/247

Allen MCQ

Stored food of oocyte is :-

A

nucleus

B

cytoplasm

C

corticle granules

D

yolk

Question 63: Palette 63/247

Allen MCQ

Polar body is produced during the formation of :-

A

sperm

B

secondary oocyte

C

oogonium

D

spermatocytes

Question 64: Palette 64/247

Allen MCQ

Central stroma of ovary is made up of :-

A

fibrous connective tissue

B

reticular tissue

C

adipose connective tissue

D

None of the above

Question 65: Palette 65/247

Allen MCQ

Ovarian follicles are present in :-

A

medulla

B

germinal epithelium

C

cortex

D

mesovarium

Question 66: Palette 66/247

Allen MCQ

Graafian follicle contains :-

A

many oocytes

B

many sperms

C

a single oocyte

D

site for fertilisation of egg

Question 67: Palette 67/247

Allen MCQ

In human, corpus luteum is found in :-

A

brain

B

ovary

C

liver

D

eyes

Question 68: Palette 68/247

Allen MCQ

Antrum is filled with fluid and is found in :-

A

bone marrow of bone

B

cavity of brain

C

Graffian follicle of ovary

D

pericardium of heart

Question 69: Palette 69/247

Allen MCQ

Which one of the following is fibrous layer of follicle ?

A

Theca externa

B

Zona pellucida

C

Membrana granulosa

D

Vitelline membrane

Question 70: Palette 70/247

Allen MCQ

In case of non fertilization, corpus luteum :-

A

stops secreting progesterone

B

changes into corpus albicans

C

starts producing progesterone

D

None of the above

Question 71: Palette 71/247

Allen MCQ

Lutein cells are found in :-

A

primary follicle

B

corpus albicans

C

corpus luteum

D

All of the above

Question 72: Palette 72/247

Allen MCQ

Corpus luteum is a/an :-

A

excretory structure

B

endocrine structure

C

digestive structure

D

respiratory structure

Question 73: Palette 73/247

Allen MCQ

Luteal phase is the other name of :-

A

follicular phase

B

proliferative phase

C

menstrual flow phase

D

secretory phase

Question 74: Palette 74/247

Allen MCQ

Follicular phase of menstrual cycle is also known as :-

A

proliferative phase

B

secretory phase

C

luteal phase

D

menstruation phase

Question 75: Palette 75/247

Allen MCQ

Loss of reproductive capacity in women after age of approximately 45 years is known as :-

A

menstruation

B

ageing

C

menopause

D

menarche

Question 76: Palette 76/247

Allen MCQ

Which of the following hormones induces the development of corpus luteum?

A

LH

B

Oestrogen

C

FSH

D

LTH

Question 77: Palette 77/247

Allen MCQ

The process of releasing the mature female gamete from the ovary is called as :-

A

ovulation

B

parturition

C

implantation

D

fertilisation

Question 78: Palette 78/247

Allen MCQ

Ovulation hormone is :-

A

FSH

B

ICSH

C

LH

D

testosterone

Question 79: Palette 79/247

Allen MCQ

Onset of pregnancy :-

A

stimulates testosterone secretion

B

inhibits further ovulation

C

leads to degeneration of ovary

D

inhibits fusion nuclei of egg and sperm

Question 80: Palette 80/247

Allen MCQ

Which of the following statements is correct ?

A

Menstrual cycle is present in all mammals.

B

Menstrual cycle is present in all primates.

C

Estrous cycle occurs in all mammals.

D

Most of the mammals are ovoviviparous.

Question 81: Palette 81/247

Allen MCQ

Yellow corpus luteum occurs in a human in :-

A

heart to initiate heart beat

B

skin to function as pain receptor

C

brain and connects cerebral hemispheres

D

ovary for the secretion of progesterone

Question 82: Palette 82/247

Allen MCQ

The fall in progesterone level leads to :-

A

gestation

B

menopause

C

lactation

D

mensturation

Question 83: Palette 83/247

Allen MCQ

In uterus, endometrium proliferates in response to :-

A

relaxin

B

oxytocin

C

progesterone

D

oestrogen

Question 84: Palette 84/247

Allen MCQ

Pregnancy hormone is :-

A

estrogen

B

progesterone

C

LH

D

FSH

Question 85: Palette 85/247

Allen MCQ

Pregnancy is detected with the help of presence of which hormones in urine of a pregnant female ?

A

LH

B

Progesterone

C

FSH

D

hCG

Question 86: Palette 86/247

Allen MCQ

Site of fertilization in human is :-

A

ovary

B

uterus

C

vagina

D

fallopian tube

Question 87: Palette 87/247

Allen MCQ

During fertilization, intermixing of chromosome of male and female gametes is called :-

A

syngamy

B

plasmogamy

C

karyogamy

D

amphimixis

Question 88: Palette 88/247

Allen MCQ

After cortical reaction, formation of fertilization membrane occurs :-

A

outside of corona radiata

B

inside of corona radiata

C

in perivitelline space

D

inside of membrane of oocyte

Question 89: Palette 89/247

Allen MCQ

Which of the following is responsible for division in fertilised egg?

A

Centriole of ovum

B

Proximal centriole of sperm

C

Distal centriole of sperm

D

Mitochondria of sperm

Question 90: Palette 90/247

Allen MCQ

Capacitation of sperm occurs in :-

A

urethra

B

vas deferens

C

vagina

D

seminal vesicle

Question 91: Palette 91/247

Allen MCQ

Which part of sperm enters in egg in human?

A

Complete sperm

B

Only head

C

Head and middle piece

D

Head and acrosome

Question 92: Palette 92/247

Allen MCQ

Cleavage starts in :-

A

fallopian tube

B

uterus

C

vagina

D

None of these

Question 93: Palette 93/247

Allen MCQ

Cells formed as a result of cleavage are called as :-

A

megameres

B

micromeres

C

blastocyst

D

blastomeres

Question 94: Palette 94/247

Allen MCQ

Which of the following characteristics does not belong to cleavage ?

A

Decrease in size of blastomeres

B

Rapid mitotic cell division

C

Interphase of very short duration

D

Differention of blastomeres

Question 95: Palette 95/247

Allen MCQ

How many of the following structures may found in fallopian tube ? Morula, Secondary oocyte, Primary oocyte, Secondary follicle, Ovum, Zygote, Blastocyst, Gastrula.

A

3

B

2

C

4

D

5

Question 96: Palette 96/247

Allen MCQ

What is true for cleavage ?

A

Size of embryo is increased

B

Size of cells is decreased

C

Size of cells is increased

D

Size of embryo is decreased

Question 97: Palette 97/247

Allen MCQ

Solid ball of cell produced by repeated cleavage is called as :-

A

gastrula

B

blastocyst

C

morula

D

None of the above

Question 98: Palette 98/247

Allen MCQ

In gastrula stage, which layer(s) is/are formed ?

A

ectoderm

B

mesoderm

C

endoderm

D

All of the above

Question 99: Palette 99/247

Allen MCQ

Morphogenetic movements of blastomeres result in:-

A

morula stage

B

blastocyst stage

C

gastrula stage

D

zygote

Question 100: Palette 100/247

Allen MCQ

Gastrulation is a process :-

A

which starts the formation of germ layers

B

that occurs just after morulation

C

that occurs just after cleavage

D

of rapid growth in blastomeres

Question 101: Palette 101/247

Allen MCQ

In which stage of development, the embryonic cells form the germinal layers?

A

Morula

B

Blastocyst

C

Gastrula

D

Zygote

Question 102: Palette 102/247

Allen MCQ

Sexually reproducing multicellular animals start their embryonic development from :-

A

gastrula stage

B

morula stage

C

unicellular zygote

D

ovum

Question 103: Palette 103/247

Allen MCQ

Placenta is a region where :-

A

foetus is attached to mother by spermatic cord

B

foetus is provided with mother's blood

C

foetus receives nourishment from mother's blood

D

foetus is covered by membranes

Question 104: Palette 104/247

Allen MCQ

In human embryo, the extra embryonic membranes are formed by :-

A

inner cell mass

B

trophoblast

C

formative cells

D

follicular cells

Question 105: Palette 105/247

Allen MCQ

The expulsion of fully developed foetus from the uterus is known as :-

A

ovulation

B

menstruation

C

gestation

D

parturition

Question 106: Palette 106/247

Allen MCQ

Oxytocin helps in mainly :-

A

milk production

B

child birth

C

urine formation

D

gametogenesis

Question 107: Palette 107/247

Allen MCQ

Which of the following is not true about parturition process ?

A

Secretion of oxytocin hormone by posterior pituitary

B

Narrowing of pelvic cavity by relaxin hormone

C

Secretion of progesterone hormone is stopped

D

General position of foetus is occipitoanterior

Question 108: Palette 108/247

Allen MCQ

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 gland

D

fully developed foetus and placenta

Question 109: Palette 109/247

Allen MCQ

In the female, which structure is homologous to penis of male ?

A

Cervix

B

Vagina

C

Uterus

D

Clitoris

Question 110: Palette 110/247

Allen MCQ

Puberty occurs in females at the age of :-

A

8 - 10 years

B

11-14 years

C

15-17 years

D

18-20 years

Question 111: Palette 111/247

Allen MCQ

Which is not correct about secondary sexual characters of female ?

A

Development of mammary glands

B

Presence of pubic hair

C

Voice of low pitch

D

Menarche

Question 112: Palette 112/247

Allen MCQ

Hyaluronic acid which binds cells of corona radiata is a :-

A

homopolysaccharide

B

amino acid

C

glycoprotein

D

mucopolysaccharide

Question 113: Palette 113/247

Allen MCQ

Identical twins will be produced when :-

A

one spermatozoon fertilises two ova

B

one ovum is fertilised by two spermatozoa

C

two eggs are fertilised

D

one fertilised egg divides into two blastomeres and they become separate

Question 114: Palette 114/247

Allen MCQ

The main function of mammalian corpus luteum is to produce :

A

estrogen only

B

progesterone

C

human chorionic gonadotropin

D

relaxin only

Question 115: Palette 115/247

Allen MCQ

Select the correct option describing gonadotropin activity in a normal pregnant female :-

A

High level of FSH and LH stimulates the thickening of endometrium.

B

High level of FSH and LH facilitate implantation of the embryo.

C

High level of hCG stimulates the synthesis of estrogen and progesterone.

D

High level of hCG stimulates the thickening of endometrium.

Question 116: Palette 116/247

Allen MCQ

Capacitation refers to changes in the :-

A

Ovum before fertilization

B

Ovum after fertilization

C

Sperm after fertilization

D

Sperm before fertilization

Question 117: Palette 117/247

Allen MCQ

Hysterectomy is surgical removal of :-

A

Prostate gland

B

Vas-deferense

C

Mammary glands

D

Uterus

Question 118: Palette 118/247

Allen MCQ

Which of the following cells during gametogenesis is normally dipoid?

A

Spermatid

B

Spermatogonia

C

Secondary polar body

D

Primary polar body

Question 119: Palette 119/247

Allen MCQ

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

Question 120: Palette 120/247

Allen MCQ

Ectopic pregnancies are referred to as :-

A

Pregnancies terminated due to hormonal imbalance

B

Pregnancies with genetic abnormality.

C

Implantation of embryo at site other than uterus.

D

Implantation of defective embryo in the uterus

Question 121: Palette 121/247

Allen MCQ

Which of the following events is not associated with ovulation in human female?

A

LH surge

B

Decrease in estradiol

C

Full development of Graafian follicle

D

Release of secondary oocyte

Question 122: Palette 122/247

Allen MCQ

In human females, meiosis-II is not completed until?

A

birth

B

puberty

C

fertilization

D

uterine implantation

Question 123: Palette 123/247

Allen MCQ

Which of the following layers in an antral follicle is acellular?

A

Zona pellucida

B

Granulosa

C

Theca internal

D

Stroma

Question 124: Palette 124/247

Allen MCQ

Fertilization in humans is practically feasible only if:-

A

the sperms are transported into vagina just after the release of ovum in fallopian tube

B

the ovum and sperms are transported simultaneously to ampullary isthmic junction of the fallopian tube

C

the ovum and sperms are transported simultaneously to ampullary - isthmic junction of the cervix

D

the sperms are transported into cervix within 48 hrs of release of ovum in uterus

Question 125: Palette 125/247

Allen MCQ

Select the incorrect statement :-

A

FSH stimulates the sertoli cells which help in spermiogenesis

B

LH triggers ovulation in ovary

C

LH and FSH decrease gradually during the follicular phase

D

LH triggers secretion of androgens from the Leydig cells

Question 126: Palette 126/247

Allen MCQ

Changes in GnRH pulse frequency in females is controlled by circulating levels of :-

A

estrogen and progesterone

B

estrogen and inhibin

C

progesterone only

D

progesterone and inhibin

Question 127: Palette 127/247

Allen MCQ

Identify the correct statement on 'inhibin' :-

A

Inhibits the secretion of LH, FSH and Prolactin.

B

Is produced by granulose cells in ovary and inhibits the secretion of FSH.

C

Is produced by granulose cells in ovary and inhibits the secretion of LH.

D

Is produced by nurse cells in testes and inhibits the secretion of LH.

Question 128: Palette 128/247

Allen MCQ

Several hormones like hCG, hPL, estrogen, progesterone are produced by :-

A

Fallopian tube

B

Pituitary

C

Ovary

D

Placenta

Question 129: Palette 129/247

Allen MCQ

Which of the following depicts the correct pathway of transport of sperms?

A

Rete testis → Vas deferens → Efferent ductules → Epididymis

B

Efferent ductules → Rete testis → Vas deferens → Epididymis

C

Rete testis → Efferent ductules → Epididymis → Vas deferens

D

Rete testis → Epididymis → Efferent ductules → Vas deferens

Question 130: Palette 130/247

Allen Match the Columns

Match Column-I with Column-II and select the correct option using the codes given below:

Column-I	Column-II
(A) Mons pubis (B) Antrum (C) Trophectoderm (D) Nebenkern	(I) Embryo formation (II) Sperm (III) Female external genitalia (IV) Graafian follicle

A

A—III, B-I, C-IV, D-II

B

A—I, B-IV, C-III, D-II

C

A—III, B-IV, C-II, D-I

D

A-III, B-IV, C-I, D-II

Question 131: Palette 131/247

Allen MCQ

Capacitation occurs in :-

A

Epididymis

B

Vas deferens

C

Female reproductive tract

D

Rete testis

Question 132: Palette 132/247

Allen MCQ

A temporary endocrine gland in the human body is:-

A

Corpus cardiacum

B

Corpus luteum

C

Corpus allatum

D

Pineal gland

Question 133: Palette 133/247

Allen MCQ

GnRH, a hypothalamic hormone, needed in reproduction, acts on:-

A

anterior pituitary gland and stimulates secretion of LH and FSH.

B

posterior pituitary gland and stimulates secretion of oxytocin and FSH.

C

posterior pituitary gland and stimulates secretion of LH and relaxin.

D

anterior pituitary gland and stimulates secretion of LH and oxytocin.

Question 134: Palette 134/247

Allen MCQ

Hormones secreted by the placenta to maintain pregnancy are :

A

hCG, hPL, progestogens, prolactin

B

hCG, hPL, estrogens, relaxin, oxytocin

C

hCG, hPL, progestogens, estrogens

D

hCG, progestogens, estrogens, glucocorticoids

Question 135: Palette 135/247

Allen MCQ

The difference between spermiogenesis and spermiation is :-

A

In spermiogenesis spermatids are formed, while in spermiation spermatozoa are formed.

B

In spermiogenesis spermatozoa are formed, while in spermiation spermatids are formed.

C

In spermiogenesis spermatozoa from Sertoli cells are released into the cavity of seminiferous tubules, while in spermiation spermatozoa are formed.

D

In spermiogenesis spermatozoa are formed, while in spermiation spermatozoa are released from Sertoli cells into the cavity of seminiferous tubules.

Question 136: Palette 136/247

Allen MCQ

The amnion of mammalian embryo is derived from :-

A

ectoderm and mesoderm

B

endoderm and mesoderm

C

mesoderm and trophoblast

D

ectoderm and endoderm

Question 137: Palette 137/247

Allen MCQ

Select the correct sequence of transport of sperm cells in male reproductive system :-

A

Testis → Epididymis → Vasa efferentia →Rete testis→Inguinal canal → Urethra

B

Seminiferous tubules → Rete testis → Vasa efferentia → Epididymis → Vas deferens → Ejaculatory duct → Urethra → Urethral meatus

C

Seminiferous tubules → Vasa efferentia →Epididymis→Inguinal canal → Urethra

D

Testis → Epididymis → Vasa efferentia → Vas deferens → Ejaculatory duct → Inguinal canal→Urethra→Urethral meatus

Question 138: Palette 138/247

Allen MCQ

Extrusion of second polar body from egg nucleus occurs :

A

after entry of sperm but before fertilization

B

after fertilization

C

before entry of sperm into ovum

D

simultaneously with first cleavage

Question 139: Palette 139/247

Allen MCQ

No new follicles develop in the luteal phase of the menstrual cycle because :

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

Question 140: Palette 140/247

Allen MCQ

Which of the following hormone levels will cause release of ovum (ovulation) from the Graafian follicle?

A

Low concentration of FSH

B

High concentration of Estrogen

C

High concentration of Progesterone

D

Low concentration of LH

Question 141: Palette 141/247

Allen Match the Columns

Match the following columns and select the correct option :- Match Column-I with

Column-I	Column-II
(A) Placenta (B) Zona pellucida (C) Bulbo-urethral (D) Leydig cells	(I) Androgens (II) Human Chorionic Gonadotropin (hCG) (III) Layer of the ovum glands (IV) Lubrication of the Penis

A

(A)−(II), (B)−(III), (C)−(IV), (D)−(I)

B

(A)−(IV), (B)−(III), (C)−(I), (D)−(II)

C

(A)−(I), (B)−(IV), (C)−(II), (D)−(III)

D

(A)−(III), (B)−(II), (C)−(IV), (D)−(I)

Question 142: Palette 142/247

Allen MCQ

Meiotic division of the secondary oocyte is completed :-

A

At the time of fusion of a sperm with an ovum

B

Prior to ovulation

C

At the time of copulation

D

After zygote formation

Question 143: Palette 143/247

Allen MCQ

Receptors for sperm binding in mammals are present on:-

A

Corona radiata

B

Vitelline membrane

C

Perivitelline space

D

Zona pellucida

Question 144: Palette 144/247

Allen MCQ

Which of these is not an important component of initiation of parturition in humans?

A

Increase in estrogen and progesterone ratio

B

Synthesis of prostaglandins

C

Release of Oxytocin

D

Release of Prolactin

Question 145: Palette 145/247

Allen MCQ

Which of the following secretes the hormone, relaxin, during the later phase of pregnancy?

A

Graafian follicle

B

Corpus luteum

C

Foetus

D

Uterus

Question 146: Palette 146/247

Allen MCQ

Given below are two statements: Statement I: The release of sperms into the seminiferous tubules is called spermiation. Statement II: Spermiogenesis is the process of formation of sperms from spermatogonia. In the light of the above statements, choose the most appropriate answer from the options given below:

A

Both Statement I and Statement II are incorrect

B

Statement I is correct but Statement Il is incorrect

C

Statement I is incorrect but Statement II is correct

D

Both Statement I and Statement II are correct

Question 147: Palette 147/247

Allen MCQ

Which of the following statements are true for spermatogenesis but do not hold true for Oogenesis?
(a) It results in the formation of haploid gametes
(b) Differentiation of gamete occurs after the completion of meiosis
(c) Meiosis occurs continuously in a mitotically dividing stem cell population
(d) It is controlled by the Luteinising hormone (LH) and Follicle Stimulating Hormone (FSH) secreted by the anterior pituitary
(e) It is initiated at puberty
Choose the most appropriate answer from the options given below:

A

(b) and (c) only

B

(b), (d) and (e) only

C

(b), (c) and (e) only

D

(c), and (e) only

Question 148: Palette 148/247

Allen MCQ

Arrange the components of mammary gland. (from proximal to distal)
(a) Mammary duct
(b) Lactiferous duct
(c) Alveoli
(d) Mammary ampulla
(e) Mammary tubules
Choose the most appropriate answer from the options given below :

A

(c) $\rightarrow$ (a) $\rightarrow$ (d) $\rightarrow$ (e) $\rightarrow$ (b)

B

(b) $\rightarrow$ (c) $\rightarrow$ (e) $\rightarrow$ (d) $\rightarrow$ (a)

C

(c) $\rightarrow$ (e) $\rightarrow$ (a) $\rightarrow$ (d) $\rightarrow$ (b)

D

(e) $\rightarrow$ (c) $\rightarrow$ (d) $\rightarrow$ (b) $\rightarrow$ (a)

Question 149: Palette 149/247

Allen MCQ

How many secondary spermatocytes are required to form 400 million spermatozoa ?

A

50 million

B

100 million

C

200 million

D

400 million

Question 150: Palette 150/247

Allen MCQ

Given below are two statements :
One is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : During pregnancy the level of thyroxine is increased in the maternal blood.
Reason (R) : Pregnancy is characterised by metabolic changes in the mother.
In the light of the above statements,
choose the most appropriate answer from the options given below :

A

Both (A) and (R) are correct and (R) is the correct explanation of (A)

B

Both (A) and (R) are correct but (R) is not the correct explanation of (A)

C

(A) is correct but (R) is not correct

D

(A) is not correct but (R) is correct

Question 151: Palette 151/247

Allen MCQ

Which of the following statements are correct regarding female reproductive cycle? A. In non-primate mammals cyclical changes during reproduction are called oestrus cycle. B. First menstrual cycle begins at puberty and is called menopause. C. Lack of menstruation may be indicative of pregnancy. D. Cyclic menstruation extends between menarche and menopause. Choose the most appropriate answer from the options given below :

A

A and B only

B

A, B and C only

C

A, C and D only

D

A and D only

Question 152: Palette 152/247

Allen MCQ

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Endometrium is necessary for implantation of blastocyst. Reason R : In the absence of fertilization, the corpus luteum degenerates that causes disintegration of endometrium. In the light of the above statements, choose the correct answer from the options given below :

A

Both A and R are true but R is NOT the correct explanation of A.

B

A is true but R is false.

C

A is false but R is true.

D

Both A and R are true and R is the correct explanation of A.

Question 153: Palette 153/247

Allen MCQ

Given below are two statements : Statement I : Vas deferens receives a duct from seminal vesicle and opens into urethra as the ejaculatory duct. Statement II : The cavity of the cervix is called cervical canal which along with vagina forms birth canal. In the light of the above statements, choose the correct answer from the options given below :

A

Both Statement I and Statement II are false.

B

Statement I is correct but Statement Il is false.

C

Statement I incorrect but Statement II is true.

D

Both Statement I and Statement II are true.

Question 154: Palette 154/247

Allen MCQ

Arrange the sequence of different hormones for their role during gametogenesis. (A) Gonadotropin LH stimulates synthesis and secretion of Androgen (B) Gonadotropin releasing hormone from hypothalamus (C) Androgen stimulates spermatogenesis (D) Gonadotropin FSH helps in the process of spermiogenesis (E) Gonadotropins from anterior pituitary gland. Choose the correct answer from the
options given below :

A

(E), (A), (D), (B), (C)

B

(C), (A), (D), (E), (B)

C

(B), (E), (A), (C), (D)

D

(D), (B), (A), (C), (E)

Question 155: Palette 155/247

Allen MCQ

Given below are two statements regarding oogenesis: Statement I : The primary follicles get surrounded by more layers of granulosa cells, a theca and shows fluid filled cavity antrum. Now it is called secondary follicle. Statement II : Graffian follicle ruptures to release the secondary oocyte from the ovary by the process called ovulation. In the light of the above statements, choose the correct answer from the options given below:

A

Statement I is correct but Statement II is false.

B

Statement I is incorrect but Statement II is true

C

Both Statement I and Statement II are true

D

Both Statement I and Statement II are false.

Question 156: Palette 156/247

Allen MCQ

Which of the following is not a component of Fallopian tube?

A

Uterine fundus

B

Isthmus

C

Infundibulum

D

Ampulla

Question 157: Palette 157/247

Allen MCQ

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R: Assertion A : Breast-feeding during initial period of infant growth is recommended by doctors for bringing a healthy baby. Reason R : Colostrum contains several antibodies absolutely essential to develop resistance for the new born baby. In the light of the above statements, choose the most appropriate answer from the options given below:

A

Both A and R are correct and R is the correct explanation of A.

B

Both A and R are correct but R is NOT the correct explanation of A.

C

A is correct but R is not correct.

D

A is not correct but R is correct.

Question 158: Palette 158/247

Allen MCQ

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: FSH acts upon ovarian follicles in female and Leydig cells in male. Reason R: Growing ovarian follicles secrete estrogen in female while interstitial cells secrete androgen in male human being. In the light of the above statements, choose the correct answer from the options given below :

A

Both A and R are true and R is the correct explanation of A.

B

Both A and R are true but R is NOT the correct explanation of A.

C

A is true but R is false.

D

A is false but R is true.

Question 159: Palette 159/247

Allen MCQ

Given below are two statement : Statement I : The presence or absence of hymen is not a reliable indicator of virginity. Statement II: The hymen is torn during the first coitus only. In the light of the above statements, choose the correct answer from the options given below :

A

Both Statement I and Statement II are true

B

Both Statement I and Statement II are false.

C

Statement I is true but Statement II is false.

D

Statement I is false but Statement II is true.

Question 160: Palette 160/247

Allen MCQ

Identify the correct option (A), (B), (C), (D) with respect to spermatogenesis.

A

FSH, Leydig cells, Sertoli cells, spermiogenesis

B

ICSH, Interstitial cells, Leydig cells, spermiogenesis.

C

FSH, Sertoli cells, Leydig cells, spermatogenesis.

D

ICSH, Leydig cells, Sertoli cells, spermatogenesis.

Question 161: Palette 161/247

Allen MCQ

Given below are two statements : One is labelled as Assertion A and the other is labelled as Reason R. Assertion : During menstrual cycle, the ovulation takes place approximately on 14th day. Reason : Rapid secretion of LH in the middle of menstrual cycle induces rupture of Graafian follicle and thereby the release of ovum. In the light of the above statements, choose the most appropriate answer form the options given below.

A

A is correct but R is not correct.

B

A is not correct but R is correct.

C

Both A and R are correct and R is the correct explanation of A.

D

Both A and R are correct and R is NOT the correct explanation of A.

Question 162: Palette 162/247

Allen MCQ

Arrange the following parts in human Mammary gland, traversing the route of milk ejection. A. Mammary duct B. Lactiferous duct C. Mammary alveolus D. Ampulla E. Mammary tubule Choose the correct answer form the options given below :

A

D → C → E → A → B

B

C → E → B → A → D

C

C → E → A → D → B

D

A→ C→ E→ D → B

Question 163: Palette 163/247

Allen Match the Columns

Match Column-I (Structure) with Column-II (Features) relating to human female external genitalia : Choose the correct answer from the options given below :

Column-I	Column-II
(A) Mons pubis (B) Clitoris (C) Hymen (D) Labia majora	(I) A fleshy fold of tissue surrounding the vaginal opening (II) Fatty cushion of cells covered by skin and hair (III) Tiny finger-like structure above labia minora (IV) A thin membrane-like structure covering vaginal opening covering vaginal opening

A

A-II, B-III, C-IV, D-I

B

A-IV, B-III, C-II, D-I

C

A-I, B-IV, C-III, D-II

D

A-II, B-III, C-I, D-IV

Question 164: Palette 164/247

Allen Match the Columns

Match Column-I with Column-II. Choose the correct answer from the options given below :

Column-I	Column-II
(A) Parturition (B) Placenta (C) Colostrum (D) Fimbriae	(I) Several antibodies for new-born babies (II) Collection of ovum after ovulation (III) Foetal ejection reflex (IV) Secretion of the hormone hCG

A

A-III, B-IV, C-I, D-II

B

A-I, B-IV, C-II, D-III

C

A-II, B-III, C-IV, D-I

D

A-III, B-IV, C-II, D-I

Question 165: Palette 165/247

Allen MCQ

How many testicular lobules are present in each testis ?

A

About 100

B

About 150

C

About 250

D

Infinite

Question 166: Palette 166/247

Allen MCQ

The male accessory glands include :-

A

prostate gland

B

bulbourethral glands

C

seminal vesicles

D

All of the above

Question 167: Palette 167/247

Allen MCQ

In male, penis is covered by a loose fold of skin called as :-

A

foreskin

B

urethral meatus

C

external genitalia

D

fimbriae

Question 168: Palette 168/247

Allen MCQ

The function of fimbriae is :-

A

to collect ovum after ovulation

B

to maintain the shape of ovary

C

to provide the path to sperm during fertilization

D

None of the above

Question 169: Palette 169/247

Allen MCQ

Which of the following statements is wrong ?

A

Mammary lobes contain clusters called as alveoli.

B

Uterus is also called as womb.

C

The last part of the oviduct is called as ampulla.

D

Stroma of ovary is divided into two zones.

Question 170: Palette 170/247

Allen MCQ

Secretion of which of the following hormones induces spermatogenesis ?

A

GnRH

B

LTH

C

Oxytocin

D

Relaxin

Question 171: Palette 171/247

Allen MCQ

Antrum is :-

A

follicular cavity filled with fluid

B

an inner theca layer

C

the mature follicle

D

follicular cavity with no fluid

Question 172: Palette 172/247

Allen MCQ

Ovulation is :-

A

Release of secondary oocyte from ovary

B

Release of primary oocyte from ovary

C

Release of polar body

D

Release of Graafian follicle

Question 173: Palette 173/247

Allen MCQ

For normal fertility, how much percentage of total sperms must have normal shape and size?

A

50 %

B

25 %

C

40 %

D

60 %

Question 174: Palette 174/247

Allen MCQ

When do both LH & FSH attain a peak level in a menstrual cycle ?

A

In last week of the cycle

B

In mid of the cycle

C

During Initial days of cycle

D

On 4th day of cycle

Question 175: Palette 175/247

Allen MCQ

Which of the following statements is not correct ?

A

In the absence of fertilization, the corpus luteum is degenerated.

B

During pregnancy, all events of menstrual cycle are stopped.

C

The secretion of LH and FSH decreases gradually during the follicular phase.

D

The menstrual flow results due to breakdown of endometrial lining.

Question 176: Palette 176/247

Allen MCQ

In which phase of menstrual cycle Graafian follicle is transformed into corpus luteum ?

A

Luteal phase

B

Proliferative phase

C

Follicular phase

D

Growth phase

Question 177: Palette 177/247

Allen MCQ

Which of the hormones is essential for maintenance of the endometrium ?

A

FSH

B

LH

C

Progesterone

D

Testosterone

Question 178: Palette 178/247

Allen MCQ

Which of the following is an indicator of normal reproductive phase and extends between menarche and menopause?

A

Menstrual cycle

B

Estrous cycle

C

Ovulation

D

Implantation

Question 179: Palette 179/247

Allen MCQ

In human, fertilization takes place in :-

A

cervix

B

ampulla

C

isthmus

D

vagina

Question 180: Palette 180/247

Allen MCQ

The embryo with 8 to 16 blastomeres is called as :-

A

morula

B

blastocyst

C

gastrula

D

foetus

Question 181: Palette 181/247

Allen MCQ

During Implantation, the blastocyst gets embedded in which layer of the uterus?

A

Trophoblast

B

Endometrium

C

Myometrium

D

Perimetrium

Question 182: Palette 182/247

Allen MCQ

The mitotic division starts as the zygote moves through the of the oviduct called cleavage towards the uterus.

A

ampulla

B

isthmus

C

fimbriae

D

infundibulum

Question 183: Palette 183/247

Allen MCQ

During fertilization, a sperm comes in contact with which layer of the ovum?

A

Jelly coat

B

Zona pellucida

C

Vitelline membrane

D

Perivitelline space

Question 184: Palette 184/247

Allen MCQ

Function of placenta is to :-

A

supply O₂ to embryo

B

removal CO₂ produced by the embryo

C

produce several hormones

D

All of the above

Question 185: Palette 185/247

Allen MCQ

Stem cells are found in :-

A

inner cell mass

B

ectoderm

C

endoderm

D

mesoderm

Question 186: Palette 186/247

Allen MCQ

The first sign of growing foetus may be noticed by :-

A

listening to the heart sound carefully with the help of stethoscope

B

appearance of hair

C

appearance of head

D

appearance of eye lids

Question 187: Palette 187/247

Allen MCQ

Placenta contains :-

A

only chorionic villi

B

only uterine tissue

C

chorionic villi and uterine tissue

D

trophoblast and chorionic villi

Question 188: Palette 188/247

Allen MCQ

The average duration of human pregnancy is about nine months which is known as :-

A

gestation period

B

parturition

C

lactation

D

implantation

Question 189: Palette 189/247

Allen MCQ

The signals for parturition originate from :-

A

fully developed foetus

B

placenta

C

both fully developed foetus and placenta

D

uterus

Question 190: Palette 190/247

Allen MCQ

Which hormone acts on uterine myometrium during parturition ?

A

Oxytocin

B

LH

C

Estrogen

D

Relaxin

Question 191: Palette 191/247

Allen MCQ

Which gland of female human undergoes differentiation during pregnancy?

A

Adrenal gland

B

Mammary gland

C

Pituitary gland

D

Thymus gland

Question 192: Palette 192/247

Allen MCQ

Which of the following is correct for colostrum ?

A

It contains severel antibodies.

B

It is produced during the last few days of lactation.

C

It is a pheromone.

D

It is white in colour.

Question 193: Palette 193/247

Allen MCQ

Human beings are :-

A

ovoviviparous

B

oviparous

C

parthenogenetic

D

viviparous

Question 194: Palette 194/247

Allen MCQ

What does happen if vasa deferentia are cut in a man ?

A

Sperms become non nucleated.

B

Spermatogenesis does not occur.

C

Semen is ejaculated without sperms.

D

Sperms have no motality.

Question 195: Palette 195/247

Allen MCQ

If epididymis is removed, then what does happen in a man ?

A

Sperms have shorter life span.

B

Sperms travel the pathway in lesser time.

C

Functional maturation of sperms takes lesser time.

D

Sperms are incapable for fertilization.

Question 196: Palette 196/247

Allen MCQ

Which of the following is not correct about sustentacular cells ?

A

These are present in between the germinal epithelial cells.

B

These are related with the nutrition of sperm.

C

These form blood testis barrier.

D

These form testosterone from oestrogen.

Question 197: Palette 197/247

Allen MCQ

After some time of ejaculation, semen liquefies due to presence of an enzyme which is found in the secretion of :-

A

vagina

B

seminal vesicle

C

prostate gland

D

Cowper's gland

Question 198: Palette 198/247

Allen MCQ

If Cowper's gland is removed, then which of the following would be affected ?

A

Sexual attraction

B

Capacitation of sperms

C

Hardness of penis

D

Copulation and fertilization

Question 199: Palette 199/247

Allen MCQ

Which of the following releases inhibin to control spermatogenesis ?

A

Rete testis

B

Follicular cells

C

Leydig's cells

D

Sustentacular cells

Question 200: Palette 200/247

Allen MCQ

Correct order of spermatogenesis is :-

A

Spermatocytes, Spermatogonium, Spermatids, Sperms

B

Spermatogonium, Spermatids, Spermatocytes, Sperms

C

Spermatids, Spermatogonium, Spermatocytes, Sperms

D

Spermatogonium, Primary Spermatocytes, Secondary Spermatocytes, Spermatids, Sperms

Question 201: Palette 201/247

Allen MCQ

Given below are two statements: Statement-I : The edge of the infundibulum posses finger like projections called fimbriae, which helps in collection of ovum after ovulation. Statement-II : Uterus is supported by tendons attached to the pelvic wall. In the light of the above statements, choose the most appropriate answer from the options given below:

A

Both Statement-I and II both are incorrect.

B

Statement-I is correct but statement-Il is incorrect.

C

Statement-I is incorrect and Statement-Il is correct.

D

Both Statement-I and Statement-II are correct.

Question 202: Palette 202/247

Allen MCQ

How many secondary spermatocytes form 400 spermatozoa ?

A

100

B

400

C

40

D

200

Question 203: Palette 203/247

Allen Match the Columns

Match the Column-I with Column-II.

Column-I	Column-II
(A) Mons pubis (B) Labia majora (C) Labia minora (D) Clitoris	(I) Fleshy folds of tissue (II) Paired folds of tissue (III) Finger-like structure (IV) Cushion of fatty tissue

A

A-IV, B-I, C-II, D-III

B

A-II, B-IV, C-I, D-III

C

A-IV, B-II, C-I, D-III

D

A-III, B-IV, C-II, D-I

Question 204: Palette 204/247

Allen MCQ

At which stage of spermatogenesis, sperms acquire their whole structural maturity and now these contain a haploid nucleus & other organelles ?

A

Spermiogenesis

B

Growth phase

C

Multiplication phase

D

Maturation phase

Question 205: Palette 205/247

Allen MCQ

How many sperms and ova are formed respectively from 50 secondary oocytes and 50 secondary spermatocytes in human ?

A

50 ova and 200 sperm

B

50 ova and 100 sperm

C

100 ova and 200 sperm

D

100 ova and 400 sperm

Question 206: Palette 206/247

Allen MCQ

Human egg has :-

A

one Y-chromosome

B

one X-chromosome

C

two Y-chromosome

D

one X-chromosome and one Y-chromosome.

Question 207: Palette 207/247

Allen MCQ

Given below are two statements: Statement-I : LH act on leydig cells and stimulates synthesis and secretion of androgens. Statement-II : FSH acts on the sertoli cells and stimulates secretion of some factors which help in the process of spermiogenesis In the light of the above statements, choose the most appropriate answer from the options given below:

A

Both Statement-I and II both are incorrect.

B

Statement-I is correct but statement-Il is incorrect.

C

Statement-I is incorrect and Statement-Il is correct.

D

Both Statement-I and Statement-II are correct.

Question 208: Palette 208/247

Allen MCQ

Oocyte is liberated from ovary under the influence of LH, after completing :

A

meiosis and before liberating polar bodies

B

meiosis I and before liberating second polar body

C

meiosis

D

meiosis II after release of first polar body

Question 209: Palette 209/247

Allen MCQ

Extrusion of second polar body from egg nucleus occurs :-

A

after entry of sperm but before completion of fertilization

B

after completion of fertilization

C

before entry of sperm

D

without any relation to sperm entry.

Question 210: Palette 210/247

Allen MCQ

If both ovaries are removed from human then level of which hormone is decreased in blood?

A

Oxytocin

B

Prolactin

C

Estrogen

D

Gonadotrophic releasing factor

Question 211: Palette 211/247

Allen MCQ

In a 30 years old lady, eggs are released in the form of :-

A

oogonia

B

primary oocyte

C

secondary oocyte

D

atretic follicle

Question 212: Palette 212/247

Allen MCQ

Phases in a menstrual cycle are :-

A

Recovery phase and proliferative phase

B

Proliferative phase and secretory phase

C

Proliferative phase, secretory phase and menstrual phase

D

Recovery phase, secretory phase and menstrual phase

Question 213: Palette 213/247

Allen MCQ

After ovulation, follicles are converted into:-

A

corpus luteum

B

corpus albicans

C

corpus cavernosa

D

corpus callosum

Question 214: Palette 214/247

Allen MCQ

In following structure, identify A & B and their respective functions.

A

1

B

2

C

3

D

4

Question 215: Palette 215/247

Allen MCQ

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

Question 216: Palette 216/247

Allen MCQ

In a menstrual cycle, hormones start increasing in which order from the beginning of menstruation ?

A

FSH, progesterone, estrogen

B

Estrogen, FSH, progesterone

C

FSH, estrogen, progesterone

D

Esterogen, progesterone, FSH

Question 217: Palette 217/247

Allen MCQ

At the time of ovulation, the human egg is covered by a membrane called as :-

A

chorion

B

zona pellucida

C

corona radiata

D

Both (2) & (3)

Question 218: Palette 218/247

Allen MCQ

How many cleavage divisions are required for the formation of 16 blastomeres ?

A

2

B

4

C

6

D

8

Question 219: Palette 219/247

Allen MCQ

The blastomeres in the blastocyst are arranged into an outer layer called A , and inner group of cells attached to trophoblast called the B____. What are 'A' and 'B' respectively?

A

trophoblast, inner cell mass

B

inner cell mass, trophoblast

C

chorion, amnion

D

amnion, chorion

Question 220: Palette 220/247

Allen MCQ

What is true about cleavage ?

A

Nucleocytoplasmic ratio remains unchanged.

B

Size of an embryo does not increase.

C

There is less consumption of oxygen.

D

The division is similar to meiosis.

Question 221: Palette 221/247

Allen MCQ

What is true about cleavage in a fertilized egg of human?

A

Cleavage require low O₂.

B

It starts when egg reaches in uterus.

C

It starts in fallopian tube.

D

It is identical to normal mitosis.

Question 222: Palette 222/247

Allen MCQ

Which type of cell division occurs during cleavage?

A

Amitosis

B

Mitosis

C

Closed mitosis

D

Meiosis

Question 223: Palette 223/247

Allen MCQ

Fertilisation has following processes :-
(a) Plasmogamy (b) Karyogamy (c) Syngamy (d) Amphimixis Arrange these in correct sequence.

A

a → b → c → d

B

b → a → d → c

C

c → a → b → d

D

c → a → d → b

Question 224: Palette 224/247

Allen MCQ

Correct sequence of embryonic 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

Question 225: Palette 225/247

Allen MCQ

The lytic enzyme present in semen is :-

A

ligase

B

estrogenase

C

androgenase

D

hyaluronidase

Question 226: Palette 226/247

Allen MCQ

Given below are two statements: Statement-I : hCG, hPL and relaxin are produced in women only during pregnancy. Statement-II : By end of about 12 weeks, the body of foetus is covered with hairs, eye-lids separate, and eye lashes are formed. In the light of the above statements, choose the most appropriate answer from the options given below:

A

Both Statement-I and II both are incorrect.

B

Statement-I is correct but statement-Il is incorrect.

C

Statement-I is incorrect and Statement-Il is correct.

D

Both Statement-I and Statement-II are correct.

Question 227: Palette 227/247

Allen MCQ

Which one of following parts is present in male but not in female ?

A

Urethra

B

Fallopian tube

C

Vagina

D

Vas deferens

Question 228: Palette 228/247

Allen MCQ

Which hormone is not involved in the process of parturition ?

A

Oxytocin

B

Prolactin

C

Estrogen

D

Cortisol

Question 229: Palette 229/247

Allen MCQ

Accessory sexual characters in female is promoted by :-

A

androgen

B

progesterone

C

estrogen

D

testosterone

Question 230: Palette 230/247

Allen MCQ

The cellular layer that disintegrates and regenerates again and again in human is :-

A

endometrium of uterus

B

cornea of eye

C

dermis of skin

D

endothelium of blood vessels

Question 231: Palette 231/247

Allen MCQ

The functional maturation of sperms takes place in :-

A

oviduct

B

epididymis

C

vagina

D

All of these

Question 232: Palette 232/247

Allen MCQ

In human, the estrogen is secreted by the Graafian follicle from its :-

A

external theca

B

internal theca

C

zona pellucida

D

corona radiata

Question 233: Palette 233/247

Allen MCQ

Supporting cells found in the germinal epithelium of testis are called as:-

A

Interstitial cells of Leydig

B

Sertoli cells

C

granular cells

D

phagocytes

Question 234: Palette 234/247

Allen MCQ

Atretic follicles are found in the :-

A

fallopian tube

B

uterus

C

labia majora

D

ovary

Question 235: Palette 235/247

Allen MCQ

Which of the following hormones are produced in women only during pregnancy ?
(a) hPL
(b) Relaxin
(c) Androgen
(d) FSH
(e) hCG
(f) LH

A

a,b,e

B

b & e

C

c,d,e,f

D

a,b,c,d,e,f

Question 236: Palette 236/247

Allen MCQ

Which of the following cells undergoes spermiogenesis ?

A

Spematids

B

Spermatogonia

C

Primary spermatocytes

D

Secondary spermatocytes

Question 237: Palette 237/247

Allen MCQ

Various changes in human sperm which prepare it to fertilise the ovum are called collectively as :-

A

capacitation

B

regeneration

C

growth

D

None of these

Question 238: Palette 238/247

Allen MCQ

During oogenesis, the small structure separated from egg is known as :-

A

polar body

B

secondary endosperm

C

Herring body

D

Hela cell

Question 239: Palette 239/247

Allen MCQ

In human foetus, the heart begins to beat at developmental age of :-

A

4 weeks

B

3 weeks

C

6 weeks

D

8 weeks

Question 240: Palette 240/247

Allen MCQ

Polar bodies are produced during the formation of :-

A

sperms

B

oogonia

C

spermatocytes

D

secondary oocytes

Question 241: Palette 241/247

Allen MCQ

Which of the following does not occur during natural menopause in a female ?

A

Progesterone level in blood is decreased.

B

FSH and LH levels in blood are decreased.

C

Estrogen level in blood is decreased.

D

Uterine changes are stopped.

Question 242: Palette 242/247

Allen MCQ

In a sperm, the mitochondria are occured :-

A

in tail

B

in acrosome

C

in middle piece

D

in head

Question 243: Palette 243/247

Allen MCQ

Which of the following sets of enzymes is found in the acrosome of human sperm ?

A

Hyaluronidase, Collagenase

B

Hyaluronidase, Zona lysin

C

Hyaluronidase, Peptidase

D

Only hyaluronidase

Question 244: Palette 244/247

Allen MCQ

Fixing up of the blastocyst in the wall of the uterus is known as :-

A

fertilization

B

implantation

C

impreganation

D

placentation

Question 245: Palette 245/247

Allen MCQ

Placenta in human beings is formed by :-

A

amnion

B

chorion

C

allantois

D

chorion and uterine wall

Question 246: Palette 246/247

Allen MCQ

The phenomenon of nuclear fusion of sperm and egg is known as :-

A

karyogamy

B

parthenogenesis

C

vitellogenesis

D

oogenesis

Question 247: Palette 247/247

Allen MCQ

Sertoli cells are involved in :-

A

respiration

B

nutrition of sperms

C

excretion

D

development of sex organs