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Oogenesis
StructureofSpermandEgg
EarlydevelopmentinFrogCleavage,
as u a,
as ru a,
er va veso
erm
layers
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Human reproduction
,
Placenta, Role of Gonadotropins and sex
, .
-
Infertil ity Control: Meaning,
,
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1.Primary Oocyte is
a)a) Haploid (n)
c)c) Polyploid
d) None of the above
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2.Secondary
Oocyte is
a) Haploid (n)b) Diploid (2n)
c Pol loid
d) None of the above
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3.Centriolesofspermcontrol
a) Movement of tail
ap o num er o c romosomes
c) Help in fertil izationd) None of the above.
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4.The Fertilization membrane is
a) It checks the entry of more sperms
b) it checks the entry of antigens inovum
c it re resents the left out tail of the
sperm
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of the sperm
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5.Meiosis
I
occurs
in
a) Primary spermatocytes
c) Both a and b
d) Spermatogonia
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6.Meiosis
II
occurs
in
a) Secondary oocyte
b Primar ooc tec) Spermatogonia
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7.Axial filament of sperm is formed
by
a) Distal centriole
rox ma cen r o e
c Mitochondria
d) DNA
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8.Polar bodies are formed duringa oogenes s
b S ermato enesis
c) Both a and b
one
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9.Spermiogenesis refers to
a) Growth phase of sprematogenesis
b Phase of multi lictionc) Metamorphosis of spermatids into
d) All the above
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10.Acrosome is made up of
a) Golgi bodiesb) Mitochondria
c Centrioles
d) Ribosomes
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11.In spermatogenesis the phase
of maturation involves
b) the growth of spermatogoniac) formation oogonia
spermatocytes through meiosis
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12.Synthesis of testosterone by
Leydig cells is stimulated by
a) ICSHb) FSH
d) LH
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.in testis, also secrete which
hormonea e ax n
b Inhibinc) Gonadotropin
d) Testosterone
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14.a erm cell in a female onad and
a germ cell in male gonad begin,
what will be the ratio of ova andsperms produced?
a)1 : 1b) 1 : 2
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d) 2 : 1
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15.Which of the following groups of
cells in the male gonad representsha loid Cells?
a) Spermatogonial cellsb) Germinal epithelial cells
d) Primary spermatocyte
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16.Which of the following is wrong
about Oogenesis
b) Unequal meiotic divisionsc) Growth phase
p e
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.
gametogenesis
a) Formation of ova
c) Release of ova
d) Spermiation
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18.Greycrescentisanarea
a) At the point of entry of the sperm
b) Just opposite to the site of entry ofsperm into ovum
d) At the vegetal pole
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19.Gre crescentis resentin
a ra n o rog
c) Unfertilized egg
d) All the above
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20.A cell formed from
cleavage are calleda as omeres
c) Blastula
d) Morula
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21.The mor ho enetic movements
of gastrulation includesa nvag nat on
c) Involution
d) All the above
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22.Cleava e in the fertilized
egg of humansa ar s n u erus
b In meroblasticc) Starts when egg is in fallopian
tu ed Is discoidal
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23.If the size of a fertilized egg of Frog is compare
with size of its blastula & astrula sta es which of t
following observation is correct? ,
gastrula will be largerb) Gastrula will be larger, while zygote and
blastula will be of same size
c) There is progressive increase in size from
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d) All three will be of same size
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24.During cleavage
nucleocytoplasmic ratio is
b) Decreasedc) Increases
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25.Which of the following are
true about I- cleavage isa) o o ast c, unequa
,c) Holoblastic, equal and longitudinal
one
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26. III cleavage is
a) Latitudinal, unequal,
b) Longitudinal, Unequal
d) All the above
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27.Which of the following are true
about II cleavage is
a) Meridional, Holoblastic & equal
a u na , unequa
c) Both a & b
d) None
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28.Noncellular layer in human egg
a) Theca interna
em rana granu ose
c) Corona radiate
d) Zona pellucida
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.
a) Cleavage stage
b) Morula
d) Gastrulation
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30.Gastrulation in Frog forms a
a) Blastocoelb) Archenteron
d) Pseudocoel
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31.Archenteron of Frog gastrula-
a) Neurocoelb) Blatocoel
c Endoderm
d) Lumen of digestive tract
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because
a) In cleavage there is no growth
increases
-d) All the above
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33.How man cleava es are
required in Frog to form 32 celled
a) 4b) 5
c 6
d) 3
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34.Gastrulation involves the
differentiation of-a) Ectoderm and Endoderm
b Ectoderm Endoderm and Mesodermc) Ectoderm and Mesoderm
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35.The correct sequence in
development of Frog is-a) Fertilization , cleavage, gastrula, morula, andblastula
b) cleavage, zygote, blastula, morula, andgastrula
c) Fertilization, zygote, cleavage, morula,
blastula and gastrulad) Zygote, morula, gastrula, blastula and
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36.Cells become variable in
morphology and functions in different.
is a) Differentiationb) Metamorphosisc Or anization
d) Rearrangement
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37.Ectoderm gives raise to
b) Endocrine glands
c) Digestive system
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.
a c o erm
b) Endodermc) Mesoderm
d All the above
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.
endoderm?a ervous sys em, ur nary a er,
and eyeb) Liver, connective tissue, and heart
c Th mus S inal cord and Brain
d) Liver, Pancreas and Thymus
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40.Skeletonand
muscles
a) Ectodermb) Endoderm
c Mesoderm
d) None
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41.Egg are generally large in size
due to presence of
a) Yolk
e
c) Vitelline membrane
d) plasma membrane
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42.Time of period of fertilization
to birth is called
b) laborc) Both
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43.After ovulation Graafian
follicle becomes
a) Corpus luteum
ges e
c) Develops egg
d) All the above
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b) Oviduct
d) Vagina
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45.E is liberated from ovar in
a) Secondary oocyte stage
c) Oogonial stage
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cavity of
a Blastulab) Graafian follicle
c vary
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47.In hi her animal blasto ore
generally form
a) Anus
c) Liver
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48.Which art of s erm la s
important role in penetrating
a Allosomeb) Acrosme
d) Head
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.
b) Spermc) a + b
e
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.
by
b) Sperm
c) a + b
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gamete and female gamete
a) Physicalb) Chemical
c Thermal
d) All the above
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52. Sperms of an animal A cannot fertilize
a Antifertilizin of A and B are not
compatible
B are not compatible
compatible
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.
b) Secretary cells
c) Respiratory cells
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54.Capacitation is
a) Early cleavage for determining
b) Developing, ability of sperm to
penetrate egg
c Develo in abilit of e to receive
sperm
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in sperm isa o con ro e movemen o sperm
b To Provide ener for movement ofsperm
c o prov e energy to nuc eusd None of the above.
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.
isa) To form cone of reception in egg
b) To Puncture the vitelline membrane
c) It is not produced in human sperm
one o t e a ove.
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a) Haemochorial
b) Syndesmochorial
d) Haemoendochorial
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60. Ovulation mainly because of
a) ACTH
c) LH
one
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.
progesterone isa) To prepare uterus for pregnancy
c) Implantation
d) All the above
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takes place ina) Fallopian tube
c) Uterus
d) All the above
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which the foetus is enclosed
a) Amnion
or onc) Pouch
d) Capsule
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64.
Sex / ovarian hormones area) Steroids
c) Proteins
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by
b) ADH
c) FSH
d) LTH
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.
cells found in
a) Brain
b) Ovary
d) Ovum
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secretion ofa roges erone
b FSHc) Lactogenic hormone
t e a ove
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.
b) Ovary
d) None
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69. Which of the following are acts as
a respiratory organ in mammalian
a Amnionb) Placenta
c) Lung
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.
produces about:
a) 40 Eggs
b) 400 Eggs
c) 4000 Eggs
d) 365 Eggs
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.
b) Human ovumc) Graafian follicle
e u
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.
b) Microlecithal
c) Mesolecithal
d) Macrolecithal
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a) Reduction in number of helper -Tcells
b Reduction in number of killer Tcells
d) Nonproduction of interferon
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74.What is correct about test tube baby?
a) Fertilization inside the female genital
tract and rowth in test tube
b) Rearing of premature born baby in
c) Fertilization in the test tube and
d) Both fertilization and development
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75. In 28 da human ovarian c cle
ovulation occurs on
a) day 1
ayc) Day 14
d) Day 28
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.
from
a) Allantois
o sacc) Chorion
d) Both chorion and allontois
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77.Match the columns and find
I II. .
implantation
b. LH q. female secondary sexualcharacters
c. Progesterone. r. Contraction of uterine muscles
d. Estrogens. s. Development of corpus luteum
t. maturation of Graafian follicle
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b) a r, b t, cs, d q.
c) a t, bp, c s, d q.
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, , , .
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is achieved by
a) IUDs
c) Tubectomy
ese
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79.Contraceptive oral pills help
n r con ro y
a ng ova
b) Preventing ovulation
c) Killing the sperms
sperms and ova.
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80.Match the column and find the
correc com na on
I IIa. AIDS p. Yersinia pestis
. .c. Viral jaundice r. Treponema pellidum
d. Gonorrhoea s. Neisseria gonorrhoae
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a) a t, b q, c p, d s.
b) a t, b p, c q, d s.
c) a t, b r, c q, d s.
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.
oral pills is
a)Thyroxine
c) Progesterone
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.
menopause at the age of about
a) 25 Years
b) 35 Yearsc) 50 Years
d) 70 Years
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83.Pro esterone resent in
contraceptive pill is meant fora) Checking ovulation
b Preventin fertilizationc) Preventing implantation
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.
a Im lantation
b) Fertilization
c Zygote ormation
d Cleava e
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86.Oocyte is liberated from ovary under
the influence of LH, after completinga) Meiosis and before liberating polar
b) Meiosis I and before liberating polar
c) Meiosis I before completion of
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d) Meiosis I after release of polar bodies
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87.AIDS spreads through
a oo rans us on
b Placental transmissionc) Sexual intercourse
t e a ove
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88.Which one is method of birth
a) IVF -ET
c) IUDs
e a ove
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.
methods of infertil ity control
a) IVF - ET
b) GIFT
d) All the aboveVikasana - CET 2012
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90. Hormone responsible for
ovulation and development of
a) FSH
b) LH
d) ICSH
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91.Surgical/ terminal method of
controlling birth by cutting and tying
a) Hysterectomy
b) Tubectomy
d) None
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92.Terminal / sterilization method of
controlling birth in males is
a) Vasectomy
b) Tubectomy
d) All the above
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occurs in human females?
a) Morula
b) Zygote
d) Gastrula
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94.The role of Leydig cells is
a Nourishin s ermsb) Provide motil ity
sperms
hormone
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.
a erm na ep e um
b) Graafian follicle
c) Ruptured Graafian follicle
d None
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.
into egg is called
a Inseminationb) Maturation
d) FertilizationVikasana - CET 2012
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.
of low sperm count?a) Azoospermia
c) Oligospermia
d) Asthenospermia
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98.Which one is the safest method
of birth control?a erm na on o unwan e
pregnancy
b) Sterilization techniques
c The rh thm method
d) Use of physical barriers
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surrogate mother fulfi llsa) Genetic relationship
c) Implantation of embryo
d) Adoption
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Thank
U
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