KCET 1998
Q226
Errorless
13. Critical Thinking
MCQ
Meroblastic cleavage refers to one of the following types of division of eggs
A.
Total
B.
Partial
C.
Spiral
D.
Horizontal
AFMC 1997; KCET 2001;
CPMT 2003, 09; Kerala CET 2003; Odisha JEE 2012
Q227
Errorless
1. Male reproductive system
MCQ
Which of the following cells are present in mammalian testes and help to nourish sperms
A.
Interstitial cells of Leydig
B.
Sertoli cells
C.
Granular cells
D.
Phagocytes
CBSE PMT 1997; Manipal 2005; MH CET 2015
Q228
Errorless
5. Fertilization
MCQ
Fertilizin is a chemical substance produced from
A.
Mature eggs (Ovum)
B.
Acrosome
C.
Polar bodies
D.
Middle piece of sperm
MP PMT 1997, 98; 2000
Q229
Errorless
6. Cleavage
MCQ
The fifth cleavage of the fertilized egg of frog results in the formation of
A.
16 cells
B.
48 cells
C.
64 cells
D.
32 cells
MP PMT 1997
Q230
Errorless
6. Cleavage
MCQ
The third phase in the development of a mammal is
A.
Cleavage
B.
Gastrulation
C.
Gametogenesis
D.
Fertilization
DPMT 1997
Q231
Errorless
8. Neurulation and Organogenesis
MCQ
Which of the following develops from ectoderm
A.
Spinal cord and brain
B.
Liver and heart
C.
Notochord and vertebral column
D.
Eye and skin
MP PMT 1997, 2000
Q232
Errorless
13. Critical Thinking
MCQ
How many eggs will be formed from 100 primary oocytes
A.
300
B.
400
C.
200
D.
100
MP PMT 1997
Q233
Errorless
13. Critical Thinking
MCQ
Blastocyst is a modified blastula of
A.
Placental mammals
B.
Frog
C.
Fish
D.
Birds
AIIMS 1997
Q234
Errorless
15. Assertion and Reason
MCQ
Assertion : In morula stage, cells divide without increase in size.
Reason: Zona pellucida remain undivided till cleavage is complete.
A.
If both assertion and reason are true and the reason is the correct explanation of the assertion.
B.
If both assertion and reason are true but reason is not the correct explanation of the assertion.
C.
If assertion is true but reason is false.
D.
If the assertion and reason both are false.
E.
If assertion is false but reason is true.
AIIMS 1997
Q235
Errorless
15. Assertion and Reason
MCQ
Assertion : During fertilization only head of spermatozoa enters egg.
Reason: If several spermatozoa hit the egg at same time, all can enter the egg.
A.
If both assertion and reason are true and the reason is the correct explanation of the assertion.
B.
If both assertion and reason are true but reason is not the correct explanation of the assertion.
C.
If assertion is true but reason is false.
D.
If the assertion and reason both are false.
E.
If assertion is false but reason is true.
MP PMT 1996, 99
Q236
Errorless
5. Fertilization
MCQ
Movement of sperm is done by
A.
Tail
B.
Head
C.
Acrosome
D.
Middle piece
MP PMT 1996, 97, 99 ; MHCET 2002
Q237
Errorless
6. Cleavage
MCQ
The cleavage having incomplete division (partial cleavage) of egg is known as
A.
Holoblastic
B.
Meroblastic
C.
Meridional
D.
Spiral
MP PMT 1996
Q238
Errorless
8. Neurulation and Organogenesis
MCQ
Which cavity arises by the invagination of endoderm and mesoderm
A.
Coelenteron
B.
Archenteron
C.
Pseudocoel
D.
Coelom
CBSE PMT 1996
Q239
Errorless
8. Neurulation and Organogenesis
MCQ
True coelom is a space between the body wall and alimentary canal. It is lined by
A.
Mesoderm on one side and ectoderm on the other side
B.
Endoderm on one side and ectoderm on the other side
C.
Mesoderm on both the sides
D.
Ectoderm on both the sides
MP PMT 1996, 99
Q240
Errorless
9. Extra embryonic membrane
MCQ
Function of allantois in mammal is
A.
Respiration only
B.
Excretion
C.
Nutrition, excretion and respiration
D.
Protection from shocks
MP PMT 1996
Q241
Errorless
10. Placenta
MCQ
The eutherian placenta is derived from or In mammals placenta is formed by
A.
Yolk sac
B.
Amnion
C.
Allantois
D.
Chorion allantois
MP PMT 1996, 2002
Q242
Errorless
13. Critical Thinking
MCQ
Atretic follicles are found in the
A.
Liver
B.
Testis
C.
Thymus
D.
Ovary
MP PMT 1996, 98
Q243
Errorless
13. Critical Thinking
MCQ
Ontogenetically liver and pancreas are or During embryonic development pancreas and liver develop from which germinal layer
Or In both chordates and non-chordates intestine develops from [RPMT 2000]
A.
Ectoderm
B.
Mesoderm
C.
Endoderm
D.
Blastopore
MP PMT 1995
Q244
Errorless
1. Male reproductive system
MCQ
Testes in rabbit are
A.
Inside the body
B.
On the sides of the kidneys
C.
In scrotal sacs
D.
On either side of dorsal aorta
MP PMT 1995
Q245
Errorless
5. Fertilization
MCQ
In sexually reproducing animals the union of male and female gamete forms a cell which is called
A.
Ovarian cell
B.
Oocyte
C.
Zygote
D.
Graafian follicle
MP PMT 1995
Q246
Errorless
6. Cleavage
MCQ
The term blastocyst is applied to the blastula of which one of the following
A.
Kangaroo
B.
Platypus
C.
Monkey
D.
Both kangaroo and monkey
Bihar MDAT 1995; MHCET 2004
Q247
Errorless
6. Cleavage
MCQ
Telolecithal eggs have
A.
Equal distribution of yolk
B.
Average amount of yolk
C.
Yolk present at a distance from nucleus
D.
No yolk
E.
All the above
RPMT 1995
Q248
Errorless
6. Cleavage
MCQ
Egg which contains very little amount of yolk are called as Or Human eggs are [CBSE PMT 1991, 93; MP PMT 1997, 99, 2000, 02; RPMT 1999; Pb. PMT 1999]
A.
Microlecithal
B.
Megalecithal
C.
Telolecithal
D.
Isolecithal
RPMT 1995
Q249
Errorless
6. Cleavage
MCQ
Cleavage is found in [NCERT Pg. No. 36]
A.
Zygote
B.
Eggs
C.
Undivided cell
D.
After gastrula stage
MP PMT 1995
Q250
Errorless
6. Cleavage
MCQ
The outer layer of the blastocyst which forms the ectoderm is called
A.
Cnidoblast
B.
Germinal vesicle
C.
Trophoblast
D.
Amnion