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WorksheetsSem 4- Test2
Total questions: 35
Worksheet time: 26mins
Which of the following aortic arches are present in Reptiles?
III, IV and VI
I, II and III
III, IV and V
II, III and VI
In reptiles pulmonary trunk (VI) carries deoxygenated blood to the lungs
True
False
How many aortic arches persist in adult of mammals
3
4
5
6
Which part of hen’s egg gives rise to embryo?
Morula
Gastrula
Blastodisc
Complete yolk
Shell of hen’s egg
Made up of calcium carbonate
Is porous
Is protective covering
All the above
Air space is formed in hen’s egg when
It is about to be laid
It is in the oviduct
It is in the ovary
None of the above
Yolk in hen’s egg is secreted by
Cells of outer layer of oviduct
Cells of uterine wall
Follicle cells of ovary
None of the above
Latebra is made up of
Yellow yolk
White yolk
Albumen
Calcium carbonate
Ovum released in body cavity of chick is in the
Secondary oocyte stage
Primary oocyte stage
Blastula stage
Gastrula stage
Fertilization in chick occurs
Before deposition of albumen around yolk
After deposition of albumen around yolk
During deposition of albumen around yolk
None of the above
Shell in chick egg is secreted by which part?
Ovary
Oviduct
Uterus
Vagina
Cleavage in chick egg is called discoidal meroblastic because
It is passing through only albumen
It is passing through yolk as well as albumen
It is passing through complete yolk
It is restricted to blastodisc only
Body of embryo proper is formed by
Area pellucida
Area opaca
Both of the above
None of the above
The accumulation of cells is seen on the surface of blastoderm in the form of a dark opaque streak. It is known as ……….
area opaca
primitive streak
area pellucida
endoderm
The primitive streak represents the……….
long axis of the embryo
horizontal axis of the embryo
limbs of the embryo
alimentary canal of the embryo
Heart of Crocodile is made up of how many chambers?
3
4
2
1
The retention of only…………….. is characteristic feature of all birds.
Left aortic arch
Right aortic arch
Which of the following is first formed during embryonic development?
Amnion
Chorion
Allantois
Yolk sac
In which of the following category of animals forms the extra embryonic membranes
Amniota
Anamniota
Mollusca
Fishes
Yolk-sac is formed from splanchnopleure
True
False
Yolk-sac is lined by
extra-embryonic splanchnopleure
Vitelline membrane
Shell
Albumen
Yolk-sac performs the function of……..
Excretion
Absorption
Nutrition
Support
The space left between the embryo and the amnion is called as
amniotic cavity
Sero-amniotic cavity
Blastocoel
None of the above
Which of the following is the function of Amnion-
It protects the embryo from dessication.
It protects the embryo from external shocks
It protects the embryo from adhesion with the shell and embryonic membranes.
All the above
Which of the following performs the function of respiration
Amnion
Chorion
Yolk-sac
Allantois
The allantois arises as a diverticulum from the hindgut on the ……. day of incubation.
First
Second
Third
Fourth
In reptiles, interventricular septum is
Complete
Absent
Incomplete
Circular
Nature of blood circulation in birds is
Incomplete double circulation
Double circulation
Single circulation
None of the above
Arch VI forms a single pulmonary trunk taking deoxygenated blood from
Right ventricle to the lungs
Left ventricle to body
Dorsal aorta
None of the above
Right systemic arch (IV) arises from ……….carrying oxygenated blood to the carotid arch (III) to be sent into head.
left ventricle
right ventricle
Dorsal aortav
None of the above
The first aortic arch is a
Hyoid arch
Third
fourth
mandibular aortic arch
Chick egg is telolecithal type.
True
False
Chalazae are present in
Albumen
Yolk
Shell
Egg membranes
In chick egg shell, the number of pores are more on which side
Narrower end
Broader end
Same everywhere
None of the above
A series of rapid mitotic divisions in the zygote is called
Cleavage
Gastrulation
Blastulation
Primitive streak
