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Biology Class 11 Chapter 12 - Circulation - 3
1.
The right ventricle opens into the?
a) aorta
b) right auricle
c) left auricle
d) pulmonary trunk
2.
The artrioventricular valve between the right atrium and the right Ventricle is known as?
a) bicuspid valve
b) tricuspid valve
c) tetracuspid valve
d) unicuspid valve
3.
The artioventricular valve between the left atrium and left
Ventricle is known as?
a) bicuspid valve
b) tetracuspid valve
c) unicuspid valve
d) tricuspid valve
4.
The semilunar valves of the aorta and pulmonary trunk have ___ cusps?
a) two
b) four
c) five
d) three
5.
Which one of the following carries deoxygenated blood?
a) none of these
b) inferior vana cava
c) superior vana cava
d) both of these
6.
The two vana cavas open into the?
a) left ventricle
b) right atrium
c) left atrium
d) right ventricle
7.
The right atrium sends blood into the?
a) left ventricle
b) right ventricle
c) left atrium
d) aorta
8.
How many pulmonary veins from lung enters the left atrium?
a) 3
b) 5
c) 2
d) 4
9.
The left ventricle sends blood into the?
a) aorta
b) lung
c) right ventricle
d) left atrium
10.
The left atrium opens into the?
a) right ventricle
b) left ventricle
c) aorta
d) right atrium
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