prevents back flow of blood from left ventricle to left atrium.

Tricuspid valve

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Bicuspid valve

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Semilunar valve

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Solution

The correct option is B Bicuspid valve
Blood flows from atrium to ventricle in the heart. When the ventricles contract, the blood should go out of the heart and not back to the atrium. This backflow of blood is prevented by valves. Tricuspid valve prevents backflow of blood from right ventricle to right atrium. Bicuspid valve prevents backflow of blood from left ventricle to left atrium.

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Similar questions

	Column I		Column II
(a)	Tricuspid valve	(i)	Between left atrium and left ventricle
(b)	Bicuspid valve	(ii)	Between right ventricle and pulmonary artery
(c)	Semilunar valve	(iii)	Between right atrium and right ventricle

The valve situated between the left atrium and the left ventricle is called

(1) Bicuspid valve (2) Tricuspid valve (3) Mitral valve (4) Eustachian tube

Column I	Column II
a. Tricuspid valve	(i ) between the left atrium and left ventricle
b. Bicuspid valve	(ii ) between the right ventricle and the pulmonary artery
c. Semilunar valve	(iii) between right atrium and right ventricle

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