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Solution


Q.

Tricuspid valve is present in 
 a) Right atria and right ventricle     b) Left atria and left ventricle
 c) Wall of atrium                             d)    Wall of ventricles
1 A
2 B
3 C
4 D

Ans.

(a) In human heart, right auricle opens into right ventricle and the auriculo-ventricular aperture is guarded by a tricuspid valve. The opening of left auricle into left ventricle is guarded by bicuspid or mitral valve.