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MODEL PAPER 7 — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYMODEL PAPER 73 Marks
Question
Differentiate between Tricuspid and Bicuspid valve.
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Answer

Tricuspid valveBicuspid valve
There are no extra flaps in it.Called Mitral valve, maybe many small flaps in it.
It is guarded by 3-flaps that are different in size. Right AV aperture is guarded by tricuspid valve, it checks backflow of deoxygenated blood into the right auricle.It is guarded by two flaps only almost equal in size.Left AV aperture is guarded by a bicuspid valve, it checks backflow of oxygenated blood into the left auricle.

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