ICSE Class X Biology 2016 Solved Papers
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Differentiate between the following pairs on the basis of what is mentioned within brackets :
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Question : 41
Total: 93
LUBB and DUP (names of the valves whose closure produce the sound)
Solution:
LUBB : Atrioventricular valves
DUP: Semilunar valves.
DUP: Semilunar valves.
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