KCET 2024 Biology Solved Paper

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Question : 6 of 60

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The typical ‘lub- dub’ sounds heard during heartbeat are produced due to

Closure of semilunar valves
Closure of bicuspid and tricuspid valves
Closure of bicuspid and tricuspid valves followed by semilunar valves.
Opening of bicuspid and tricuspid valves followed by semilunar valves.

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