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Zoology Multiple Choice Questions with Answers
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what-is-the-approximate-time-required-for-a-heart-beat
Question
What is the approximate time required for a heart-beat?
A
0.8 second
B
0.6 second
C
0.5 second
D
0.7 second
View Answer
Answer & Explanation
Answer: Option [A]
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NCERT Class 12 Biology Solved Multiple Choice Questions
