Class 11/Practice Questions
Created by Titas Mallick
Biology Teacher • M.Sc. Botany • B.Ed. • CTET (CBSE) • CISCE Examiner
Created by Titas Mallick
Biology Teacher • M.Sc. Botany • B.Ed. • CTET (CBSE) • CISCE Examiner
Practice questions testing deep understanding of the cardiac cycle.
Q1. Assertion (A): The 'Lubb' sound of the heart is produced during ventricular systole. Reason (R): The forceful contraction of the ventricles causes the Tricuspid and Bicuspid (mitral) valves to snap shut, preventing the backflow of blood into the atria.
/Class-11/Competency-Based-Questions/cardiac_cycle_CBQ.mdx