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Control and Coordination in Living Organisms

Question 1 of 13

Which of the following statements regarding the human heart is INCORRECT?

  1. The cardiac valves operate passively in the heart.
  2. Heartbeat rate is modulated by autonomic nerves.
  3. The annulus fibrosus prevents the transmission directly to the auricles of the heart.
  4. Annulus fibrosus provides electrical isolation and attachment for the cardiac valves.
  5. Cordae tendineae from papillary muscles prevent eversion into the atria.

Prize Money

15₹7 Crores
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12₹25,00,000
11₹12,50,000
10₹6,40,000
9₹3,20,000
8₹1,60,000
7₹80,000
6₹40,000
5₹20,000
4₹10,000
3₹5,000
2₹2,000
1₹1,000