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Class XI Breathing and Exchange of Gases 2

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Question 1

If O₂ concentration in tissue was almost as high as at the respiratory surface

Question 2

When you hold your breath which of the following gas changes in blood would first lead to the urge to breathe?

Question 3

In Bohr’s effect curve shift to right

Question 4

The dissociation curve is associated with

Question 5

Which of the following conditions is responsible for increase in ventilation rate of lungs?

Question 6

After fast running, man has fast heartbeat, slow pulse and shallow breathing, in such conditions he has

Question 7

How much CO₂ is present per 100ml of venous blood

Question 8

Rate of respiration is directly proportional to

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Mar 7NEET & AIIMS