MEDIUM
11th CBSE
IMPORTANT
Earn 100

Reduction in pH of blood will
(a)
decrease the affinity of hemoglobin with oxygen.
(b)
release bicarbonate ions by the liver.
(c)
reduce the blood supply to the brain.
(d)
reduce the rate of heart beat.

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Important Questions on Breathing and Exchange of Gases
EASY
11th CBSE
IMPORTANT
The anaerobic respiration is also called

MEDIUM
11th CBSE
IMPORTANT
Lungs are made up of air-filled sacs, the alveoli. They do not collapse even after forceful expiration because of

EASY
11th CBSE
IMPORTANT
Which of the following is an occupational respiratory disorder?

MEDIUM
11th CBSE
IMPORTANT
Which of the following options correctly represents the lung conditions in asthma and emphysema, respectively?

MEDIUM
11th CBSE
IMPORTANT
Match the items given in column I with those in column II and select the correct option given below.
Column I | Column II | ||
A. | Tidal volume | (i) | 2500 - 3000ml |
B. | Inspiratory reserve volume | (ii) | 1100 - 1200ml |
C. | Expiratory reserve volume | (iii) | 500 - 550ml |
D. | Residual volume | (iv) | 1000 - 1100ml |

EASY
11th CBSE
IMPORTANT
What is partial pressure? How does it help in gaseous exchange during respiration?

EASY
11th CBSE
IMPORTANT
Emphysema is a _____.

MEDIUM
11th CBSE
IMPORTANT
The protein - antitrypsin is used to treat the disease
