MEDIUM
11th CBSE
IMPORTANT
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The entry of food into the larynx is prevented by
(a)mitral valve
(b)diaphragm
(c)frenulum
(d)epiglottis

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Important Questions on Breathing and Exchange of Gases
MEDIUM
11th CBSE
IMPORTANT
The volume of air that will remain in the lungs after a normal expiration is the

MEDIUM
11th CBSE
IMPORTANT
What is ERV + RV for lungs?

MEDIUM
11th CBSE
IMPORTANT
What percentage of CO2 is transported as HbCO2?

MEDIUM
11th CBSE
IMPORTANT
Reduction in pH of blood will

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 |
