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

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Important Questions on Breathing and Exchange of Gases

EASY
11th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY BIOLOGY VOL. I For XI Class of 10+2>Chapter 21 - Breathing and Exchange of Gases>TEST QUESTIONS>Q -31
Which of the following is an occupational respiratory disorder?
MEDIUM
11th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY BIOLOGY VOL. I For XI Class of 10+2>Chapter 21 - Breathing and Exchange of Gases>TEST QUESTIONS>Q -32
Which of the following options correctly represents the lung conditions in asthma and emphysema, respectively?
MEDIUM
11th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY BIOLOGY VOL. I For XI Class of 10+2>Chapter 21 - Breathing and Exchange of Gases>TEST QUESTIONS>Q -33

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