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STD 11 - 14. Breathing and exchange in gases BIOLOGY - STD 11 - 14. Breathing and exchange in gases

Gujarat Board (GSEB) - STD 11 Science - BIOLOGY (GSEB - English Medium). 280 questions in this chapter.

Question types

STD 11 - 14. Breathing and exchange in gases question types

280 questions across 1 question group — pick any mix to generate a BIOLOGY paper with step-by-step answer keys.

280
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1
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5
Question types
Sample Questions

STD 11 - 14. Breathing and exchange in gases questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1M.C.Q (1 Marks)1 Mark
Which of the following factors are favourable for the formation of oxyhaemoglobin in alveoli?
  • ✓
     High $\mathrm{pO}_2$ and Lesser $\mathrm{H}^{+}$concentration
  • B
     Low $\mathrm{pCO}_2$ and High $\mathrm{H}^{+}$concentration
  • C
     Low $\mathrm{pCO}_2$ and High temperature
  • D
    High $\mathrm{pO}_2$ and High $\mathrm{pCO}_2$

Answer: A.

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Q 2M.C.Q (1 Marks)1 Mark
Match List $I$ with List $II$ :

List $I$ List $II$
$A.$ Expiratory capacity $-$ Expiratory reserve volume $+$ Tidal volume $+$ Inspiratory reserve volume
$B.$ Functional residual capacity $-$ Tidal volume $+$ Expiratory reserve volume
$C.$ Vital capacity $-$ Tidal volume $+$ Inspiratory reserve volume
$D.$ Inspiratory capacity $-$ Expiratory reserve volume $+$ Residual volume

Choose the correct answer from the options given below :

  • A
    $ A-III, B-II, C-IV, D-I$
  • B
    $ A-II, B-I, C-IV, D-III$
  • C
    $A-I, B-III, C-II, D-IV$
  • ✓
    $A-II, B-IV, C-I, D-III$

Answer: D.

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Q 4M.C.Q (1 Marks)1 Mark
Which of the following is not the function of conducting part of respiratory system ?
  • A
    Inhaled air is humidified
  • B
    Temperature of inhaled air is brought to body temperature
  • ✓
    Provides surface for diffusion of $O _{2}$ and $CO _{2}$
  • D
    It clears inhaled air from foreign particles

Answer: C.

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Q 5M.C.Q (1 Marks)1 Mark
Under normal physiological conditions in human being every $100 ml$ of oxygenated blood can deliver $ml$ of $O _{2}$ to the tissues.
  • ✓
    $5\,ml$
  • B
    $4\,ml$
  • C
    $10\,ml$
  • D
    $2\,ml$

Answer: A.

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