Match column I with II and select the correct option from the given codes. I II ( a ) Tidal volume ( i ) 2500 - 3000 m L of air ( b ) Inspiratory reserve volume ( i i ) 1000 m L of air ( c ) Expiratory reserve volume ( i i i ) 500 m l of air ( d ) Residual volume ( i v ) 3400 - 4800 m L of air ( e ) Vital capacity ( v ) 1200 m L of air

a - ( i i i ) , b - ( i ) , c - ( i i ) , d - ( v ) , e - ( i v )

a - ( i i i ) , b - ( i v ) , c - ( i i ) , d - ( i ) , e - ( v )

a - ( i i i ) , b - ( i ) , c - ( i v ) , d - ( v ) , e - ( i i )

a - ( v ) , b - ( i ) , c - ( i i ) , d - ( i i i ) , e - ( i v )

Match column I with II and select the correct option from the codes given below. I II ( a ) T V + E R V ( i ) Expiratory capacity ( b ) R V + E R V + T V + I R V ( i i ) Total lung capacity ( c ) E R V + R V ( i i i ) Functional residual capacity

a - ( i ) , b - ( i i ) , c - ( i i i )

a - ( i i i ) , b - ( i ) , c - ( i i )

a - ( i i i ) , b - ( H ) , c - ( i )

a - ( i i ) , b - ( i i i ) , c - ( i )

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Vital capacity of lungs is

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Important Questions on Breathing and Exchange of Gases

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 17 - Breathing and Exchange of Gases>MCQS CORNER>Q 34

After forceful inspiration, the amount of air that can be breathed out by maximum forced expiration is equal to

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 17 - Breathing and Exchange of Gases>MCQS CORNER>Q 35

Match column I with II and select the correct option from the given codes.

	I		II
$(a)$	Tidal volume	$(i)$	$2500 - 3000 m L$ of air
$(b)$	Inspiratory reserve volume	$(i i)$	$1000 m L$ of air
$(c)$	Expiratory reserve volume	$(i i i)$	$500 m l$ of air
$(d)$	Residual volume	$(i v)$	$3400 - 4800 m L$ of air
$(e)$	Vital capacity	$(v)$	$1200 m L$ of air

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 17 - Breathing and Exchange of Gases>MCQS CORNER>Q 36

Match column I with II and select the correct option from the codes given below.

	I		II
$(a)$	$T V + E R V$	$(i)$	Expiratory capacity
$(b)$	$R V + E R V + T V + I R V$	$(i i)$	Total lung capacity
$(c)$	$E R V + R V$	$(i i i)$	Functional residual capacity

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 17 - Breathing and Exchange of Gases>MCQS CORNER>Q 37

Consider the following four statements (i - iv) and select the correct option stating which ones are true (T) and which ones are false (F).
(i) Formation of oxyhaemoglobin occurs on alveolar surface.
(ii) During gaseous exchange the gases diffuse from high partial pressure to low partial pressure.
(iii) Carbon dioxide cannot be transported with haemoglobin.
(iv) Earthworm respires through parapodia.

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 17 - Breathing and Exchange of Gases>MCQS CORNER>Q 38

The exchange of gases in the alveoli of the lungs takes place by

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 17 - Breathing and Exchange of Gases>MCQS CORNER>Q 39

The given figure shows a diagrammatic representation of the exchange of gases at the alveolus and the body tissues with blood and the transport of oxygen and carbon dioxide. Identify the blood vessels A to D.
Question Image

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 17 - Breathing and Exchange of Gases>MCQS CORNER>Q 40

Consider the following statements each with two blanks.
(i) Diaphragm contracts to help in ___(1)____ while the contraction of abdominal muscles helps in ___(2)____.
(ii) Vital capacity of trained athletes is ___(3)____ than that of non-athletes while the vital capacity of non-smokers is ___(4)____ than that of smokers.
(iii) Alveolar

{P O}_{2}

is ___(5)____ than the venous

{P O}_{2}

while arterial

{P O}_{2}

is ___(6)____ than the alveolar

{P O}_{2}

.
Which of the following options gives the correct fill ups for the respective blanks numbered from (1) to (6) in the
above statements?

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 17 - Breathing and Exchange of Gases>MCQS CORNER>Q 41

Which of the following would have the same

O_{2}

content?

Vital capacity of lungs is

Important Questions on Breathing and Exchange of Gases

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