Each 100 mL of human arterial blood carries ' P ' mL of O 2 and ' Q ' mL of CO 2 whereas each 100 mL of venous blood carries ' R ' mL of O 2 and ' S ' mL of CO 2 . Choose the correct values of P , Q , R and S .

P = 19 - 20 mL , Q = 48 mL , R = 14 - 15 mL , S = 52 mL

P = 48 mL , Q = 19 - 20 mL , R = 52 mL , S = 14 - 15 mL

P = 14 - 15 mL , Q = 52 mL , R = 19 - 20 mL , S = 48 mL

P = 52 mL , Q = 14 - 15 mL , R = 48 mL , S = 19 - 20 mL

Match Column I with II and select the correct option from the given codes. I ( Animals ) II (Respiratory structures) ( a ) Pigeon ( i ) Book gills ( b ) Scorpion ( i i ) Pharyngeal wall ( c ) Planaria ( i i i ) Lungs ( d ) Earthworm ( i v ) Gills ( e ) Spiders ( v ) Book lungs ( f ) King crab ( v i ) Body surface ( g ) Prawn ( v i i ) Skin ( h ) Labeo

a - ( i i i ) , b - ( v ) , c - ( v i ) , d - ( v i i ) , e - ( v ) , f - ( i ) , g - ( i v ) , h - ( i v )

a - ( v ) , b - ( i i ) , c - ( v i ) , d - ( v i i ) , e - ( v i ) , f - ( i v ) , g - ( i ) , h - ( i i i )

a - ( v i ) , b - ( i v ) , c - ( v i i ) , d - ( v ) , e - ( i ) , f - ( i i ) , g - ( i i i ) , h - ( v i i )

a - ( i ) , b - ( v ) , c - ( v i i ) , d - ( i i i ) , e - ( v i i ) , f - ( i i ) , g - ( i i i ) , h - ( v i i )

Match Column I with II and select the correct option from the codes given below. I II ( a ) Tracheoles ( i ) Yeast ( b ) Carbonic anhydrase ( i i ) Fish ( c ) Lactic acid ( i i i ) Inspiration ( d ) Fermentation ( i v ) Vital capacity ( e ) Gill filaments ( v ) Fast muscle ( f ) Cutaneous respiration ( v i ) Insect ( g ) Diaphragm ( v i i ) Bicarbonates (VIII) Earthworm

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

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

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

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

Match animals in column I with their respective respiratory structures in column II. Column I (Animals) Column II (Respiratory structures) A. Pigeon (i) Book gills B. Scorpion (ii) Pharyngeal wall C. Planaria (iii) Lungs D. Earthworm (iv) Gills E. Insects (v) Tracheal tubes F. King crab (vi) Body surface G. Prawn (vii) Skin H. Labeo

A - ( iii ) , B - ( v ) , C - ( vi ) , D - ( vii ) , E - ( v ) , F - ( i ) , G - ( iv ) , H - ( iv )

A - ( v ) , B - ( ii ) , C - ( vi ) , D - ( vii ) , E - ( vi ) , F - ( iv ) , G - ( i ) , H - ( iii )

A - ( vi ) , B - ( iv ) , C - ( vii ) , D - ( v ) , E - ( i ) , F - ( ii ) , G - ( iii ) , H - ( vii )

A - ( i ) , B - ( v ) , C - ( vii ) , D - ( ii ) , E - ( vii ) , F - ( ii ) , G - ( iv ) , H - ( vi )

EASY

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An earthworm is a terrestrial annelid that respires through the lungs.

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Important Questions on Breathing and Exchange of Gases

EASY

Biology>Human Physiology>Breathing and Exchange of Gases>Respiration: Types, Phases and Different Respiratory Organs in Animals

In jelly fishes, majority of gaseous exchange takes place through the ______.

EASY

Biology>Human Physiology>Breathing and Exchange of Gases>Respiration: Types, Phases and Different Respiratory Organs in Animals

Match the following

	List-I		List-II
(A)	Moist body wall	(I)	Insects
(B)	Tracheal system	(II)	Amphibian larvae
(C)	Book lungs	(III)	Earthworms
(D)	Gills	(IV)	Aves
		(V)	Spiders

The correct match is

EASY

Biology>Human Physiology>Breathing and Exchange of Gases>Respiration: Types, Phases and Different Respiratory Organs in Animals

What is the difference between cutaneous and pulmonary respiration?

EASY

Biology>Human Physiology>Breathing and Exchange of Gases>Respiration: Types, Phases and Different Respiratory Organs in Animals

Why the skin of a man cannot act as a respiratory organ?

MEDIUM

Biology>Human Physiology>Breathing and Exchange of Gases>Respiration: Types, Phases and Different Respiratory Organs in Animals

Read the given statements and select the correct option.
Statement 1: Respiration is most efficient in the insects, among the invertebrates.
Statement 2: In the insects, air is carried directly to the cells by tracheoles.

MEDIUM

Biology>Human Physiology>Breathing and Exchange of Gases>Respiration: Types, Phases and Different Respiratory Organs in Animals

The respiratory organs of scorpion are (i); among vertebrates, fish use (ii); whereas reptiles, birds and mammals use (iii). Fill in the blanks with correct options.

MEDIUM

Biology>Human Physiology>Breathing and Exchange of Gases>Respiration: Types, Phases and Different Respiratory Organs in Animals

Each

100 mL

of human arterial blood carries

' P' mL

O_{2}

and

' Q' mL

{CO}_{2}

whereas each

100 mL

of venous blood carries

' R' mL

O_{2}

and

' S' mL

{CO}_{2}

. Choose the correct values of

P, Q, R

and

S

EASY

Biology>Human Physiology>Breathing and Exchange of Gases>Respiration: Types, Phases and Different Respiratory Organs in Animals

How does respiration fulfil the energy requirement of an organism.

MEDIUM

Biology>Human Physiology>Breathing and Exchange of Gases>Respiration: Types, Phases and Different Respiratory Organs in Animals

Represent the union of two sets by Venn diagram for each of the following.

$X = {x | x$ is a prime number between $80$ and $100}$

$Y = {y | y$ is an odd number between $90$ and $100}$

HARD

Biology>Human Physiology>Breathing and Exchange of Gases>Respiration: Types, Phases and Different Respiratory Organs in Animals

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

	I (Animals)		II (Respiratory structures)
$(a)$	Pigeon	$(i)$	Book gills
$(b)$	Scorpion	$(i i)$	Pharyngeal wall
$(c)$	Planaria	$(i i i)$	Lungs
$(d)$	Earthworm	$(i v)$	Gills
$(e)$	Spiders	$(v)$	Book lungs
$(f)$	King crab	$(v i)$	Body surface
$(g)$	Prawn	$(v i i)$	Skin
$(h)$	Labeo

MEDIUM

Biology>Human Physiology>Breathing and Exchange of Gases>Respiration: Types, Phases and Different Respiratory Organs in Animals

Select the odd one out.

MEDIUM

Biology>Human Physiology>Breathing and Exchange of Gases>Respiration: Types, Phases and Different Respiratory Organs in Animals

Read the given statements characterising certain types of animals. Select the option which correctly exemplifies each of these types.
(i) Animal having external gills
(ii) Animal having internal gills
(iii) Animal showing tracheal respiration
(iv) Animal revealing buccopharyngeal respiration

MEDIUM

Biology>Human Physiology>Breathing and Exchange of Gases>Respiration: Types, Phases and Different Respiratory Organs in Animals

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

	I		II
$(a)$	Tracheoles	$(i)$	Yeast
$(b)$	Carbonic anhydrase	$(i i)$	Fish
$(c)$	Lactic acid	$(i i i)$	Inspiration
$(d)$	Fermentation	$(i v)$	Vital capacity
$(e)$	Gill filaments	$(v)$	Fast muscle
$(f)$	Cutaneous respiration	$(v i)$	Insect
$(g)$	Diaphragm	$(v i i)$	Bicarbonates
		(VIII)	Earthworm

MEDIUM

Biology>Human Physiology>Breathing and Exchange of Gases>Respiration: Types, Phases and Different Respiratory Organs in Animals

What happens to the respiratory process in a man going up a hill?

HARD

Biology>Human Physiology>Breathing and Exchange of Gases>Respiration: Types, Phases and Different Respiratory Organs in Animals

Match animals in column I with their respective respiratory structures in column II.

Column I (Animals)	Column II (Respiratory structures)
A. Pigeon	(i) Book gills
B. Scorpion	(ii) Pharyngeal wall
C. Planaria	(iii) Lungs
D. Earthworm	(iv) Gills
E. Insects	(v) Tracheal tubes
F. King crab	(vi) Body surface
G. Prawn	(vii) Skin
H. Labeo

MEDIUM

Biology>Human Physiology>Breathing and Exchange of Gases>Respiration: Types, Phases and Different Respiratory Organs in Animals

Which one of the following statements is incorrect?

MEDIUM

Biology>Human Physiology>Breathing and Exchange of Gases>Respiration: Types, Phases and Different Respiratory Organs in Animals

Which one of the following statements is incorrect?

MEDIUM

Biology>Human Physiology>Breathing and Exchange of Gases>Respiration: Types, Phases and Different Respiratory Organs in Animals

Which of the following statements is correct about the respiration in frog?

(i) In frog, cutaneous and pulmonary respiration are found.
(ii) A pair of elongated pink hollow lungs are found in thorax.
(iii) During aestivation and hibernation, gaseous exchange takes place through skin.

MEDIUM

Biology>Human Physiology>Breathing and Exchange of Gases>Respiration: Types, Phases and Different Respiratory Organs in Animals

The faster breathing in high fever is due to the

MEDIUM

Biology>Human Physiology>Breathing and Exchange of Gases>Respiration: Types, Phases and Different Respiratory Organs in Animals

Given below are four matchings of an animal and its kind of respiratory organ

(i). Silverfish — Tracheal tubes

(ii). Scorpion — Book lung

(iii). Sea squirt — Pharyngeal gills

(iv). Dolphin — Skin

The correct matchings are

An earthworm is a terrestrial annelid that respires through the lungs.

Important Questions on Breathing and Exchange of Gases

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