Breathing & Exchange of Gases Test

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Breathing & Exchange of Gases Test - 3

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Weekly Quiz Competition

Question 1
1 / -0

Which one of the following is wrong statement with respect to the functions of respiratory system?

A
Warms up the air

B
Cleans up the air

C
Diffusion of gases

D
Humidifies the air

Solution

The function of respiratory system does not deal with the cleaning up of the air
Question 2
1 / -0

The correct sequence of respiration is i) Breathing in oxygen ii) Transportation of gases by the blood iii) Diffusion of gases between blood and tissues iv) Diffusion of gases across alveolar membrane v) Using of oxygen and releasing of carbondioxide

A
i), iii), iv), ii), v)

B
i), iv), ii), iii), v)

C
i), ii), iv), iii)

D
i), ii), iii), iv), v)

Solution

Respiration involves breathing or pulmonary ventilation by which atmospheric air is drawn in, Diffusion of gases across alveolar membrane, Transport of gases by the blood, Diffusion of gases between blood and tissues.Utilisation of oxygen by the cells.
Question 3
1 / -0

During hibernation, frogs respire by

A
external gills

B
lungs and buccopharyngeal cavity

C
internal gills

D
moist skin
Question 4
1 / -0

Respiration in insects is direct due to exchange of gases

A
Directly with the air in tubes

B
Directly with coelomic fluid

C
By tracheal tubes directly with haemocoel which then exchange with tissues.

D
Directly with the air outside through body surface

Solution

Insects have spiracles on their exoskeletons to allow air to enter the trachea. In insects, the tracheal tubes primarily deliver oxygen directly into the insects' tissues. The spiracles can be opened and closed in an efficient manner to reduce water loss. This is done by contracting closer muscles surrounding the spiracle.
Question 5
1 / -0

Which of the following organs produces sound in humans?

A
Pharynx

B
Larynx

C
Epiglottis

D
Nasal conchae
Question 6
1 / -0

Inflammation of pleural sacs due to infection or excessive pleural fluid is called

A
eupnea

B
polypnoea

C
trachypnoea

D
pleurisy
Question 7
1 / -0

If TLC is 5500ml, IRV is 2950ml, ERV is 900ml and TV is 500ml then what will be value of RV ?

A
1200ml

B
1150ml

C
2550ml

D
1100ml

Solution

RV = TLC - IRV – ERV– TV.

substitute the values

RV = 5500-2950-900-500= 1150ml.
Question 8
1 / -0

Which receptor maintains the fluid balance in the body?

A
Baroreceptor

B
Chemoreceptor

C
Interoceptor

D
Osmoreceptor
Question 9
1 / -0

Skin is the only respiratory organ in :

A
Peripatus

B
Ranatigrina

C
Hirudinaria granulosa

D
larvae of mosquitoes

Solution

There are no special respiratory organs in Hirudinaria. In addition to its primary role of a protective covering, the skin also serves a respiratory function. It is provided with a rich supply of haemocoelomic fluid in an extensive system of capillaries and capillary loops, which penetrate into the spaces between the inner ends of the epidermal cells.
Question 10
1 / -0

Those bronchioles which divide into alveolar ducts are called as :

A
Secondary bronchioles

B
Primary bronchioles

C
Tertiary bronchioles

D
Respiratory bronchioles

Solution

Terminal bronchioles give rise to respiratory bronchioles that ultimately lead to the alveoli. Exchange of gases takes place in alveoli with blood veseels.

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Re-Attempt Weekly Quiz Competition

Breathing & Exchange of Gases Test - 3

Result

Breathing & Exchange of Gases Test - 3

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SHARING IS CARING

Question 1

Warms up the air

Cleans up the air

Diffusion of gases

Humidifies the air

Solution

Question 2

i), iii), iv), ii), v)

i), iv), ii), iii), v)

i), ii), iv), iii)

i), ii), iii), iv), v)

Solution

Question 3

external gills

lungs and buccopharyngeal cavity

internal gills

moist skin

Question 4

Directly with the air in tubes

Directly with coelomic fluid

By tracheal tubes directly with haemocoel which then exchange with tissues.

Directly with the air outside through body surface

Solution

Question 5

Pharynx

Larynx

Epiglottis

Nasal conchae

Question 6

eupnea

polypnoea

trachypnoea

pleurisy

Question 7

1200ml

1150ml

2550ml

1100ml

Solution

Question 8

Baroreceptor

Chemoreceptor

Interoceptor

Osmoreceptor

Question 9

Peripatus

Ranatigrina

Hirudinaria granulosa

larvae of mosquitoes

Solution

Question 10

Secondary bronchioles

Primary bronchioles

Tertiary bronchioles

Respiratory bronchioles

Solution

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