Question # 1

During photorespiration, glycolate diffuses in to the membrane bounded organelle named as

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Mitochondria

Ribosome

Peroxisome

Golgi bodies

Plasma proteins carry about____________% CO2 from body fluids to lungs.

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1%

2%

4%

5%

The volume of air taken inside the lungs and expelled during exercise is about

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2.5 liters

3.5 liters

4.5 liters

1.5 liters

How much air can lungs when they are fully inflated

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5 liters

4 liters

3.5 liters

4.5 liters

The exchange of gases between the organism and its environment is called.

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Respiration

External respiration

Cellular respiration

Anaerobic respiration

The respiratory system is most efficient in ______

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Man

Bird

Fish

Snake

The main tracheal trunk in cockroach communicates with exterior by

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100 pairs

10 pairs

8 pairs

4 pairs

Respiratory pigment present in muscle is called.

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Hemoglobin

Globulin

Myoglobin

Hemocyanin

The most abundant protein in chloroplast and probably most abundant protein in the world is

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Hemoglobin

Rubisco

Insulin

Globulin

During breathing no stale of air remains in the lungs of.

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Mammals

Amphibian

Birds

Sarracenia

Respiratory pigment present in muscles is called ______

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Myoglobin

Globin

Haemoglobin

Haemocyanin

Water is more viscous than air.

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10 times

20 times

50 times

100 times

Lungs of birds have thin walled ducts called.

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Alveoli

Trachea

Bronchi

Parabronchi

100 ml of arterial blood of human being contains CO2

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50 ml

54 ml

56 ml

58 ml

Which is correct order of parts of air passage ways in man.

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Nostrils, Nasal cavity, Pharynx, Larynx

Nasal cavity, Nostrils, Pharynx, Larynx

Nasal cavity, Pharynx, Nostrils, Larynx

Nostrils, Pharynx, Larynx, Nasal cavity

Walls of the chest cavity are composed of

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Ribs

Intercostal muscle

Ribs and intercostal muscle

Ribs, intercostal muscle and diaphragm

Most elaborate and efficient respiratory system is present in.

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Man

Fish

Bird

Fing

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Biology Fsc Part 1 Chapter 13 Online Test MCQs With Answers

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