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Online Tests
Biology Fsc Part 1 Chapter 13 Online Test MCQs With Answers
Question # 1
Number of air sacs in birds is
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6
7
8
9
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Question # 2
Why hemoglobin is 98% saturated, the oxygen content per 100 ml of blood is.
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19.6 ml
18.6 ml
17.6 ml
16.6 ml
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Question # 3
Myoglobin occurs in
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Red blood cells
White blood cells
Plasma
Muscle fibres
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Question # 4
_____ is more important regulator of breathing process.
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Oxygen
Carbon di oxide
Myoglobin
Hemoglobin
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Question # 5
Blood contains ______ oxygen per 100 ml of blood when haemoglobin is 98% saturated
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19.6 ml
18.6 ml
16.6 ml
17.6 ml
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Question # 6
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
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Question # 7
Respiratory pigment present in muscle is called.
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Hemoglobin
Globulin
Myoglobin
Hemocyanin
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Question # 8
All are made up of cartilage except
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Trachea
Bronchiole
Larynx
Bronchi
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Question # 9
The irritant substances of smoke generally cause
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Smoker's hiccough
Smoker's sneeze
Smoker's yawing
Smoker's cough
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Question # 10
The normally human blood absorbs the amount of oxygen at sea level is about
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200 ml/100 ml of blood
20 ml/100 ml of blood
19.6 ml/100 ml of blood
02 ml/100 ml of blood
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Question # 11
How much air can lungs when they are fully inflated
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5 liters
4 liters
3.5 liters
4.5 liters
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Question # 12
Which one is the structure of respiratory system of man.
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Larynx
Syrinx
Esophagus
duodenum
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Question # 13
Walls of the chest cavity are composed of
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Ribs
Intercostal muscle
Ribs and intercostal muscle
Ribs, intercostal muscle and diaphragm
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Question # 14
Water is dense than air
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800 times
1800 times
8000 times
80,000 times
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Question # 15
Blood is not involved in transport of gasses in.
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Frog
Man
Earthworm
Cockroach
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Question # 16
Asthma is associated with severe paroxysm of difficult.
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Sleeping
Walking
spoking
Breathing
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Question # 17
Pleura is double layered thin membrane that covers.
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Heart
Liver
Lungs
Kidneys
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Question # 18
Emphysema is a disease caused by the breakdown of.
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Lungs
Bronchi
Alveoli
Trachea
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