Entry Test MCQ :: Gaseous Exchange♦

Entry Test MCQ :: Gaseous Exchange

21.	During rest the breathing occurs rhythmically at the frequency of ______ times per minute in human
	A. 16-30 B. 15-20 C. 5?10 D. 6?12

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22.	The maximum amount of oxygen which normal human blood absorbs and carries at sea level is _____ per 100 ml of blood.
	A. 10 ml B. 20 ml C. 30 ml D. 40 ml

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23.	Haemoglobin can be almost completely oxygenated by an oxygen pressure of ____ of mercury.
	A. 10 mm B. 60 mm C. 10 cm D. 100mm

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24.	Important factors which affect the capacity of haemoglobin to combine with oxygen is
	A. Temperature B. Carbon dioxide C. pH D. All of these

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25.	The increase in pH of blood has _____ effect on the oxygen carrying capacity of haemogolobin
	A. plus ve B. ? ve C. No D. All of these

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26.	% age of CO2 carried as carboxyhaemoglobin is
	A. 5% B. 70% C. 20% D. 10%

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27.	Arterial blood contains ______ of CO2 per 100 ml of blood
	A. 54 ml B. 60 ml C. 64 ml D. 50 ml

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28.	More than ______ compounds of tar of tobacco smoke are involved to cause cancer
	A. 5 B. 90 C. 15 D. 10

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29.	A disease of longs in which inside of the lungs is damaged resulting in cough and fever
	A. Lung cancer B. Asthma C. Emphysema D. Pulmonary tuberculosis

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30.	Of the following, which one is a contagious disease?
	A. Tuberculosis B. Lungs cancer C. Asthma D. Emphysema

31.	Which of the following promotes growth in plants?
	A. Photorespiration B. Calvin cycle C. Both of these D. None of these

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32.	Which of the following animals has a respiratory system with one way flow of the air through the lungs, and the air is renewed after inspiration?
	A. Cockroach B. Earthworm C. Aves D. Frogs

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33.	Voice box is another name used for
	A. Buccal cavity B. Pharynx C. Larynx D. Chest Cavity

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34.	All of the following contain cartilage except
	A. Larynx B. Trachea C. Bronchi D. Bronchioles

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35.	Respiratory distress syndrome is common especially for infants with a
	A. Less than 7 month B. Less than 8 month C. Less than 9 month D. More than 9 month