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

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Entry Test MCQ :: Gaseous Exchange

Entry Test MCQ :: Gaseous Exchange

1.	_________ respiration is directly involved in the production of energy, necessary for all living activities.
	A. Organismic B. Cellular C. Both of these D. None of these

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2.	______ respiration is the process by which cell utilized oxygen and produces CO2
	A. Cellular B. Organismic C. Both of these D. None of these

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3.	Of the following, which one is better respiratory medium.
	A. Air B. Water C. Soil D. None of these

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4.	Oxygen contents per liter of air is
	A. 10 ml B. 100 ml C. 200 ml D. 100ml

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5.	Water is _____ times viscous than air
	A. 50 B. 1000 C. 5000 D. 8000

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6.	There are ______ stomata per square cm of leaf surface in Tobacco plants.
	A. 1200 B. 12000 C. 100,000 D. 1000

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7.	The air spaces may comprise upto ______ of total volume of leaf surface.
	A. 30% B. 20% C. 40% D. 50%

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8.	The glycolate produced diffuses into the membrane bounded organelles called
	A. Glyoxisomes B. Peroxisomes C. Lysosomes D. Mitochondria

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9.	Active site of Rubisco is evolved to bind
	A. CO2 B. O2 C. Both of these D. H2O

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10.	Number of spiracles present in cockroach is
	A. 15 B. 10 C. 20 D. 30

11.	Number of spiracles present in the thorax of cockroach is
	A. 2 B. 3 C. 5 D. 4

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12.	When abdomen expands, the number of spiracles open is
	A. 2 B. 3 C. 6 D. 8

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13.	The blood enters the _____ side of heart
	A. Posterior B. Anterior C. Lateral D. All possible

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14.	Gaseous exchange through the skin is known as ______ respiration.
	A. Cuticular B. Cutaneous C. Skin D. Pulmonary

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15.	Parabronchi are open at ______ end/s
	A. Single B. Both C. Do not have opening D. None of these

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16.	In most birds air sacs are _____ in number
	A. 10 B. 3 C. 4 D. 9

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17.	Vocal cords are stretched across
	A. Larynx B. Pharynx C. Golttis D. None of these

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18.	Functional units of lungs are called
	A. Alveoli B. Air sacs C. Parabronchi D. None of these

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19.	Lungs are spongy due to the presence of million of
	A. Air sacs B. Alveoli C. Bronchioles D. Parabronchi

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20.	Lungs are covered with double layered thin membranous sac called
	A. Disphragm B. Pleura C. Pericardium D. Rib cage

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