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