1 |
When haemoglobin of the blood is fully saturated with oxygen, the 100cc of blood comains |
15cc of oxygen
20cc of oxygen
25cc of oxygen
10cc of oxygen
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2 |
Oxygen carryiing capacity of blood does not depend upon: |
Particle pressure of CO<sub>2</sub>
Particle pressure of O<sub>2</sub>
Height from sea level
Quantity of blood
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3 |
Which evemt si not associated with the activity of expiration? |
Contraction of diaphragm
More dome like shape of diaphragm
Back ward& downward movement of rib cage
Relaxation of intercoastals muscles
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4 |
Human lungs are spongy due to the presence of million of: |
Bronchi
Alveoli
Bronchioles
Trachea
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5 |
Which part of the air passage way possesses chartilage plates in its wall? |
Bronchiles
Distal religion of bronchi
Phroximal region of bronchi
Trachea
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6 |
Which sequence of organs is correct in air passage way of man? |
Nasal cavities larynx phaynx trachia bronchi
Nasal cavities phaynx trachia larynxbronchi
Nasal cavities phaynx larynxbronchitrachia
Nasal cavities phaynx larynxtrachia bronchi
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7 |
When the human blood leaves the capillary bed of the tissue, most of the carbon dioxide is inthe form of: |
Carbonic acid
Bicarbonate ions
Carboxylic acids
None of them
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8 |
Th elateal walls of the chest cavity of man are composed of the: |
Ribs
Intercostals Muscles
Ribs and intercoastal muscles
Ribs ,Intercostals Muscles & diaphragm
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9 |
What does not happen during inspiration in man? |
Intercoatals musles contract
Ribs are elevated
Diphragm becomedome- shaped
Ribs move forwards
|
10 |
The wall of trachea(windpipe) and bronchi of man is fernished with a series of incomplete: |
Cartilagenous plates
Chitinous rings
Cartilaginous rings
Muscular rings
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11 |
Mammalian kidney including human is adapted to conserve water by over |
20.5%
50%
99.5%
70%
|
12 |
Which plants have the adaptation to remove the flooding of its cells in fresh water |
Xerophytes
Mesophytes
Hydrophytes
Chondrocytes
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13 |
The primary structure for eliminating waste products in man are |
Liver
Kidneys
Stomach
Both a & b
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14 |
The animals which are capable of varying degrees of endothermic heat production but generally do not regulate their body temperature within a narrow range |
Ectotherms
Endotherms
Heterotherms
Homotherms
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15 |
Dialyses means |
Removing the blood
Cleaning the blood
Diluting the blood
Storing the blood
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16 |
Fresh water flatworms excrete very dilute |
Plasma
Tissue fluid
Fluid
Urine
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17 |
Earthworm is the ideal example of tubular excretory system called |
Protonephridia
Mesonephridia
Metanephridia
Prenephridia
|