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Elementary School: 3rd, 4th & 5th Grade
Science
Respiration 2
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Q.1
The trachea (windpipe) is kept open because it is made of rings of .......
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bone
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capillaries
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cartilage
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muscle
Q.2
Respiration occurs in .......
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only cells in the arms and legs
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only heart cells
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only muscle cells
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all cells
Q.3
When we inhale which one of the following is NOT correct?
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More space is formed in the thorax (volume increases)
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The air pressure in the chest (thorax) increases
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The diaphragm contracts
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The rib muscles contract
Q.4
Oxygen is transported to all parts of the body by .......
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blood plasma
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dissolving in water
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red blood cells
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white blood cells
Q.5
Which of the following is NOT true about the effect of exercise?
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Breathe more quickly
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Heart beats faster
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Less oxygen and glucose get to the muscles
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Pulse rate increases
Q.6
Which of the following is NOT involved in removing carbon dioxide from the body?
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Carbon dioxide diffuses into blood plasma
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Carbon dioxide diffuses into the alveoli
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Carbon dioxide dissolves in water
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Carbon dioxide is transported in bloodstream to lungs
Q.7
The diaphragm is .......
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a lining of the lungs
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a muscle which connects the ribs
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a sheet of muscle under the lungs
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the windpipe
Q.8
For aerobic respiration, which two substances are needed?
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Glucose and carbon dioxide
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Glucose and water
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Oxygen and glucose
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Oxygen and water
Q.9
Which of the following are products of respiration?
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Energy, carbon dioxide and water
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Energy, glucose and carbon dioxide
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Energy, oxygen and glucose
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Energy, oxygen and water
Q.10
When we exhale which one of the following is NOT correct?
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Less space is formed in the thorax (volume decreases)
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The air is forced out of the thorax
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The diaphragm relaxes
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The rib muscles contract
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