Respiration in organisms Worksheet-4
Multiple-Choice Questions:
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The process that transfers carbon from plants and animals into the atmosphere is:
(a) Fermentation (b) cellular respiration
(c) Decomposition (d) Breathing
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How/Where do plants store glucose?
(a) In leaves (b) In cytoplasm
(c) As chlorophyll (d) As starch
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In photosynthesis, carbon gets transferred:
(a) from the cell to the air
(b) from the living to the nonliving environment
(c) from the nonliving to the living environment
(d) from the air into the cell
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Small spaces in the skull thought to regulate the temperature and humidity of the air taken into the body are called:
(a) Sinuses (b) Alveoli (c) Tonsils
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This tube carries air down to the windpipe.
(a) Sinuses (b) Pharynx (c) Larynx (d) Oesophagus
Fill in the Blanks:
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_______ is the process of releasing energy from the breakdown of food.
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In unicellular animals, ______ gas is absorbed directly from the water or air and carbon dioxide is released by diffusion.
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Most aquatic animals such as fishes use special organs called ________ for breathing.
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The gills of the fish are like slits and are made up of a large number of thread-like structures called ______.
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The filaments in fishes are richly supplied with tiny blood vessels called _____.
True/False:
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In animals like cow, buffalo, dog and cat; the respiratory organs and the process of breathing are similar to those in humans.
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The breakdown of glucose in the plant cells is not similar to that in other living beings.
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During heavy exercise when the supply of oxygen to our muscle cells is insufficient, food breakdown is by aerobic respiration.
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The respiratory system of humans comprises the nose, trachea, bronchus, lungs, and alveoli.
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The breakdown of glucose does not occur in the cells of an organism (cellular respiration).
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In a plant, the roots take in air which is present in the soil.
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Breathing takes place inside the cells.
Answer key:
Multiple-Choice Questions:
-
(A)
-
(D)
-
(D)
-
(A)
-
(B)
Fill in the Blanks:
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Respiration
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Oxygen
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Gills
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Filaments
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Capillaries
True/False:
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T
-
F
-
F
-
T
-
F
-
T
-
F