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Which organ does the fish use for breathing?

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Important Questions on Respiration in Organisms

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Write four differences between aerobic and anaerobic respiration.
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Choose the right word from the given bracket and fill in the blank.

Fishes breathe with the help of _____ . (gills/wings)

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Describe the process of breathing and respiration in frog.
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Describe the process of breathing and respiration in the frog.
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 Name an animal which breathes through (a) tracheae, (b) gills, (c) skin and (d) lungs.
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Write a short note on spiracles and gills.
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In cockroaches, air enters the body through
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Describe the process of breathing and respiration in insects.
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All aquatic animals breathe through gills only.

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Aquatic animals breathe through their
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  Tiny air holes in insects_____.
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Name the breathing organs in (a) a fish, (b) an insect, (c) an earthworm and (d) a frog.
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Name two aquatic animals that do not breathe through gills.
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Insects breathe through small openings called _____. (spiracles/lenticels/epipodites)