Respiration in organisms Worksheet-7
Multiple-Choice Questions:
(a) It houses the vocal cords
(b) It is an organ made of cartilage and connects the pharynx to the trachea
(c) It prevents foreign objects from entering the trachea
(d) All of them are correct
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Respiration in organisms Worksheet-8
Multiple-Choice Questions:
(a) A=gills; B= filaments (b) A= filaments; B= gills
(c) A= fins; B= gills (d) A= filaments; B= capillaries
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