In small organisms like amoeba and paramoecium, exchange of gases occurs through the general surface of the body or cell membrane. In larger animals like birds, mammals etc have a special respiratory organ (organs which help in different organism to respire) with large surface area through which oxygen can diffuse. For efficient gaseous exchange, respiratory surface should be:
Which of the following are correct ? (a) In small organisms like amoeba and paramecium, exchange of gases occurs through the general surface of the body or cell membrane. (b) In larger animals like birds, mammals etc have a special respiratory organ with large surface area through which oxygen can diffuse. | |||
Right Option : C | |||
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In larger animals like _______________________ have a special respiratory organ . | |||
Right Option : B | |||
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In amoeba and paramecium, exchange of gases occurs through the general surface of the body called _____________________ . | |||
Right Option : A | |||
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