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प्रश्न
The organs P and Q of two animals have different structures but similar functions. On the other hand, the two organs R and S of two other animals have the same basic structure but different functions.
(a) What are the organs like P and Q known as?
(b) Name the organs like P and Q. Also name the animals which have such organs.
(c) What are the organs like R and S called?
(d) Name the organs like R and S. Also name the animals which have such organs.
उत्तर
(a) Organs P and Q are known as analogous organs.
(b) Wings of an insect and a bird are like P and Q.
(c) Organs R and S are called homologous organs.
(d) Forelimbs of humans and wings of birds are like R and S.
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