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Question
Study the different conclusions drawn by students of a class on the basis of observations of preserved/available specimens of plants and animals.
I. Potato and sweet potato are analogous organs in plants.
II. Wings of insects and wings of birds are homologous organs in animals.
III. Wings of insects and wings of bats are analogous organs in animals.
IV. Thorns of citrus and tendrils of cucurbita are analogous organs in plants.
The correct conclusions are:
(A) I, and II
(B) II and IV
(C) I and III
(D) III and IV
Solution
(C)
Analogous organs are those which do not share a common ancestry but perform common function.
Hence, wings of insects and wings of bats are analogous organs in animals.
Hence, Potato and sweet potato are analogous organs in plants.
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