AIPMT | 2014Breathing and Exchange of GasesHard
Question
Which one of the following are analogous structures?
Options
A.Wings of bat and wings of pigeon
B.Gills of prawn and lungs of man
C.Thorns of Bougainvillea and tendrils of Cucurbita
D.Flippers of dolphin and legs of horse
Solution
Wings of bat are skin folds stretched mainly between elongated finger but the wings of birds are a feather covering all along the arm. They look similar becausethey have a common use for flying, but their origin are not common. This makes them analogous characteristics rather than homologous characteristics.
As per 10th class NCERT option (1) can also taken as correct option.
As per 10th class NCERT option (1) can also taken as correct option.
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