6.Evolution
medium

નીચે દર્શાવેલ રચનાઓ પૈકી કઈ રચના ચામાચીડિયાની પાંખને સમમુલક હોય છે ?

A

સસલાનું ઉપાંગ

B

વ્હેલનું મીનપક્ષ

C

શાર્કનું પૃષ્ઠ મીનપક્ષ

D

ફૂદાંની પાંખ

(NEET-2016)

Solution

(b) : Homologous organs have same fundamental structure but different function. The wing of a bird and flipper of a whale are structurally forelimbs, which consist of humerus, radio­ulna, carpals, metacarpals and digits but they perform different function. The wings of birds help them to fly while flipper helps the whale to swim.

Standard 12
Biology

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