Class 10 Science Biology Heredity and Evolution



Which one of the following is a pair of homologus organs?
(a)
Lungs of rabbit and gills of rohu
(b)
Wing of bat and wing of butterfly
(c)
Pectoral fin of rohu and the forelimb of horse
(d)
Wing of grasshopper and wing of crow
Correct answer: (c) 
Solution: Homologous organs are those organs which are similar in their morphology, anatomy, genetics and embryology but dissimilar in their functions. For example, pectoral fins of rohu are homologous to the forelimbs of tetrapods.

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