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Which of the following is a pair of homologous orgarrs? (a) pectoral fin of rohu and...

Which of the following is a pair of homologous orgarrs?

(a) pectoral fin of rohu and fore-limb of horse

(b) wings of grasshopper and wings of crow

(c) lungs of rabbit and gills of rohu

(d) wings of bat and wings of butterfly.

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Answer:

Which of the following is a pair of homologous orgarns?

(a) pectoral fin of rohu and fore-limb of horse - Correct Option (homologous organs are the one which are similar in structure but different in functions.Homologous organs show divergent evolution. Pectoral fin of rohu (helps in swimming) and fore-limb (used for walking) of horse - both have similar structure but perform different function.

(b) wings of grasshopper and wings of crow

(c) lungs of rabbit and gills of rohu

(d) wings of bat and wings of butterfly.

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