Select the analogous organs.
Q.1 (ix) Select the analogous organs.
A. Forelimbs of lizards and birds.
B. Sweet potato and potato.
C. Thorns of Bougainvillea and tendrils of cucurbita.
D. Vermiform appendix and the caecum.
Q.1 (ix) Select the analogous organs.
A. Forelimbs of lizards and birds.
B. Sweet potato and potato.
C. Thorns of Bougainvillea and tendrils of cucurbita.
D. Vermiform appendix and the caecum.
Best answer
Answer: B. Sweet potato and potato.
Answer: (b) Sweet potato and potato.
Analogous organs have the same function but different origin. Both store food, but sweet potato is a modified (tuberous) root while potato is a modified underground stem (tuber). Forelimbs of lizards and birds, and thorns of Bougainvillea and tendrils of Cucurbita (both modified axillary structures of the stem), are homologous. The appendix is a vestigial part of the caecum.
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