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Evolution

Question
CBSEENBI12047032

Potato and sweet potato

  • have edible parts which are homologous organs

  • have edible parts which are analogous organs

  • have been introduced in India from the same place

  • are two species of the same genus.

Solution

B.

have edible parts which are analogous organs

Analogous organs are the opposite of homologous organs, which have similar functions but different origins. An example of an analogous trait would be the wings of insects, bats and birds that evolved independently in each lineage separately after diverging from an ancestor without wings.

Potato and sweet potato arc absolutely different in their origin as potato is modified underground stem (tuber), while sweet potato is tuberous root. It means both have edible parts, which are different organs.