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Which one of the following pairs of items correctly belongs to the category of organs mentioned against it?

1. Thorn of Bougainvillea and tendril of Cucurbita - Analogous organs
2. Nictitating membrane and blind spot in human eye - Vestigial organs
3. Nephridia of earthworm and malpighian tubules of Cockroach - Excretory organs
4. Wings of honey bee and wings of crow - Homologous organs

Correct answer: Nephridia of earthworm and malpighian tubules of Cockroach - Excretory organs

Solution

Nephridia in earthworms and Malpighian tubules in cockroaches both serve excretion, so the category is correct. The other options mismatch the organ category: thorn/tendril are not analogous here, the eye parts are not vestigial organs, and insect and bird wings are not homologous.

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