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    Which of the following is not an example of analogous organ?
    Question

    Which of the following is not an example of analogous organ?

    A.

    Wings of insects and Bats

    B.

    Eyes of human and octopus

    C.

    Fins of chondrichthyes and cetaceaus animals

    D.

    Tendril of cucurbitaceous plant and thorn of Bougainvillea

    Correct option is D

    Correct Answer: (d)
    Explanation:
    Tendril of Cucurbita and thorn of Bougainvillea arise from modifications of stem, so they are homologous organs, not analogous.
    Information Booster:
    Analogous organs → same function, different origin.
    Homologous organs → different functions, same origin.
    Wings of insect and bat → analogous (different structure, same function).
    Fins of fish and whale → analogous due to convergent evolution.
    Tendril & thorn share common developmental origin → homologous.
    Additional Information (Incorrect Options):
    (a), (b), (c) → All represent analogous structures formed through convergent evolution.

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