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NEET Biology NEET PYQ-Kingdom Animalia

  • question_answer
    Which one of the following groups of animals is bilaterally symmetrical and triploblastic? [AIPMT (S) 2009]

    A) Coelenterates (cnidarians)

    B) Aschelminthes (roundworms)

    C) Ctenophores      

    D) Sponges

    Correct Answer: B

    Solution :

    [b] Aschelminthes are bilateral symmetrical and triploblastic animals eg Ascaris.
    Coelenterates are radially symmetrical and diploblastic animals eg Obelia.
    Ctenophores are biradial symmetrical and diploblastic animals eg Ctenoplana
    Sponges   are   asymetrical   or   radially symmetrical and diploblastic animals eg Sycon.


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