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9th Class Science Diversity in Living Organisms Question Bank Diversity in Living Organisms

  • question_answer
    Which is a diploblastic animal?

    A) Hydra                

    B)        Leech

    C) Ascaris             

    D)        Fasciola

    Correct Answer: A

    Solution :

    Diploblastic animals have a body cavity made of two cellular layers - an ectoderm and an endoderm. The cnidarians are diploblastic, whereas all other metazoans are triploblastic. In small, simple cnidarians, such as Hydra, the diploblastic condition is clearly visible.


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