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

  • question_answer
    In most of the Aschelminthes, the respiratory and circulatory systems are absent. Where do they get their oxygen needed for living from?

    A) They can absorb oxygen directly from air.

    B) They have special oxygen cylinder attached to them.

    C) They have an air bubble feeds them.

    D) They obtain oxygen from their host through their body wall.  

    Correct Answer: D

    Solution :

    Most of the members of phylum Aschelminthes are parasitic and obtain their nutrients, oxygen from the host.


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