10th Class Science Heredity and Evolution Question Bank Heredity and Evolution

  • question_answer
    Direction: Read the given passage and answer the following questions. Siddhi studied forelimbs of three organisms and described them as follows:
    Organism X - Long and short bones, covered with muscles, used for running.
    Organism Y - Long and short bones, covered with feathers used for flying.
    Organism Z - A layer of a complex chemical with supporting framework which is not made of bones and used for flying.
    Select the option that shows correct relationship between these organisms.

    A)                                    

    B)

    C)                              

    D)

    Correct Answer: A


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