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

  • question_answer
    Study the given flow chart. Which of the following are the correct examples of W, X, Y and Z?

    A) W- Ulothrix, X-Marsilea, Y-Selaginella, Z-Cycas

    B) W-Riccia, X-Marsilea, Y-Cycas, Z-Ipomoea

    C) W-Lycopodium, X-Marchantia, Y-Pinus, Z-lpomoea

    D) W-Spirogyra, X-Dryopteris, Y-Funaria, Z-Pinus

    Correct Answer: B

    Solution :

    Riccia is a-bryophyte and is a non-vascular plant, i.e., xylem and phloem are absent. Marsilea is a pteridophyte, possessing vascular system but it does not produce flowers and is seedless. Cycas is a gymnosperm that produces seeds which are naked, i.e., not enclosed within fruits. Ipomoea is an angiosperm. It is highly evolved plant with seeds protected inside fruits.


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