NEET Biology Plant Kingdom Question Bank Pteridophytes General

  • question_answer
    Ectophloic siphonostele is found in  [CBSE PMT 2005]

    A)                    Adiantum and Cucurbitaceae

    B)               Osmunda and Equisetum

    C)                    Marsilea and Botrychium

    D)                    Dicksoni and Maidenhair fern

    Correct Answer: B

    Solution :

                       The central pith is surrounded by xylem, phloem, pericycle and endodermis. The phloem occurs only out side the xylem e.g., Osmunda.


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