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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-7

  • question_answer
    In ferns the xylem is:

    A)  Polyarch                      

    B)  Exarch

    C)  Endarch                       

    D)  Mesarch                

    Correct Answer: D

    Solution :

     Xylem is one of the two types of transport tissue in vascular plants (phloem is the other). In ferns, the xylem becomes mesarch when protox- yiem (first formed primary xylem cells in a plant shoot/ root) and metaxylem (later formed primary xylem cells in a plant shoot/root) are mixed.


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