VMMC VMMC Medical Solved Paper-2015

  • question_answer
    Annular and spirally thickened conducting elements generally develop in protoxylem when root or stem is

    A) differentiating                  

    B) maturing

    C) elongating                          

    D) widening

    Correct Answer: C

    Solution :

    Protoxylem is the first formed xylem in which the lignification begins before the completion of elongation. It is constituted of small tracheids and vessels possessing annular or spiral thickenings. They are capable of stretching in the times of need.


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