AMU Medical AMU Solved Paper-2003

  • question_answer
    Secondary phloem remains functional generally

    A)  for one year                     

    B)  for less than one year

    C)  for many years

    D)  as long as plant is alive

    Correct Answer: A

    Solution :

                     Annual rings are not produced in secondary phloem. Secondary phloem does not grow in thickness because the primary and the older secondary phloem get crushed. The curshed or non-functional phloem may however have fibres and sclereids.


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