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.You need to login to perform this action.
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