A) is not distinct
B) faces abaxial side
C) faces adaxial side
D) is surrounded by metaxylem
Correct Answer: B
Solution :
: In a dorsiventral leaf the vascular bundle of midrib is the largest. It consists of a typical collateral bundle with an adaxial (the surface of a leave facing the stem axis) xylem and abaxial (the surface facing away from the axis) phloem. A thin strip of cambium is also present in (the surface facing away from the axis) between the xylem and phloem.
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