In grass leaves, the midvein and other large longitudinal strands arise at the _____ of the primordium and develop _____.
A)tip; downward
B)tip; both upward and downward
C)base; both upward and downward
D)base; upward
E)base; downward

Question

Quizplus · Accepted Answer

In grass leaves, the midvein and other large longitudinal strands originate at the base of the primordium and develop in both upward and downward directions.

In Grass Leaves, the Midvein and Other Large Longitudinal Strands