You have been told that Canada thistle is a weed that spreads via growth from lateral roots. You want to use a root miner insect for weed control. What would you look for to verify that this weed spreads via lateral roots and not by underground stems?
A) a vascular bundle in the center surrounded by parenchyma tissue
B) meristematic tissue at the tips of the branches
C) vascular bundles in a ring around the outside of a cross section
D) an epidermis at the periphery

Question

Quizplus · Accepted Answer

Roots typically have a central vascular bundle surrounded by parenchyma tissue, distinguishing them from stems, which have vascular bundles in a ring.

You Have Been Told That Canada Thistle Is a Weed