You find a plant that you think is a legume, and you want to see whether it has nitrogen-fixing bacteria. What would you look for?
A) nitrates in the stems and leaves
B) nodules present on the roots
C) an enlarged taproot
D) an extensive fibrous root system
E) lack of root hairs

Question

Quizplus · Accepted Answer

Legumes form symbiotic relationships with nitrogen-fixing bacteria, which reside in nodules on the roots of the plants. These nodules are the key indicator of the presence of nitrogen-fixing bacteria.

You Find a Plant That You Think Is a Legume