The plant roots containing nitrogen fixing bacteria are: * (a) Maize
(b) Cotton
(c) Pea
(d) Wheat

The plant roots containing nitrogen fixing bacteria are

Plants of the Pea Family known as legumes, are some of the most important hosts for nitrogen-fixing bacteria, but a number of other plants can also harbour these helpful bacteria.

Hope It's Help

the answer to your question is slate

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands