Vidyalelo
Agriculture · Q162

Soil Science

Graduate and Post Graduate · Agriculture · question 162

Q162

Rhizobia is what type of organism?

A.
Autotrophic
B.
Heterotrophic
Answer
C.
Both A and B
D.
None of the above

Answer: Option B

Solution

Answer: Option B
Solution:
Rhizobia are heterotrophic soil bacteria with diverse lifestyles. These are aerobic bacteria and are a genus of gram-negative, rod-shaped, nitrogen-fixing bacteria.
It can form nodules on legume roots and fix atmospheric nitrogen for the host plant.