A) Azospirillum
B) Azotobacter
C) Pseudomonas
D) Rhizobium
Correct Answer: D
Solution :
The bacterium Rhizobium infects the roots through the root hairs of groundnut plant and reproduce in the cells of cortex of roots. Simultaneously the division of cortex cells take place due to which the nodules are formed in the root.You need to login to perform this action.
You will be redirected in
3 sec