Mineral Nutrition In Plants Question 190
Question: Knot like bodies known as ’nodules’ found in the roots of groundnut plant are produced by [BHU 2003]
Options:
A) Azospirillum
B) Azotobacter
C) Pseudomonas
D) Rhizobium
Show Answer
Answer:
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.
BETA
