For the first time who isolated bacteria from root nodule?

A. Bossingault

B. Beijerinck

C. Virtanen

D. Winogradsky

Answer: Option B

Solution(By Examveda Team)

Beijernick, a Dutch microbiologist and botanist was the one who isolated bacteria from root nodules for the first time.
He discovered new types of bacteria from soil and described biological nitrogen fixation.
He was the first to recognize that viruses are reproducing entities that are different from other organisms.