Question
Biology Question on Microbes in human welfare
Which of the following bacteria help in nitrogen fixation from atmosphere ? I. Azotobacter II. Rhizobium III. Azospirillum IV. Lactobacillus
A
I, III, IV
B
I, II, III, IV
C
II, III, IV
D
I, II, III
Answer
I, II, III
Explanation
Solution
Answer (d) I, II, III