Vidyalelo
Agriculture · Q813

Soil Science

Graduate and Post Graduate · Agriculture · question 813

Q813

Which bacteria can fix N under acidic condition?

A.
Beijernckia
B.
Derxia
C.
Both A and B
Answer
D.
Rhizobium

Answer: Option C

Solution

Answer: Option C
Solution:
Both the bacteria Beijernckia and Derxia can fix N under acidic conditions. Beijerinckia is characterized as nonsymbiotic, aerobic, chemoheterotrophic bacteria with the ability to fix atmospheric nitrogen. It is aerobic-free living nitrogen-fixing bacteria.