Ques. Which of the following is the pair of biofertilizers?
A. Azolla and BGA
B. Nostoc and legume
C. Rhizobium and grasses
D. Salmonella and E.coli
Answer:A
Ques. Which of the following is the pair of biofertilizers?
A. Azolla and BGA B. Nostoc and legume C. Rhizobium and grasses D. Salmonella and E.coli