question_answer

Which of the following statements is correct              [CPMT 2005]

A)            E.coli gram -ve bacterium while Rhizobium japonicum is gram +ve bacterium

B)            Both E.coli and Rhizobium japonicum are gram -ve

C)            Both E.coli and Rhizobium japonicum are gram -ve

D)            E.coli is gram +ve, Rhizobium japonicum is gram -ve