The disease crown gall is caused by which bacteria? – McqOptions

MCQOPTIONS

1.	The disease crown gall is caused by which bacteria?
A.	Agrobacterium tumefaciens
B.	Agrobacterium rhizogenes
C.	Agrobacterium tumefaciens & rhizogenes bacterium causes the disease crown gall
D.	Any bacteria belonging to genera Rhizobium
Answer» B. Agrobacterium rhizogenes

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