Which of the following bacterium causes crown gall disease in plants?
A. Bacillus thurigiensis
B. Agrobacterium tumefaciens
C. Pseudomonas fluorescens
D. None of these
Answer: Option B
Solution(By Examveda Team)
Crown gall is caused by the bacterial plant pathogen, Agrobacterium tumefaciens. Crown gall bacteria enter plant roots through wounds.Related Questions on Biology
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C. Potassium hydroxide
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B. decrease in the ozone layer in troposphere
C. decrease in thickness of ozone layer in stratosphere
D. increase in the thickness of ozone layer in troposphere
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C. growth of pollen tube in ovule
D. visiting flowers by insects
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