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Microbes in Human Welfare question

2004 · Q49
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Microbes in Human Welfare question

2004 · Q49

NEETBiologyMicrobes in Human WelfareMCQ+4 / −1
The most thoroughly studied of the known bacteria-plant interactions is the :-
  1. A
    Nodulation of Sesbania stems by nitrogen fixing bacteria
  2. B
    Cyanobacterial symbiosis with some aquatic ferns
  3. C
    Plant growth stimulation by phosphate– solubilising bacteria
  4. D
    Gall formation on certain angiosperms by Agrobacterium
View written solutionFree

Correct answer: D

Agrobacterium tumefaciens is the causative agent of crown gall, an important disease of many commercial crops. This disease has come to be recognized in recent years as being caused by a DNA plasmid (Ti plasmid) carried by bacterium and transferred to the plant cells.

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