Q194 / 200 · NEET 2004 · Zoology

The most thoroughly studied of the known bacteria-plant interactions is the:

  • A
    cyanobacterial symbiosis with some aquatic ferns
  • Correct answer
    B
    gall formation on certain angiosperms by Agrobacterium
  • C
    nodulation of Sesbania stems by nitrogen fixing bacteria
  • D
    plant growth stimulation by phosphate-solubilising bacteria.

Solution

The Agrobacterium crown gall phenomenon is extensively used as natural genetic engineer in plant genetic engineering.

Hence, the correct answer is option: 'B'.

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