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STD 12 - 8. microbes in human welfare — Biology STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 8. microbes in human welfare1 Mark
MCQ
Which one of the following is not a biofertilizer?
  • A
    Rhizobium
  • B
    Nostoc
  • C
    Mycorrhiza
  • ✓
    Agrobacterium
✓

Answer

Correct option: D.
Agrobacterium
d
Agrobacterium is a Gram negative bacterium that casusetumours in plants. It is well known for its ability to transfer $DNA$ between itself and plants, and for this reason it has become an important tool for genetic engineering. A. tumefaciens causes crown-gall disease in plants. It has Tiplasmid.

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