NEET 2004 Biology question

The Ti plasmid is often used for making transgenic plants. This plasmid is found in :-

(1)Rhizobium of the roots of leguminous plants
(2)AgrobacteriumCorrect
(3)Yeast as a 2 m plasmid
(4)Azotobacter

Answer: (2)

Solution

The Ti (tumour-inducing) plasmid is present in the soil bacterium Agrobacterium tumefaciens, which causes crown gall disease. Its T-DNA segment is transferred into the plant genome, and by replacing the oncogenes with the gene of

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Question ID VK-089507