Question

Which of the following microbes transform normal plant and animal cells to cancerous cells respectively?

• A. Retroviruses and Rhizobium
• B. Escherichia coli and Agrobacterium tumefaciens
• C. Agrobacterium tumefaciens and Retroviruses
• D. Agrobacterium tumefaciens and Arhizogenes

Answer 1

The correct option is C Agrobacterium tumefaciens and Retroviruses

Agrobacterium tumefaciens, a pathogen of several dicot plants is able to deliver a piece of DNA known as 'T-DNA' to transform normal plant cells into tumour and direct these cells to produce the chemicals required by pathogen. Similarly , retroviruses in animal cell have the ability to produce cancerous cells from normal cells.

So, the correct option is 'Option C' .