Consider the following statements and select the correct op…

Biology Biotechnology Principles and Processes Principles of Biotechnology and Restriction Enzymes Single Correct MCQ

Published on: August 13, 2026

Consider the following statements and select the correct option.

A soil inhabiting plant bacterium, Agrobacterium tumefaciens, a pathogen of several dicot plants is able to transfer a piece of DNA known as T-DNA

The T-DNA causes tumours

Tumour formation is induced by Ti plasmid

All of the above

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The correct answer is:

Agrobacterium tumefaciens, a soil bacterium infecting dicot plants, transfers a DNA segment called T-DNA from its Ti plasmid into the plant genome. The T-DNA carries genes that alter plant hormone levels, causing tumour (crown gall) formation.

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