1. Tardigrade
  2. Question
  3. Biology
  4. Read the following statements and choose the correct option: i. Agrobacterium tumefaciens, a pathogen of several monocot plants, is able to deliver a piece of DNA known as T-DNA. ii. The tumor inducing (Ti) plasmid of Agrobacterium tumefaciens has been modified into a cloning vector, which is no more pathogenic to the plants.

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Q. Read the following statements and choose the correct option:
i. Agrobacterium tumefaciens, a pathogen of several monocot plants, is able to deliver a piece of DNA known as "T-DNA".
ii. The tumor inducing (Ti) plasmid of Agrobacterium tumefaciens has been modified into a cloning vector, which is no more pathogenic to the plants.

NTA AbhyasNTA Abhyas 2022

Solution:

Agrobacterium tumefaciens, a pathogen that causes crown gall disease in most of the dicots. The organism delivers a piece of DNA called T-DNA that transforms normal plant cells into tumor cells. The tumor-inducing genes are deleted, this modified Ti plasmid is used as a cloning vector.