Practicing Success

Target Exam

CUET

Subject

Biology

Chapter

Biotechnology -Principles and Processes

Question:
What is the source of the Ti plasmid which is modified and used as a cloning vector to deliver the desirable genes into plant cells ?
Options:
Thermus aquaticus.
Agrobacterium tumefaciens .
Aedes aegypti .
Pyrococcus furiosus .
Correct Answer:
Agrobacterium tumefaciens .
Explanation:
The tumor inducing (Ti) plasmid of Agrobacterium tumefaciens has now been modified into a cloning vector which is no more pathogenic to the plants but is still able to use the mechanisms to deliver genes of our interest into a variety of plants .