- A Agrobacterium
- B a plain plasmid
- C only a virus
- D a bacteriophage
Correct answer: A. Agrobacterium
Explanation: Agrobacterium vectors were used to introduce the nematode-specific genes.
Concept context
GM crops, transgenic animals, gene therapy, molecular diagnostics, and bioethics. Frequent 2–3 mark questions in NEET.