12th Biology Objective Subjective Questions and Answers in English Biotechnology : Principles & Process Chapter 11. Biotechnology : Principles & Process 1. Agrobacterium tumifaciens is a natural vector. How? Ans.- Agrobacterium tumifaciens bacteria infect dicot plants and transfer its T-DNA. Due to this transfer normal cell changes into recombinant cell. T-plasmid of this bacterium is used […]
