AIIMS2019Zoology-General
AIIMS 2019 Zoology General MCQ Question
Type: MCQ-Medium-Class 12
Plasmid of which bacterium was first time used in recombinant DNA technology?
A
E.coli
B
Salmonella typhimurium
C
Haemophilus influenzae
D
Streptococcus pneumoniae
Correct Answer
Option A
Detailed Explanation
The plasmid of E.coli, known as pBR322, was one of the first plasmids used as a cloning vector in recombinant DNA technology.
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