List of top Microbiology Questions on Bacterial genetic system asked in GATE XL

A landfill sample was analyzed by dilution and plating techniques for viable bacterial count. When one gram of the landfill sample was diluted (1 times 10^4) (w/v) it yielded 400 CFU. The viable bacterial count (in million, rounded off to the nearest integer) in one gram landfill sample is ____.
Which one of the following bacterial species can cause atypical pneumonia?
If the plasmid given below is digested with restriction enzymes HindIII and EcoRI, considering complete digestion, how many DNA fragments will be released?
Nonsense suppressor mutation is found in _________.
Match Group-I (selection agent) and Group-II (gene) in CORRECT combination.
With reference to virulence (vir) region of nopaline type Ti plasmid of Agrobacterium tumefaciens, match Group-I (vir gene) and Group-II (coded protein) in CORRECT combination.
Which one of the following combinations is correct?