In which of the following life cycle, the phage is regarded as virulent or master and bacterial cell as slave?
a) lytic cycle
b) lysogenic cycle
c) both a and b
d) none of them
The phage virus contains which of the following enzyme to digest the wall of bacterium?
a) protease
b) lipase
c) lysozyme
d) nuclease
Which of the following is the correct sequence of lytic cycle of phage virus?
a) attachmentàopening the cell wallà DNA integrationàDNA injection
b) attachmentà DNA integration à opening the cell wall àDNA injection
c) attachmentàopening the cell wallà DNA injection à DNA integration
d) attachmentà DNA injection à opening the cell wall à DNA integration
In which of the following cycle, the phage does not kill or destroy the bacterium?
a) lytic cycle
b) lysogenic cycle
c) both a and b
d) none of them
Which of the following cycle is regarded
as “guest-host” relationship?
a) lytic cycle
b) lysogenic cycle
c) both a and b
d) none of them
Explanation: phage is guest and bacterium cell is host
Which of the following bacteriophage cycle is regarded as “master-slave” relationship?
a) lytic cycle
b) lysogenic cycle
c) both a and b
d) none of them
Explanation: phage is master and bacterium is slave
