[1] What is the natural host of a phage?
a) Bacteria
b) Plants
c) Animals
d) Fungi
[2] What is the purpose of phage therapy?
a) To kill bacteria in the body
b) To increase the growth of bacteria
c) To create new strains of bacteria
d) To increase the immunity of the host
[3] What type of phages can infect both gram-negative and gram-positive bacteria?
a) T-phages
b) Lysogenic phages
c) Temperate phages
d) Virulent phages
[4] What is the process of phage replication called?
a) Lysis
b) Lytic cycle
c) Lysogenic cycle
d) Replication
[5] How do phages infect bacteria?
a) They enter through the cell membrane
b) They enter through the cell wall
c) They enter through the cell nuclei
d) They enter through the cell cytoplasm
[6] Which type of phages can integrate their genetic material into the host's genome?
a) Lysogenic phages
b) Virulent phages
c) T-phages
d) Temperate phages
[7] What is the process of phages releasing their genetic material into the host cell called?
a) Replication
b) Lysis
c) Transduction
d) Transformation
[8] What is the process of phages causing the host cell to burst and release new phages called?
a) Lysis
b) Replication
c) Transduction
d) Transformation
[9] How do phages help in biotechnology?
a) They can be used to create new strains of bacteria
b) They can be used to kill harmful bacteria
c) They can be used to produce enzymes and proteins
d) All of the above
[10] What is the process of phages producing new phages called?
a) Replication
b) Lysis
c) Transduction
d) Transformation
Answers:
- a) Bacteria
- a) To kill bacteria in the body
- c) Temperate phages
- b) Lytic cycle
- a) They enter through the cell membrane
- a) Lysogenic phages
- c) Transduction
- a) Lysis
- d) All of the above
- a) Replication