Which of the following disease/s is/are caused by bacilli?
a) typhoid
b) tetanus
c) cholera
d) both a and b
Explanation: typhoid (Salmonella typhi) and tetanus (Clostridium tetni)
Which of the following are corkscrew bacteria and are motile?
a) spirilla
b) bacilli
c) cocci
d) all of these
Explanation: they have flagella. They never form cluster or chain
Vibrios bacteria are……..
a) spirilla
b) bacilli
c) cocci
d) all of these
Explanation: these are made up of less than one twist look like comma
Endospore:
Which of the following bacteria produce highly resistant structure called endospore?
a) gram-positive
b) gram-negative
c) both a and b
d) none of them
The spores of bacteria are resistant to…
a) harsh temperature
b) radiations
c) shortage of water
d) all of these
