CS/B.Sc.(H),GENET/BT/MOL.BIO/MICRO.BIO/SEM-2/POM-203/2012
2012
PRINCIPLES OF MICROBIOLOGY
Time Allotted : 3 Hours Full Marks : 70
The figures in the margin indicate full marks.
Candidates are required to give their answers in their own words
as far as practicable.
GROUP – A
( Multiple Choice Type Questions )
1. Choose the correct alternatives for any ten of the following :
10x1 = 10
i) The primary stain used in acid-fast staining is
a) crystal violet b) methylene blue
c) carbol fuchsin d) safranin.
ii) Moist heat kills all of the following except
a) Brucella abortus
b) Mycobacterium tuberculosis
c) Salmonella typhi
d) Coxiella burnetii.
iii) Causative agent of food poisoning is
a) Clostridium perfringens
b) Clostridium tetani
c) Clostridium botulinum
d) none of these.
iv) Which of the following is not true for lysogenic
bacteria ?
a) Remain integrated with bacterial genome
b) Replicate with the host
c) Bring about host lysis
d) A virulent phage.