UNIVERSITY/COLLEGE LEVEL
REVISION QUESTIONS 2
SUBJECT: MICROBIOLOGY
MCQS
1. Which of the following bacteria is/are motile?
a. Proteus mirabilis
b. Salmonella typhi
c. Shigella boydii
d. Shigella flexnerri
e. Salmonella porullum
2. In liquid culture medium, bacteria are at their maximum multiplication in which phase?
a. Exponential
b. Death
c. Decline
d. Lag
e. Logarithmic
3. Bacteria that grow only in complete absence of oxygen are:
a. Facultative anaerobes
b. Bacteroides species
c. Obligate anaerobes
d. Caboxyphilic
e. Obligate aerobes
4. All strains of Escherichia coli will give which of the following IMVIC reaction:
a. +++++
b. -++---
c. ---++
d. ++---
5. Swarming of proteus is inhibited by:
a. Blood agar
b. 1% agar
c. Sodium azide
d. Penicillin
e. Bile salts
6. Unit for measurement of Mycobacterium tuberculosis is:
a. Foot
b. 10-5mm
c. 1 centimetre
d. 10-1mm
Page 1 of 5
, e. 10-2mm
7. The volume ratio of blood to agar in ordinary BA is:-
a. 1:20
b. 1:100
c. 1:5
d. 1:4
e. 1:2
8. An antibody that reacts with a soluble antigen to give a visible reaction is called
a. Precipitinogen
b. Agglutinogen
c. Agglutinin
d. Precipitin
e. Complement
9. Consumption of unpasteurized milk can lead to:
a. Tetanus
b. Salmonellosis
c. Brucellosis
d. Tuberculosis
e. Gas gangrene
10. Cerebral spinal fluid for culture is best stored at:
a. Room temperature
b. 370C
c. 00C
d. 40C
e. Hot air oven
11. In diagnosis of pulmonary tuberculosis, the following reagents are used:
a. Carbol fuchsin
b. Neutral red
c. Acetone
d. Acid alcohol
e. Iodine
12. During preparation of chocolate blood agar, blood is heated to:
a. Destroy NADase
b. Allow anaerobic bacteria to grow
c. Destroy hemine
d. Release NAD
e. Destroy X-factor
13. Toxoids are:
a. Antibodies
b. Highly toxic
Page 2 of 5
REVISION QUESTIONS 2
SUBJECT: MICROBIOLOGY
MCQS
1. Which of the following bacteria is/are motile?
a. Proteus mirabilis
b. Salmonella typhi
c. Shigella boydii
d. Shigella flexnerri
e. Salmonella porullum
2. In liquid culture medium, bacteria are at their maximum multiplication in which phase?
a. Exponential
b. Death
c. Decline
d. Lag
e. Logarithmic
3. Bacteria that grow only in complete absence of oxygen are:
a. Facultative anaerobes
b. Bacteroides species
c. Obligate anaerobes
d. Caboxyphilic
e. Obligate aerobes
4. All strains of Escherichia coli will give which of the following IMVIC reaction:
a. +++++
b. -++---
c. ---++
d. ++---
5. Swarming of proteus is inhibited by:
a. Blood agar
b. 1% agar
c. Sodium azide
d. Penicillin
e. Bile salts
6. Unit for measurement of Mycobacterium tuberculosis is:
a. Foot
b. 10-5mm
c. 1 centimetre
d. 10-1mm
Page 1 of 5
, e. 10-2mm
7. The volume ratio of blood to agar in ordinary BA is:-
a. 1:20
b. 1:100
c. 1:5
d. 1:4
e. 1:2
8. An antibody that reacts with a soluble antigen to give a visible reaction is called
a. Precipitinogen
b. Agglutinogen
c. Agglutinin
d. Precipitin
e. Complement
9. Consumption of unpasteurized milk can lead to:
a. Tetanus
b. Salmonellosis
c. Brucellosis
d. Tuberculosis
e. Gas gangrene
10. Cerebral spinal fluid for culture is best stored at:
a. Room temperature
b. 370C
c. 00C
d. 40C
e. Hot air oven
11. In diagnosis of pulmonary tuberculosis, the following reagents are used:
a. Carbol fuchsin
b. Neutral red
c. Acetone
d. Acid alcohol
e. Iodine
12. During preparation of chocolate blood agar, blood is heated to:
a. Destroy NADase
b. Allow anaerobic bacteria to grow
c. Destroy hemine
d. Release NAD
e. Destroy X-factor
13. Toxoids are:
a. Antibodies
b. Highly toxic
Page 2 of 5
