Test Your Knowledge - Free MCQ PRACTICE
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DRIVINGTEST
A fresh set of 20 random questions is generated every time you open this page and every time you refresh it.
For each of the following multiple choice questions, choose the most appropriate answer :

1. Viruses largely lack metabolic machinery of their own to generate energy or to synthesize
A. protein
B. carbohydrate
C. alcohol
D. all of these

2. The Candida species require fermentation equipment lined with plastic because they are extremely sensitive to
A. traces of cobalt
B. traces of nickel
C. traces of iron
D. none of these

3. Which of the following serotypes of Salmonella does not produce H2S?
A. S choleraesuis
B. S paratyphi A
C. Both A and B
D. None of these

4. The agent representing an isolate of hepatitis G virus is
A. GBA-A
B. GBV-B
C. GBV-C
D. none of these

5. Bulgarian butter milk is made with the help of
A. Lactobacillus bulgaricus
B. Streptococcus lactis
C. Streptococcus thermophilus
D. S. cremoris

6. Which of the following is responsible for a musty or earthy flavor?
A. Actinomycetes
B. Flavobacterium
C. both A and
D.

7. The most commonly used medium for the build up of cultures and the production of baker's yeast consist of
A. molasses and minerals
B. molasses, minerals and salts
C. molasses
D. molasses, lactose

8. The ability of a competitive inhibitor to bind to an active site in an allosterically controlled enzyme is __________ than the ability of a non-competitive inhibitor to bind to an active site in the same allosterically controlled enzyme.
A. greater
B. lesser
C. approximately equal
D. half

9. Which of the following characteristic of the Rotavirus was important for the construction of the Rotashield vaccine?
A. The possession of a segmented RNA genome
B. A limited number of capsule types
C. The ability of monkey Rotavirus strains to cause serious illness (diarrhea) in human beings
D. The ability of the Rotavirus to be transmitted faster

10. Flagella move the cell by
A. many flagella beating in a synchronous, whip-like motion
B. an individual flagellum beating in a whip-like motion
C. spinning like a propeller
D. attaching to nearby particles and contracting

11. Which of the following Staphylococcal haemolysins does not possess leucocidal activity?
A. a haemolysin
B. ? haemolysin
C. haemolysin
D. d haemolysin

12. Non bacterial ropiness or sliminess in milk and milk products may be due to the
A. stringiness caused by mastitis and in particular by fibrin and leucocytes from the cow's blood.
B. sliminess resulting from the thickness of the cream
C. stringiness due to thin films of casein or lactalbumin during cooling
D. all of the above

13. Which of the following is/are included in Kingdom Prokaryotae?
A. Bacteria
B. Protozoa
C. Fungi
D. All of these

14. The commonest bacterial infection in HIV disease is/are
A. mycobacterial infection
B. salmonella infection
C. bartonella infection
D. all of these

15. The __________ of the influenza-enveloped virus appear to be involved in attachment to the host cell receptor site.
A. fimbriae
B. flagellae
C. hemagluttinin
D. neuraminidase

16. Primary differences between cilia and flagella are
A. arrangement of microtubules
B. length and location of basal bodies
C. how the microtubules are fused to each other
D. number, length and direction of force

17. Which of the following articles can be sterilized in an autoclave?
A. Gloves
B. Culture media
C. Dressing material
D. All of these

18. In glycolysis, ATP is created by
A. photophosphorylation
B. the chemiosmotic mechanism
C. substrate level phosphorylation
D. the pentose phosphate pathway

19. Swelling of the can is caused primarily by
A. gas forming, anaerobic spore formers
B. gas forming, aerobic spore formers
C. both A and B
D. none of these

20. Precipitation reaction is relatively less sensitive for the detection of
A. antigens
B. antigen-antibody complexes
C. antibodies
D. complement

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