1. Who is a father of microbiology??
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1/30
Leeuwenhoek
Alexander flaming
Robert Koch
Carlos Linnaeus

2. Cell wall of bacteria is made up of?
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cellulose
peptidoglycan
Chitin
None of these

3. Gam staining technique was developed in?
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1884
1888
1894
1898

4. Which of the following bacteria lack a cell wall and are therefore resistant to penicillin??
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Cyanobacteria
Mycoplasmas
Bdellovibrios
Spirochetes

5. A cluster of polar flagella is called?
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lophotrichous
amphitrichous
monotrichous
petritrichous

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

7. The protein from which hook and filaments of flagella are composed of, is?
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keratin
flagellin
gelatin
casein

8. Which of the following may contain fimbriae??
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Gram-positive bacteria
Gram-negative bacteria
Both (a) and (b)
None of these

9. The cell walls of many gram positive bacteria can be easily destroyed by the enzyme known as?
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lipase
lysozyme
pectinase
peroxidase

10. Genetic system is located in the prokaryotes in?
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nucleoid
chromatin
nuclear material
all of these

11. Which is most likely to be exposed on the surface of a gram-negative bacterium??
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Pore protein (porin)
Protein involved in energy generation
Lipoteichoic acid
Phospholipids

12. Chemotaxis is a phenomenon of?
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swimming away of bacteria
swimming towards a bacteria
swimming away or towards of bacteria in presence of chemical compound
none of the above

13. The common word for bacteria which are spherical in shape is?
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cocci
bacilli
spirilla
pleomorphic

14. Teichoic acids are typically found in?
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14/30
cell walls of gram positive bacteria
outer membranes of gram positive bacteria
cell walls of gram negative bacteria
outer membranes of gram negative bacteria

15. In eukaryotic cells, ribosomes are?
    Question grade : 1

15/30
70S
60S
80S
Not specific