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Bacteria Morphology

Bacteria Morphology
The cell walls of many gram positive bacteria can be easily destroyed by the enzyme known as

lipase
peroxidase
lysozyme
pectinase

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Bacteria Morphology
The cooci which mostly occur in single or pairs are

Diplococci
None of these
Tetracocci
Streptococci

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Bacteria Morphology
Cyanobacteria have

a gram-negative cell wall
a gram-positive cell wall
Neither (a) nor (b)
No cell wall

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Bacteria Morphology
Which is most likely to be exposed on the surface of a gram-negative bacterium?

Lipoteichoic acid
Pore protein (porin)
Phospholipids
Protein involved in energy generation

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Bacteria Morphology
Which of the following bacteria lack a cell wall and are therefore resistant to penicillin?

Mycoplasmas
Cyanobacteria
Spirochetes
Bdellovibrios

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Bacteria Morphology
The common word for bacteria which are helically curved rods is

bacillus
cooci
pleomorphic
spirilla

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MORE MCQ ON Bacteria Morphology

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