Microbiology - Bacteria Morphology

Exercise :: Bacteria Morphology - Section 1

  • Bacteria Morphology - Section 1
6. 

Which of the following may contain fimbriae?

A. Gram-positive bacteria
B. Gram-negative bacteria
C. Both (a) and (b)
D. None of these

Answer: Option B

Explanation:

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7. 

Peptidoglycan accounts for __________ of the dry weight of cell wall in many gram positive bacteria

A. 50% or more
B. About 10%
C. 11%+ 0.22%
D. About 20%

Answer: Option A

Explanation:

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8. 

Bacteria having no flagella are unable to

A. move
B. reproduce
C. stick to tissue surfaces
D. grow in nutrient agar

Answer: Option A

Explanation:

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9. 

Which of the following is true about cell wall of gram-positive bacteria?

A. It consists of multiple layers
B. It is thicker than that associated with gram-negative bacteria
C. It contains teichoic acids
D. All of these

Answer: Option D

Explanation:

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10. 

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

A. lipase
B. lysozyme
C. pectinase
D. peroxidase

Answer: Option B

Explanation:

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