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#4Bacterial Physiology and Metabolism

Total questions: 10

Worksheet time: 8mins

Name
Class
Date
1.

True of Gram positive bacteria

a)

Thick cell wall

b)

Stain red with gram stain

c)

Thin cell wall

d)

Escherichia coli is an example

2.

True of Gram negative bacteria

a)

Thin cell wall

b)

Stain blue with gram stain

c)

Thick cell wall

d)

Streptococcus pneumoniae is an example

3.

Which is a gram resistant bacteria?

a)

Mycobacterium tuberculosis

b)

Staphylococcus aureus

c)

Pseudomonas aeruginosa

d)

Streptococcus pneumoniae

4.

Which is not present among gram positive bacteria?

a)

Lipopolysaccharide

b)

Exotoxin

c)

Sporulation

d)

Peptidoglycan

5.

Which is not present among gram negative bacteria?

a)

Teichoic acid

b)

Outer membrane

c)

Exotoxin

d)

Lipopolysaccharide

6.

Which organism does not produce mycolic acid?

a)

Clostridium

b)

Mycobacterium

c)

Nocardia

d)

Corynebacterium

7.

Which toxin is present only among gram negative bacteria?

a)

Endotoxin

b)

Exotoxin

c)

Anti-toxin

d)

Neurotoxin

8.

Among the pneumonia -causing bacteria; which does not have virulence- promoting capsule?

a)

Mycoplasma pneumoniae

b)

Streptococcus pneumoniae

c)

Klebsiella pneumoniae

d)

Haemophilus influenzae type b

9.

Most pathogenic bacteria grow optimally at these temperatures?

a)

35-37 C

b)

33-34 C

c)

38-39 C

d)

40-41 C

10.

This renders some bacteria to withstand or survive drying, heat and chemicals.

a)

Spores

b)

Plasmids

c)

Flagellate

d)

Cell wall