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Microbiology Quiz

Total questions: 11

Worksheet time: 6mins

Name
Class
Date
1.

There is an outbreak of watery diarrhea in six members of a party of 20 who ate at a Chinese restaurant the day before. Fried rice is implicated. What is the most likely causative agent?

a)

Bacillus cereus

b)

Giardia lamblia

c)

Staphylococcus aureus

d)

Escherichia coli

e)

Salmonella enteritidis

2.

In which of the following phases of growth is a Gram-positive bacterium most susceptible to the action of penicillin?

a)

Lag

b)

Exponential

c)

Stationary

d)

Decline

e)

Death

3.

Subviral particles best described as non-self-replicating ssRNAS

a)

Prions

b)

Virions

c)

Virusoids

d)

Virus

4.

Typically flask-shaped lesion of Amoebiasis is usually seen in

a)

Amoebic colitis

b)

Amoebic liver abscess

c)

Amoebiasis cutis

d)

Acute amoebiasis

5.

B-lactam drugs bind to penicillin-binding proteins to halt the synthesis of peptidoglycan. Where are these proteins located?

a)

In the cytoplasm

b)

In the cytoplasmic membrane

c)

In the periplasmic space

d)

In the peptidoglycan itself

e)

In the capsule

6.

What is the only Schistosome that produces urinary tract disease?

a)

S. japonicum

b)

S. mansoni

c)

S. haematobium

d)

S. mekongi

7.

Bacterial fimbriae present on the outer cell surface are used for:

a)

cellular activity

b)

sexual reproduction

c)

cell wall synthesis

d)

adherence to surfaces

e)

adherence, and exchange of genetic information

8.

Which were the investigators lived at the same time?

a)

Koch and Pasteur

b)

Van Leeuwenhoek and Hesse

c)

Fleming & Hooke

d)

Hooke & Berg

9.

The major constituents in agar are

a)

Lipids

b)

Amino acids

c)

Polysaccharides

d)

Polypeptides

10.

The first phase of a growth curve is

a)

Log phase

b)

Lag Phase

c)

Death Phase

d)

Stationary phase

11.

Bacteria which need oxygen for growth are called

a)

Thermophiles

b)

Microaerophiles

c)

Facultative anaerobes

d)

Anaerobes