wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Escherichia coli

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Bacteria which, ferment lactose gives pink colour colonies and non-motile is

a)

Escherichia coli

b)

Klebsiella pneumoniae

c)

Shigella dysenterae

d)

Salmonella typhi

2.

Bacteria, which ferment lactose, gives pink colour colonies on MacConkey agar and motile in nature is

a)

Klebsiella pneumoniae

b)

Escherichia coli

c)

Proteus mirabilis

d)

Salmonella typhi

3.

Bacteria which, are non lactose fermenters and urease positive are

a)

Shigella dysenterae

b)

Salmonella enterica

c)

Proteus mirabilis

d)

Second and Third Both options are correct

4.

Bacteria which causes peptic ulcer disease/duodenal ulcer disease is

a)

Campylobacter jejuni

b)

Lactobacillus lactii

c)

Helicobacter pylori

d)

Vibrio cholerae

5.

The patient passes bloody stools in which, causative agent bacterial serotype

a)

ETEC

b)

EPEC

c)

EHEC

d)

None

6.

Localized destruction of microvilli / brush border caused by

a)

ETEC

b)

EHEC

c)

EPEC

d)

None

7.

LT and ST toxins are produced by serotype

a)

EHEC

b)

ETEC

c)

EPEC

d)

EIEC

8.

ST toxin of ETEC strains act by increasing the enzyme activity of

a)

Adenylate cyclase

b)

Guanylate cyclase

c)

Cytosine cyclase

d)

Thymidine cyclase

9.

Hemorrhagic colitis and hemorrhagic uremic syndrome caused by

a)

EPEC - O157:H7

b)

ETEC - O157:H7

c)

EHEC - O157:H7

d)

None

10.

Common treatment prescribed for diarrheal diseases is

a)

replenishment of water

b)

Oral rehydration solutions

c)

consumption of fruits and salads

d)

None

11.

Detection of coliform bacilli in a water sample indicates

a)

past contamination

b)

Recent contamination

c)

No contamination

d)

no significant value

12.

E. coli is motile due to the presence of

a)

Monotrichous flagella

b)

Amphitrichous flagella

c)

Lopho-trichous flagella

d)

Peritrichous flagella

13.

In triple sugar iron agar test, if the organism gives results like yellow slant, yellow butt, gas positive and H2S negative, then the probable organism will be

a)

Shigella

b)

Salmonella

c)

Pseudomonas

d)

Escherichia coli

14.

Yellow coloured colonies on CLED and XLD agar given by

a)

Klebsiella

b)

Proteus

c)

Escherichia coli

d)

Salmonella

15.

The organism which is MR and VP positive in IMViC test is

a)

Klebsiella

b)

Proteus

c)

Escherichia

d)

Enterobacter

16.

The most common cause of travelers diarrhea is

a)

Campylobacter jejuni

b)

Helicobacter pylori

c)

Enterotoxigenic E. coli

d)

Vibrio cholerae

17.

O, H and K antigens/virulence factors of

a)

E. coli

b)

K. pneumoniae

c)

S. aureus

d)

S. typhi

18.

Oxidase negative Gram-negative Bacilli are

a)

Proteus mirabilis

b)

Escherichia coli

c)

Klebsiella pneumoniae

d)

Second and third both options are correct

19.

The most common cause of viral diarrhea in infants is

a)

Adenovirus

b)

Corona virus

c)

Lampi virus

d)

Rota virus

20.

Bundle forming pili (Bfp) is one of the virulence factor of

a)

ETEC

b)

EHEC

c)

EPEC

d)

EIEC