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Harmful Natures Of Microbes

Total questions: 13

Worksheet time: 7mins

Name
Class
Date
1.

Which of the following pairs of diseases is caused by bacteria?

a)

Herpes and influenza

b)

Tetanus and mumps

c)

Typhoid and smallpox

d)

Cholera and tetanus

2.

Are there useful micro-organisms in food an beverages and if so what are they?

4 lines
3.

This disease is caused by a protozoan...

a)

Influenza

b)

Syphilis

c)

Blastomycosis

d)

Babesiosis

4.

Are all bacteria harmful?

4 lines
5.

The trophozoite of Entamoeba histolytica feed on...

a)

only mucosa and submucosa of the colon

b)

erythrocytes, mucosa and submucosa of the colon

c)

Only blood

d)

intestinal food

6.

Microorganisms can prove very harmful to us, as they cause a number of diseases in human, plants and animals.

a)

True

b)

False

7.

Human immunodeficiency virus first destroys these cells...

a)

leucocytes

b)

B-lymphocytes

c)

thrombocytes

d)

helper T-lymphocytes

8.

The motile zygote of Plasmodium is found in...

a)

Human liver

b)

Human RBCs

c)

salivary glands of female Anopheles

d)

the gut of female Anopheles

9.

Infectious protein is a characteristic of...

a)

satellite viruses

b)

viroids

c)

prions

d)

gemini viruses

10.

Which of the following gets killed by lysozyme present in saliva and tears?

a)

some of the fungi

b)

virus-infected cells

c)

All viruses

d)

some of the bacteria

11.

Clostridium botulinum is a...

a)

facultative aerobe

b)

obligate anaerobe

c)

facultative anaerobe

d)

obligate aerobe

12.

Our body synthesizes interferons in response to

a)

fungi

b)

Bacteria

c)

Viruses

d)

mycoplasma

13.

Salmonella causes...

a)

Tetanus

b)

T.B.

c)

polio

d)

Typhoid