wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Microorganisms: Friend and Foe Quiz

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What are microorganisms that cannot be seen with the unaided eye called?

a)

Fungi

b)

Bacteria

c)

Microbes

d)

Viruses

2.

Which microorganism is used in the preparation of curd?

a)

Rhizobium

b)

Yeast

c)

Lactobacillus

d)

Penicillium

3.

Which of the following is a disease caused by a virus?

a)

Dysentery

b)

Typhoid

c)

Tuberculosis

d)

Polio

4.

What is the process of conversion of sugar into alcohol called?

a)

Nitrogen Fixation

b)

Decomposition

c)

Fermentation

d)

Pasteurization

5.

Which microorganism is used in the commercial production of alcohol?

a)

Protozoa

b)

Yeast

c)

Fungi

d)

Bacteria

6.

Which of the following diseases is caused by bacteria?

a)

Chickenpox

b)

Tuberculosis

c)

Influenza

d)

Malaria

7.

What is the role of Rhizobium in agriculture?

a)

Producing alcohol

b)

Fixing nitrogen

c)

Decomposing waste

d)

Causing diseases

8.

Which microorganism is responsible for the spoilage of bread?

a)

Algae

b)

Protozoa

c)

Fungi

d)

Bacteria

9.

What is the primary function of antibiotics?

a)

To produce alcohol

b)

To decompose organic waste

c)

To fix nitrogen

d)

To kill or stop the growth of disease-causing microorganisms

10.

Which of the following is a method of food preservation using heat?

a)

Freezing

b)

Pasteurization

c)

Salting

d)

Fermentation

11.

Which microorganism is used in the baking industry to make bread rise?

a)

Yeast

b)

Protozoa

c)

Bacteria

d)

Fungi

12.

What is the role of microorganisms in cleaning the environment?

a)

Causing diseases

b)

Decomposing organic waste

c)

Fixing nitrogen

d)

Producing alcohol

13.

Which of the following is a communicable disease?

a)

Diabetes

b)

Chickenpox

c)

Cancer

d)

Asthma

14.

What is the main reason for boiling milk before storage?

a)

To add flavor

b)

To kill microorganisms

c)

To increase volume

d)

To change color

15.

Which microorganism is involved in the nitrogen cycle by fixing nitrogen in the soil?

a)

Rhizobium

b)

Lactobacillus

c)

Yeast

d)

Penicillium