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Principles of Microbiology

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

The science and the technology that researches living organisms that cannot be seen with naked eye is called ________

a)

Microorganisms

b)

Microbiology

c)

Bacteriology

d)

Microscience

2.

How are thousands of tiny creatures that live in our environment called?

a)

Tiny animals

b)

Bacteria

c)

Microorganisms

d)

Microscope

3.

Where can we find microorganisms on earth?

a)

In the air

b)

Inside water

c)

On surfaces

d)

All of the above

4.

A small group of microorganisms that cause infectious diseases are called _____________

a)

Pathogens

b)

Bacteria

c)

Fungi

d)

Flu

5.

Which one is NOT a benefit of microorganisms to our daily lives?

a)

Live normally in different part of our body

b)

Prevent exposure to other harmful microorganisms

c)

Improve the quality of farming soil

d)

Abundance of essential nutrients

6.

Microorganisms help in the production of bread, cheese and yogurt.

a)

True

b)

False

7.

_____________ breaks down waste products, and takes part in the synthesis of vitamin K.

a)

Escherichia coli (E.coli)

b)

Lactobacillus acidophilus

c)

Bacillus anthracis

d)

Streptococcus

8.

Which is NOT a condition for microorganisms to exist and thrive?

a)

Help in purifying wastewater

b)

A suitable temperature

c)

Oxygen availability for some bacteria

d)

Moisture

9.

Bacteria that require oxygen to survive are called __________ bacteria.

a)

Aerobic

b)

Anaerobic

c)

Airborne

d)

Waterborne

10.

In order to kill microorganisms that cause sickness in our bodies, we should ______________

a)

Eat more bread

b)

Deprive them from essential nutrients

c)

Provide them with suitable temperature

d)

Drink orange juice that is acidic

11.

What type of bacteria are used to produce biogas?

a)

Aerobic bacteria

b)

Anaerobic bacteria

c)

Nitrogen fixing bacteria

d)

Staphylococci

12.

Which method will kill microorganisms around our homes?

a)

Moisture

b)

pH number

c)

Oxygen available

d)

80 degrees temperature

13.

What are the THREE methods used to destroy microorganisms?

a)

Antiseptics, Disinfection and Sanitization

b)

Antiseptics, Disinfectants and Termination

c)

Sterilization, Antiseptics and Disinfection

d)

Antiseptics, Burning and Disinfection

14.

Which method completely destroys microorganisms?

a)

Antiseptics

b)

Disinfection

c)

Sterilization

d)

Sanitization

15.

What is the use of the product in the picture?

a)

Destroy fungi, bacteria and viruses on surfaces

b)

Kill germs in the mouth of animals

c)

Kill germs on the body of humans

d)

Destroy fungi, bacteria and viruses on bodies of humans

16.

Which microorganism causes strep throat infection?

a)

Bacteria

b)

Virus

c)

Fungi

d)

Protozoa

17.

A ________________ is a eukaryotic single-celled or multicellular organism that lives on dead matters and feed on organic materials.

a)

Bacteria

b)

Virus

c)

Protozoa

d)

Fungus

18.

The microorganism that causes amebic dysentery (running stomach) is _________

a)

Bacteria

b)

Virus

c)

Protozoa

d)

Fungi

19.

Which of these is NOT a set of microorganisms ?

a)

Bacteria, virus and fungi

b)

Protozoa, fungi and parasites

c)

Bacteria, insects and fungi

d)

Bacteria, Protozoa and Parasites

20.

Which one of these is NOT a communicable disease?

a)

Diarrhea

b)

Whooping cough

c)

Chicken pox

d)

Influenza