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Pathogenic Microorganisms Worksheet

Explore the world of pathogenic microorganisms, including bacteria, viruses, fungi, and protozoa, and their impact on human health.

Grade 9 Science BiologyPathogenic Microorganisms
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Includes

Multiple ChoiceFill in the BlanksTrue / FalseShort AnswerWord Bank

Standards

NGSS.HS-LS1-2NGSS.HS-LS1-3

Topics

biologypathogensmicroorganismsgrade9science
7 sections · Free to use · Printable
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Pathogenic Microorganisms

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Read each question carefully and provide your best answer. This worksheet assesses your understanding of pathogenic microorganisms and their effects.

1. Which of the following is NOT a type of pathogenic microorganism?

a

Bacteria

b

Viruses

c

Fungi

d

Algae

2. Which type of microorganism is shown in the image below?

Generic Virus
a

Bacterium

b

Virus

c

Fungus

d

Protozoan

3. Pathogens are microorganisms that can cause   in a host organism.

4. Antibiotics are effective against   but not against viruses.

5. All bacteria are harmful to humans.

T

True

F

False

6. Vaccines work by introducing a weakened or inactive form of a pathogen into the body.

T

True

F

False

7. Briefly explain the difference between a virus and a bacterium.

8. Describe two ways in which pathogenic microorganisms can be transmitted from one host to another.

Use the words below to complete the sentences.

Immunity
Host
Vaccine
Infection

9. A   is an organism that provides nutrients and shelter to another organism.

10. The state of being resistant to a particular disease is called  .