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Bacteria (KS3)

Total questions: 10

Worksheet time: 10mins

Name
Class
Date
1.

Which of the following organelles is found in animal, plant and bacterial cells?

a)

Chloroplasts

b)

Flagellum

c)

Cytoplasm

d)

Cell Wall

2.

Pathogens are a disease-causing (a)   .

3.

What are the plates used to grow bacteria called?

a)

Round

b)

Slime

c)

Jelly

d)

Agar

4.

What causes Salmonella (food poisoning)?

a)

Fungi

b)

Protists

c)

Bacteria

d)

Viruses

5.

Select the correct word: Most bacteria like warm / cold conditions.

a)

Cold

b)

Warm

6.

Select the correct word: Bacteria need a food source to obtain nutrients / enzymes.

a)

Nutrients

b)

Enzymes

7.

Select the correct option: Most bacteria prefer neutral conditions, with around pH 7 / 11

a)

11

b)

7

8.

Why is important to ensure your experiment is sterile when testing for the presence of bacteria?

a)

To ensure the agar plate does not become contaminated

b)

It looks nice when everything is clean

c)

Dirty equipment actually works best!

9.

"Describe the optimum conditions

for bacterial growth": List one of the optimal condition for bacteria growth:

(a)  

10.

What is a superbug?

a)

Bacteria that cause COVID-19

b)

Antibiotic-resistant bacteria and fungi

c)

Bugs that wear capes