Biology: Bacteria

Test Quiz

Questions on this quiz are based on information from
Biology: Bacteria.

1. How many cells do bacteria have?
a. One
b. two
c. three
d. hundreds
e. thousands

2. What are pathogens?
a. Bacteria that help us digest our food
b. Bacteria that break down material
c. Bacteria that help our immune system
d. Bacteria that can cause disease
e. All of the Above

3. True or False: All bacteria are bad for us and make us sick.

4. What kind of bacteria help to break down dead animals and plants in the soil?
a. Pathogens
b. Antibiotics
c. Aerobic
d. Nitrates
e. Decomposers

5. Bacteria is used in making which of the following foods?
a. Yogurt
b. Cheese
c. Pickles
d. Soy sauce
e. All of the Above

6. What do we use to fight off bad bacteria that can make us sick?
a. Aspirin
b. Decomposers
c. Antibiotics
d. Advil
e. Pathogens

7. Rhizobium bacteria helps to fertilize the soil with what element?
a. Oxygen
b. Phosphorus
c. Carbon
d. Nitrogen
e. Sulfur

8. What is the scientific name for a bacteria cell?
a. Erythrocyte
b. Prokaryote
c. Eukaryote
d. Osteoclast
e. Microglial

9. Which of the following is NOT part of a bacteria cell?
a. Nucleus
b. Ribosome
c. Cytoplasm
d. Mesosome
e. Chromosome

10. True or False: There are typically around 40 million bacteria in a gram of soil.

About this quiz: All the questions on this quiz are based on information that can be found on the Biology: Bacteria page at

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