Microbiology Bacteria Quiz: questions and answers

Microbiology Bacteria Quiz: questions and answers
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Free online printable quiz with multiple-choice questions (MCQ) without registration.

Bacteria are an important part of nature. They can be both beneficial and harmful, but life couldn't exist without them.

Microbiology Bacteria Quiz consists of questions and multiple choice answers which will help you to test your knowledge about these amazing organisms.

Right answers

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1. Where do bacteria live?

Both are true

2. How many bacterial cells are there in a gram of soil?

About 40 million

3. Which part of the body has the largest number of bacteria?

Gut flora

4. What is a pathogenic bacterium?

A bacteria that can cause disease

5. What are the most common fatal bacterial diseases?

Respiratory infections

6. Why are bacteria important in the industry?

To sewage treatment

7. What are the spherical bacterial species called?


8. What are the major criteria in which the bacterial metabolism is classified?

Both are correct

9. What is it called when a bacterium get their carbon from another organic carbon?


10. How can bacterial infections be treated?