7th Grade Microbial Structure Quizzes , Questions & Answers

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Movement and Grip: Bacterial Flagella and Pili

This quiz features 20 questions about bacterial flagella and pili, focusing on their structure and functions. Understanding these components is essential because they play key roles in how bacteria move and attach to surfaces....

Questions: 20 | Attempts: 30 | Last updated: Mar 9, 2026

Sample Question 1
What is the primary function of a flagellum on a bacterial cell?

To move the cell through liquid

To protect the DNA

To build proteins

To store food

To create sunlight

Sample Question 2
When studying bacterial flagella and pili, we find that pili are generally shorter and more numerous than flagella.

True

False

Sample Question 3
How do bacterial flagella and pili help a bacterium survive in a host's body?

By allowing the bacteria to stick to tissues so they aren't washed away

By making the bacteria invisible

By turning the bacteria into a virus

By producing oxygen for the host

By making the bacteria grow larger than the host

7th Grade Microbial Structure Quizzes , Questions & Answers

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