Biology Module 2 Quiz

What do we call an organism that causes disease?

• pathogen

• bacteria

• saprophyte

What do we call a small circular section of DNA that confers one or more traits to a bacteria?

• filament

• flagellum

• basal body

• plasmid

What do we call the DNA and other essential parts of a bacterium coated with hard layers? (the "dormant" phase)

• a plasmid

• an endospore

• a colony

• a saprophyte

What is letter "b"?

• flagellum

• capsule

• cytoplasm

• fimbria

What is letter "d"?

• cytoplasm

• DNA

• ribosome

• fimbria

What is letter "f" (the pink layer)?

• cytoplasm

• cell wall

• plasma membrane

• capsule

What shape is a bacterium from genus Streptococcus?

• spherical

• rod-shaped

• helical

• spiral

A bacterium is autotrophic. Is it a saprophyte?

• yes

• no

• it could be

A bacterium can no longer adhere to surfaces. What component of the cell is not working?

• flagellum

• cell wall

• cytoplasm

• capsule

If a food sample is frozen, what condition for bacterial growth are you removing from the food?

• moisture

• moderate temperature

• nutrition

• darkness