Week 14 Biology Quiz

Bacillus bacteria are

• spherical
• rod shaped
• spiral shaped

Spirilla bacteria are

• spherical
• rod shaped
• spiral shaped

Prokaryotes are unlike all other organisms in that their cells 

• lack nucleus
• have organelles
• have cell walls
• lack nucleic acids

Name this bacteria shape

• coccus
• spirillum
• bacillus

Name this bacteria shape

• bacillus
• coccus
• spirillum

The whiplike tail on some bacteria that help them move

• Nucleoid
• Pili
• Flagella
• Cilia

Bacteria cells do not have a nucleus. What is the name for this?

• prokaryote

• eukaryote

• karyote

• nonucleote

All bacteria are harmful.

• True

• False

Bacteria are composed of the following parts:

• Cell membrane and wall, nucleoid, ribosomes, cytoplasm

• Cell membrane only, nucleus, ribosomes, cytoplasm

• Cell membrane only, nucleoid, organelles, cytoplasm

• Cell membrane and wall, nucleus, ribosomes, cytoplasm

The bacteria seen in the picture is

• bacillus
• cocci
• spirilla