12A Biology Practice Quiz

Archaea are known for their ability to thrive in:

• Low temperatures

• Neutral pH environments

• Low salinity conditions

• Extreme environments

Which of the following is a characteristic of eukaryotic cells that differentiates them from prokaryotic cells?

• Lack of a true nucleus

• Presence of membrane-bound organelles

• Circular DNA

• Presence of peptidoglycan in the cell wall

Prokaryotic cells are typically found in which of the following domains?

• Bacteria

• Archaea

• Eukarya

• Bacteria and Archaea

Eukaryotic cells can be either unicellular or multicellular.

• True

• False

Domain __________ includes organisms with a true nucleus.

• Eukarya

• Monera

• Archaea

• Bacteria

The THREE shapes of bacteria are

• Square, round, rod

• spiral, cylinder, crystal

• rod, spiral, spherical

• rod, disc, cylinder

Which of the following bacteria are thick rigid and spiral?

• Vibrio

• Spirillum

• Coccus

• Bacillus

A _______ is an organism that is single-celled and has no nucleus.

• eukaryote

• prokaryote

• fungi

• plant

What kind of Archaea would you find in places such as volcanoes and hot vents on the ocean floor?

• Thermophiles

• Halophiles

• Cyanobacteria

• Plasmophiles

• Volcanophiles

The prefix "halo" such as in halophile most likely means...

• Salt

• High temperatures

• Self-serving

• Gram