6th Grade Science Bacteria Test Review

Select three answers! Which of the following characteristics do Eubacteria and Archaebacteria have in common?

• They both are prokaryotic.

• They are both human pathogens.

• They are both single celled organisms.

• They both live in extreme environments.

• They both lack (do not have) a nucleus.

Choose three answers!

Which of the following are characteristics of Archaebacteria?

• Live in extreme environments

• Infect people

• Exist in random shapes

• Live in the soil and in/on other organisms

• Obtain energy in unusual ways

Choose three answers! Which of the following are characteristics of Eubacteria?

• Exist in rod, sphere, and spiral shapes

• Are pathogens (infect people)

• Live in extreme environments

• Are either autotrophs or heterotrophs

• Have a nucleus

Which of the following statements describes an autotroph?

• Autotrophs get food and energy by consuming another organism.

• Autotrophs make their own food by using energy from sunlight.

• Autotrophs get food and energy from a host source.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

What must be used to visualize (see) bacteria?

• A hand lens

• A microscope

• A telescope

• A computer

Which of the following structures are found in eukaryotic cells but NOT in prokaryotic cells?

• A nucleus

• A cell membrane

• DNA

• Cytoplasm

Which of the following statements correctly describes bacteria?

• Bacteria are multicellular prokaryotes.

• Bacteria are unicellular prokaryotes.

• Bacteria are multicellular eukaryotes.

• Bacteria are unicellular eukaryotes.

What happens during binary fission?

• Bacteria enlarge, copy their DNA, and then split into four new cells.

• Bacteria enlarge, copy their DNA, and then split into two new cells.

• Bacteria shrink, reduce their DNA in half, and then split into four new cells.

• Bacteria shrink, reduce their DNA in half, and then split into two new cells.

Tags

NGSS.MS-LS3-2

Which of the following statements correctly describes asexual reproduction?

• Two parent cells share DNA and produce offspring.

• One parent cell copies its DNA and produces offspring.

Tags

NGSS.MS-LS3-2

The term bacilli refers to which bacterial shape?

• Rod

• Circle

• Spiral