Download Bacteria Characteristics Quiz Answers

Bacteria Characteristics Quiz Answers
1. True or False: Bacteria are the most successful organisms on the
planet.
true 2. True or False: Bacteria were the first types of life to evolve.
true 3. Name three similarities a bacterium has to a eukaryotic cell.
cytoplasm, plasma membrane, ribosomes, DNA 4. Name one significant difference between a eukaryotic cell and a
bacterial cell.
Answers may vary. Bacterial cells lack a nucleus and membrane-­‐bound organelles. 5. Name and describe the three shapes of bacteria.
Bacilli are rod-­‐shaped, cocci are sphere-­‐shaped and spirilli are spiral-­‐shaped. 6. What structure helps the bacteria move?
a) the pili
b) the plasmid
c) the flagella
d) the tail
7. The bacterial cell wall is made of peptidoglycan, a molecule of
a) sugars and nucleic acids.
b) sugars and amino acids.
c) phospholipids and amino acids.
d) phospholipids and proteins.
8. Which best describes bacterial DNA?
a) one round chromosome
b) one long chromosome
c) 23 pairs of chromosomes
d) 46 chromosomes
9. Which best describes the location of the bacterial DNA?
a) Bacterial DNA is located in the nucleus.
b) Bacterial DNA is located in the nucleoid.
c) Bacterial DNA is located in the cytoplasm.
d) Bacterial DNA is located in the middle of the cell.
10. What is located outside the cell wall of some bacteria?
a) the cytoplasm
b) the plasma membrane
c) the capsule
d) the outer wall