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Biology Chapter 16 (P2)
Test Description: More detailed assessment of lessons 16.2 to 16.4
Instructions: Answer all questions to get your test result.
1) Bacteria
A
Eukaryote
B
Bacteria
C
Archaea
D
None of the above
2) Which is a bacterial cell shape?
A
All of the above
B
Bacilli: rod-shaped
C
Cocci: chains of spheres
D
Spirochetes: spiral-shaped/curved
3) Which describes Gram positive (in bacterial cell wall type)?
A
Less peptidoglycan with the usual membrane
B
Less peptidoglycan with an extra membrane
C
Mostly peptidoglycan with the usual membrane
D
More peptidoglycan with an extra membrane
4) Which is not a way of bacterial motility?
A
Cilia (hairs shorter than flagella)
B
Flagellum (between cell wall and membrane)
C
Pili (shorter and thinner than flagella but sticks to other surfaces)
D
Chains of cells that become slimy threads to anchor to other surfaces
5) Which is not a way bacteria recombine genetic information in reproduction (binary fission)?
A
Transduction: phage pass on genes via viruses
B
Conjugation: 2 cells join and transfer genes
C
Transformation: pick up DNA from environment
D
Endospores: DNA copy with protective coat
6) -- is the bacterial mode of nutrition where energy is from inorganic chemicals and carbon from CO2
A
Chemoheterotroph
B
Chemoautotroph
C
Photoheterotroph
D
Photoautotroph
7) Which of the below was an effect of the Oxygen Revolution?
A
Oxygen filled the anaerobic atmosphere
B
Cyanobacteria\'s waste was oxygen
C
Photoautotrophic bacteria produced oxygen
D
Many species were poisoned
8) Bacteria would turn nitrogen gases into -- in soil/water, which would be consumed by -- then --
A
nitrogen atoms, plants, animals
B
nitrogen compounds, plants, animals
C
nitrogen atoms, animals, plants
D
nitrogen compounds, animals, plants
9) Bacteria could cause diseases by --
A
A and B
B
Having the victim reproduce its DNA then explode
C
Invading and destroying (white blood cells)
D
Poisoning proteins and cell walls
10) Which is not a way to prevent bacterial diseases?
A
Immune system
B
Vaccines
C
Public hygiene
D
Antibiotics
*select an answer for all questions
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