Biology, Eighth Edition (Raven)

Chapter 8: Photosynthesis

Pre Test

1
The energy in photosynthesis is required to create (p. 145)
A)ATP
B)NADPH
C)FADH2
D)All of the above
E)Two of the above
2
The formation of organic molecules from carbon dioxide occurs as a result of (p. 147)
A)Oxidation reactions
B)Reduction reactions
C)Hydrolysis
D)Condensation
E)Dehydration synthesis
3
What is the purpose of the C-H rich hydrocarbon tail of chlorophyll? (p. 149)
A)It is easily oxidized to provide energy to the cell
B)It acts as a conjugated ring system to stabilize the pigment through resonance
C)It supports magnesium in its centre as a site for electron withdrawal
D)The nonpolar covalent bonds in the tail provide easy access to electrons
E)It can help anchor the pigment to the thylakoid membrane
4
True or false: If the amount of light which is shone on a plant is doubled, the amount of oxygen that is produced will also double. (p. 151)
A)True
B)False
5
When bacteria use a single photosystem (such as the sulfur bacteria), which term best describes the path of the electron? (p. 153)
A)Linear
B)Branching
C)Redundant
D)Cyclic
E)Noncyclic
6
In the generalized schematic of the Calvin Cycle, what is the correct order of the events starting with CO2 and ending with the production of an organic molecule. (p. 159)
A)Regeneration, Fixation, Reduction
B)Reduction, Regeneration, Fixation
C)Fixation, Reduction, Regeneration
D)Reduction, Fixation, Regeneration
E)Regeneration, Reduction, Fixation
7
The apertures which control gas exchange in photosynthetic tissues are called (p. 160)
A)Aerophiles
B)Mesophyll
C)Epidermis
D)Stomata
E)Guard cells
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