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- 1. Multiple Choice
What is the relative wavelength in the visible spectrum of red light and blue light and are these colours absorbed or reflected by chlorophyll?
A
B
C
D
- 2. Multiple Choice
What is used to reduce NADP in the light-dependent reactions of photosynthesis?
Conversion of ATP into ADP+Pi
Electrons from Photosystem I
Protons from the thylakoid space
Oxygen released by photolysis of water
- 3. Multiple Choice
During photosynthesis, what happens in the chloroplast at the location labelled lumen?
Protons accumulate.
Pyruvate undergoes decarboxylation.
NADH is oxidized.
Oxygen is produced.
- 4. Multiple Choice
How can the rate of photosynthesis be measured?
I. By the amount of oxygen produced
II. By the increase in biomass
III. By the amount of carbon dioxide produced
I only
I and II only
I and III only
I, II and III
- 5. Multiple Choice
What products of the light-dependent reactions are used in the light-independent reactions?
ATP and NADPH
NADPH and ribulose bisphosphate (RuBP)
CO2 and ATP
ATP and O2
- 6. Multiple Choice
In a chloroplast where are the enzymes of the Calvin cycle located?
Thylakoid membranes
Stroma
Grana
Outer membrane of chloroplast
- 7. Multiple Choice
What is the source of the oxygen released into the atmosphere in photosynthesis?
Glucose
Carbon dioxide
Chlorophyll
Water
- 8. Multiple Choice
What occurs during the light-independent reactions of photosynthesis?
ATP is produced.
Ribose reacts with carbon dioxide to form glucose.
Energy for the cycle is provided by the light-dependent reaction.
Darkness stimulates the conversion of glucose to starch.
- 9. Multiple Choice
What is the structure labelled X?
Stroma
Granum
Crista
Starch granule
- 10. Multiple Choice
Which type of light is least useful for photosynthesis in terrestrial plants?
Blue
Green
White
Red
- 11. Multiple Choice
What reaction, involving glycerate 3-phosphate, is part of the light-independent reactions of photosynthesis?
Glycerate 3-phosphate is carboxylated using carbon dioxide.
Two glycerate 3-phosphates are linked together to form one hexose phosphate.
Glycerate 3-phosphate is reduced to triose phosphate.
Five glycerate 3-phosphates are converted to three ribulose 5-phosphates.
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