Think you’ve got your head wrapped around Photosynthesis? Put your knowledge to
the test. Good luck — the Stickman is counting on you!
Q. Which of the following are products of photosynthesis?
H2O, CO2, and light energy
H2O and CO2
H2O, CO2, and carbohydrates
Carbohydrates and O2
O2, CO2, and light energy
Q. G3P is a ____- carbon molecule released from the Calvin cycle and used to make carbohydrates.
1
2
3
4
5
Q. During the light reactions, protons are pumped using the electron transport chain to the
lumen of the thylakoid.
stomata.
stroma.
cytoplasm of the cell.
chloroplast's outer membrane.
Q. Visible light with a high amount of energy travels deeper into the ocean. For this reason, photosynthetic organisms located farther underneath the surface are probably better at using light of a __________ wavelength than organisms closer to the surface are.
longer
shorter
the same
a little more
zero—no light enters water.
Q. What step makes a C3 plant different from a C4 plant?
The capturing of light energy using a photosystem
The electron transport chain
The use of the enzyme RuBisCo
H2O is not used in the light reactions.
The fixation of CO2 immediately to a 5-carbon molecule
Q. Under what conditions is photorespiration likely to be a problem?
Hot and rainy weather
Cold weather
Hot and dry weather
Freezing weather
Tropical weather
Q. An organism that can make its own organic compounds is called a(n)
heterotroph.
animal.
leaf.
autotroph.
autophagy.
Q. RuBisCo is
the 5-carbon complex that the enzyme RuBP attaches CO2 to.
the pore where gases enter the leaf.
the enzyme that catalyzes the addition of CO2 to the 5-carbon RuBP.
the organelle where photosynthesis occurs.
a cookie company.
Q. What type of carbohydrate is stored within a chloroplast as an energy reserve?
Nucleic acids
Sucrose
Glucose
Starch
Proteins
Q. The openings in a leaf that allow the passage of gases into and out of the leaf are called
stroma.
thylakoid.
stomata.
lumen.
chloroplasts.