Name: __________
Date: ___________
Light Reactions of Photosynthesis: QUIZ
1.
What is the name of the location where water is split by the energy of the sun
a. photosystem I
c. grana
b. Photosystem II
d. thylakoid
2.
The process by which high energy electrons give off their energy to allow the formation of ATP from ADP during the
electron transport chain is called
a. hydrolysis
c. Photosystem II
b. photophosphorylation
d. autotrophic behavior
3.
Which of the following molecules is given off as a waste product of the light reactions?
a. water
c. ATP
b. NADPH
d. O2
4.
One product of the light dependent reactions is
a. NADP+
c. ATP
b. ADP
d. H2O
5.
In order for an electron to maintain its energy to move into the dark reactions it must be bound to a carrier molecule called
a. ATP
c. ADP
b. NADP+
d. AMP
6.
What two things are required for the light-dependent reactions to take place?
a. ATP and sunlight
c. Carbon dioxide and water
b. Water and sunlight
d. Oxygen and water
7.
Clusters of chlorophyll molecules where solar energy is absorbed and electrons are excited are called
a. photosystems
c. grana
b. cristae
d. stroma
8.
The electrons that are excited at PS I are replaced with
a. Electrons from water
c. H+ ions from the stroma
b. Photons from Sunlight
d. Electrons from the ETC
A
9.
B
C
The figure labeled B in this diagram represents
a. Photosystem 1
c. Electron Transport Chain
b. Photosystem 2
d. ATP Synthase
10. Figure C in this diagram represents
a. Photosystem 1
b. Photosystem 2
c. Electron Transport Chain
d. ATP Synthase
11. The figure labeled A in this diagram represents
a.
Photosystem 1
c. Electron Transport Chain
b.
Photosystem 2
d. ATP Synthase
12. What is formed in part B of this diagram
a. NADP+
c. ADP + Pi
b. NADPH
d. ATP
13. What happens to the energy formed in the light reactions
a. It is immediately used by the cell to maintain homeostasis
b. It is lost as heat to maintain body temperature
c. It is used in the Calvin Cycle to make Glucose
d. It is recycled by the leaf to repeat the Light reactions
14. Explain (in detail) why it is necessary to water your plants regularly. Describe the role water plays in
photosynthesis and include structures that have evolved over time to aid in the storage of excess water.