Name ______________________________ Period __________
Date _________________
Photosynthesis Test
True/False
Indicate whether the sentence or statement is true or false. Write the words “True or False” in the blanks.
____
1. Photosynthesis is a process that takes place in autotrophs.
____
2. The Calvin Cycle takes place in the stroma.
____
3. The Calvin Cycle needs CO2 to start.
____
4. The major light-absorbing pigment in plants is chlorophyll.
____
5. Oxygen and CO2, in the presence of sunlight, will react to form glucose and carbon dioxide gas.
____
6. A difference between a plant cell and an animal cell is that plant cells have chloroplasts.
____
7. Chlorophyll is a found in the mitochondria.
____
8. Photosystem I happens before Photosystem II.
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question. Print the letter in the blank.
____
9. Based on the cycle of photosynthesis and cellular respiration, one can say that the ultimate original source
of energy for all living things on Earth is
a. glucose
c. the sun.
b. water.
____ 10. The process whereby plants capture energy and make complex molecules is known as
a. diffusion
c. photosynthesis.
b. evolution.
____ 11. This is where the light reaction takes place,
a. Lamella
b. Thylakoid Membrane
c. Stroma
____ 12. The major atmospheric byproduct of photosynthesis is
a. nitrogen.
c. water.
b. oxygen.
____ 13. Light dependent reactions require carbon dioxide, water, and
a. sunlight.
c. oxygen
b. Glucose
____ 14. The organelles in plant cells that contain a green pigment and are associated with photosynthesis are the:
a. mitochondria.
c. chloroplasts.
b. vacuoles
____ 15. Photosystem I generates
a. ATP
b. Water
c. NADPH
____ 16. Photosystem II generates
a. ATP
b. NADPH
c. Water
____ 17. Which of the following is the correct order of organization of structures in living things, from simplest to
most complex?
a. organ systems, organism, organs, tissues, cells
b. tissues, cells, organs, organ systems, organism
c. cells, tissues, organ systems, organs, organism
d. cells, tissues, organs, organ systems, organism
____ 18. The primary function of roots is
a. to absorb sunlight
b. to transport food up the stem.
c. the absorption of water and minerals.
d. water storage.
____ 19. The _____________ on a leaf takes in CO2 and releases water as a gas
a. stomata
c. stem
b. granum
____ 20. Two activators must be present in order for photosynthesis to take place in green plants. The activators
are:
a. chlorophyll and sunlight
c. water and oxygen
b. sunlight and oxygen
d. chlorophyll and sodium
____ 21. The two main reactants of photosynthesis are:
a. water and oxygen
c. water and carbon dioxide
b. chlorophyll and oxygen
d. glucose and carbon dioxide
____ 22. Organs associated with photosynthesis are:
a. chloroplasts
c. green leaves
b. chlorophyll
d. kidneys
____ 23. Photosynthetic organisms are:
a. people.
c. brightly colored fish
b. trees
d. mushrooms
____ 24. Which type of cells can undergo photosynthesis?
a. plant cells
c. bacterial cells
b. animal cells
d. fungal cells
Use the following picture to answer
questions #25-28.
____ 25. Which organelle provides evidence that this cell can absorb sunlight to produce its own food?
a. Organelle #1
c. Organelle #3
b. Organelle #2
d. Organelle #4
____ 26. The cell in this picture is a(an):
a. animal cell
b. bacterial cell
c. protozoan cell
d. plant cell
____ 27. Cell organelle labeled #2 is a:
a. vacuole
b. nucleus
c. chloroplast
d. mitochondrion
____ 28. Cell organelle labeled #3 is a:
a. vacuole
b. nucleus
c. chloroplast
d. mitochondrion
Photosynthesis
Answer Section
TRUE/FALSE
1.
2.
3.
4.
5.
6.
7.
8.
T
T
F
T
F
F
F
T
MULTIPLE CHOICE
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
C
C
A
D
A
C
D
D
D
C
D
A
C
C
B
A
B
D
C
D