Full Name ______________________________
Photosynthesis Overview Practice Quiz
Period ______ Date __________
_______ 1. Light, heat, and electricity are forms of
A. molecules
B. atoms
C. energy
D. chemicals
_______ 2. Chemical energy is the energy stored in
A. chemical bonds B. sunlight
C. fire
D. heat
_______ 3. The molecule used by cells to provide short-term energy storage is
A. water (H2O)
B. Oxygen (O2)
C. ATP
D. Carbon dioxide (CO2)
_______ 4. The molecule used by cells to store large amounts of energy for a long time is
A. ATP
B. ADP
C. water (H2O)
D. glucose (C6H12O6)
_______ 5. ATP is made up of
A. adenine, ribose, and three phosphate groups
B. a phosphate group plus three sugars
C. the sugars glucose, fructose, and galactose
D. AMP and ADP
_______ 6. ATP
A. stores less energy than ADP
B. stores more energy than glucose
C. stores more energy than ADP
D. stores no energy
_______ 7. When cells remove energy from ATP,
A. ADP is formed
B. glucose is formed C. water is released D. oxygen is made
_______ 8. The energy cells need to make more ATP comes from
A. food
B. sunlight
C. glucose
D. all of these
_______ 9. Organisms that get food by eating other living things are called
A. autotorophs
B. heterotrophs
C. plants
D. none of these
_______ 10. Organisms that make their own food are called
A. autotrophs
B. heterotrophs
C. fungi
D. animals
_______ 11. The main energy source for life on Earth comes from
A. undersea vents B. hot springs
C. volcanoes
D. sunlight
_______ 12. Mushrooms obtain their food by decomposing organic matter. Mushrooms are
A. autotrophs
B. heterotrophs
C. animals
D. plants
_______ 13. The best-known autotrophs obtain energy through the process of
A. photosynthesis
B. decomposing
C. hunting
D. eating
_______ 14. When shades of red, orange, yellow, green, blue, indigo, and violet light are mixed,
A. blackness is produced
B. “white” light results
C. gray is produced
D. a pink color is made
_______ 15. Plants gather the sun’s energy with light-absorbing molecules called
A. ATP
B. thylakoids
C. pigments
D. stroma
_______ 16. The color(s) of light chlorophyll best absorbs is
A. green
B. orange
C. yellow
D. blue and red
_______ 17. In plants, photosynthesis takes place inside organelles called
A. mitochondria
B. nuclei
C. chloroplasts
D. Golgi bodies
_______ 18. Chlorophyll uses the energy from sunlight to
A. produce high-energy electrons from low energy electrons.
B. make water
C. make carbon dioxide
D. produce more sunlight
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Full Name ______________________________
Photosynthesis Overview Practice Quiz
Period ______ Date __________
Match letters A-G from the chloroplast to the words listed below.
B
C
A
_______ 19.
Stroma
_______ 20.
Inner membrane
_______ 21.
Thylakoid space (lumen)
_______ 22.
Granum
_______ 23.
Outer membrane
Thylakoid
Thylakoid
membrane
E
D
_______ 24. Plant cells use molecules like __ to carry high-energy electrons from chlorophyll to
other places.
A. CO2
B. NADP+
C. glucose
D. ATP
_______ 25. The reactants of photosynthesis are
A. CO2 + O2
B. H2O + sugars
C. CO2 + H2O
D. sugars + O2
_______ 26. The products of photosynthesis are
A. CO2 + O2
B. H2O + sugars
C. CO2 + H2O
D. sugars+ O2
_______ 27. Plants store glucose molecules as
A. starches
B. glycogen
C. carbon dioxide
D. water
_______ 28. A reaction of photosynthesis that uses ATP, NADPH, and carbon dioxide (CO2) to make
high-energy sugars. This reaction occurs in the stroma.
A. light-independent reaction
B. Light-dependent reaction
C. dark-dependent reaction
D. Green reaction.
_______ 29. A reaction of photosynthesis that uses light energy to make ATP and NADPH. This reaction
occurs in the thylakoid membrane.
A. light-independent reaction
B. Light-dependent reaction
C. dark-dependent reaction
D. Green reaction.
_______ 30. The reason plants are green is because
A. they absorb green light
B. they reflect red light
C. they reflect blue light
D. they reflect green light
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Photosynthesis Overview Practice Quiz
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