Review Questions
PLANTS AND PHOTOSYNTHESIS
1. Photosynthetic organisms such as plants and algae make very few
contributions to other life forms on earth.
A. True
B. False
2. Plants and algae use energy from the sun to produce organic molecules.
A. True
B. False
3. While carrying out photosynthesis, plants give off ________.
A. carbon dioxide
B. oxygen
C. water
D. All of the above.
4. ________ is required for photosynthesis to proceed.
A. carbon dioxide
B. light energy
C. water
D. All of the above.
5. In photosynthesis, ________ converted into chemical bond energy.
A. sugar is
B. chemicals are
C. light energy is
D. oxygen molecules are
6. Plants and algae provide ________.
A. an important link in the food chain
B. oxygen to the atmosphere
C. Both A and B.
D. Neither A nor B
CHLOROPLASTS AND PIGMENTS
7. Chloroplasts are the organelles in which photosynthesis takes place.
A. True
B. False
8. Outside of chloroplasts are disc-shaped structures known as thylakoids.
A. True
B. False
9. A stack of thylakoids is known as ________ and several stacks together
make up ________.
A. an organ, an organelle
B. a pigment, an antenna assembly
C. a photosynthetic group, a photosynthetic cluster
D. None of the above.
10. Within the chloroplast is a thick fluid known as ________.
A. granna
B. grannum
C. stroma
D. stromum
11. Found within thylakoid membranes are ________ which can absorb
light.
A. electrons
B. chloroplasts
C. pigments
D. water molecules
12. Green plants do not absorb ________ light.
A. yellow
B. green
C. red
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13. Chlorophyll a is ________.
A. a pigment found only in bacteria
B. a bacteria found only in plants
C. unable to absorb light in the visible part of the spectrum
D. the main photosynthetic pigment
THE LIGHT REACTIONS
14. ATP and NADPH are special, energy-storing molecules.
A. True
B. False
15. The first series of reactions in photosynthesis takes its name from the
fact that ________.
A. light is required
B. light is not required
C. the reagents have very little weight
16. When ________ is split, ________ is released into the atmosphere.
A. oxygen, water
B. oxygen, hydrogen
C. water, oxygen
D. water, hydrogen
THE CALVIN CYCLE
17. In the Calvin Cycle no light is required
A. True
B. False
18. The Calvin Cycle leads to the production of organic molecules such as
glucose
A. True
B. False
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19. ATP and NADPH produced during the light reactions are not involved in
the Calvin Cycle.
A. True
B. False
20. The dark reactions are often referred to as the ________ Cycle.
A. Krebs
B. Calvin
C. Coolidge
D. Glucose
21. Plants use ________ in the production of glucose.
A. ATP
B. NADPH
C. CO2
D. All of the above.
22. Glucose contains ________ carbon atoms
A. a pair of
B. four
C. six
D. eight
CELL RESPIRATIONAND ATP
23. The process of converting food into a usable source of energy is called
cellular respiration.
A. True
B. False
24. Many organisms are able to survive without producing energy.
A. True
B. False
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25. The energy used to fuel the chemical reactions inside of your body is in
the form of
A. food
B. ADP
C. ATP
D. protein
26. This energy molecule used in fueling the chemical reactions inside of
your body is composed of ________.
A. meats, fruits, and vegetables
B. an adenosine molecule connected to 2 phosphate groups
C. an adenosine molecule connected to 3 phosphate groups
D. amino acids linked together in polypeptides
27. Energy used in fueling these reactions is stored ________.
A. in refrigerators
B. in the bond between the first and second phosphate group
C. in the bond between the second and third phosphate group
D. in the bonds connecting each amino acid
Overview: Comparison of Photosynthesis and Cellular Respiration
Photosynthesis
Cellular Respiration
Function
Energy
Organelle Location
Reactants
Products
Equation
Need Light ?
Organisms
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