Multiple Choice Questions
- An anaerobic process does NOT require
A.water.
B. oxygen.
C. energy.
D. phosphate.
Bloom’s Level: Remember
Learning Outcome: Explain the role of oxygen in aerobic respiration.
Section: 06.01
Topic: Cellular Respiration
- Aerobic cellular respiration requires the use of
A.N2.
B. O2.
C. H2.
D. H2O.
Bloom’s Level: Remember
Learning Outcome: Explain the role of oxygen in aerobic respiration.
Section: 06.01
Topic: Cellular Respiration
- ____ is NOT a product of the Kreb cycle.
A.Pyruvic acid
B. ATP
C. NADH2 and FADH2
D. CO2
Bloom’s Level: Remember
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.02
Topic: Cellular Respiration
- ____ is NOT a stage of cellular respiration.
A.The Krebs cycle
B. The electron transport system
C. The Calvin cycle
D. Glycolysis
Bloom’s Level: Remember
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.02
Topic: Cellular Respiration
- Oxygen is NOT necessary for
A.anaerobic cellular respiration.
B. aerobic cellular respiration.
C. electron transport system.
D. All require oxygen.
Bloom’s Level: Remember
Learning Outcome: Explain the role of oxygen in aerobic respiration.
Section: 06.01
Topic: Cellular Respiration
- A reaction that requires oxygen is called
A.aerobic.
B. synthesis.
C. phosphorylation.
D. anaerobic.
Bloom’s Level: Remember
Learning Outcome: Explain the role of oxygen in aerobic respiration.
Section: 06.01
Topic: Cellular Respiration
- The end product of glycolysis is
A.ketone.
B. alcohol.
C. pyruvic acid.
D. lactic acid.
Bloom’s Level: Remember
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- Your cells most readily obtain energy from
A.C6H12O6.
B. Glyceraldehyde-3-phosphate.
C. ATP.
D. NADH2.
Bloom’s Level: Understand
Learning Outcome: Describe the differences between autotrophs and heterotrophs.
Section: 06.01
Topic: Cellular Respiration
- The total (gross) number of ATPs produced from glycolysis is estimated to be
A.thirty-six.
B. thirty-four.
C. two.
D. four.
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.04
Topic: Cellular Respiration
- During glycolysis, a six-carbon sugar is converted to
A.three two-carbon sugars.
B. glucose.
C. two pyruvic acid molecules.
D. a disaccharide.
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- In glycolysis, the net profit of ATP from one six-carbon sugar is
A.one.
B. two.
C. three.
D. four.
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- Glucose + NAD+ + ADP + P ® NADH + Pyruvic Acid + ATP. This formula represents
A.the Krebs cycle.
B. photosynthesis.
C. glycolysis.
D. the light-dependent reactions.
Bloom’s Level: Evaluate
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- Conversion of a six-carbon carbohydrate to two pyruvic acid molecules with accompanying reactions that release ATP and hydrogen atoms is called
A.glycolysis.
B. Krebs cycle.
C. electron transport system.
D. carbon fixation.
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- Chemosynthesis is
A.a form of photosynthesis.
B. a way some autotrophs make organic matter.
C. a product of the Krebs cycle.
D. present only in animals.
Bloom’s Level: Remember
Learning Outcome: List the sources of energy used by chemosynthetic and photosynthetic organisms.
Section: 06.01
Topic: Cellular Respiration
- A form of metabolism used by prokaryotic organisms is
A.chemosynthesis.
B. photosynthesis.
C. anaerobic respiration.
D. All of these answers are correct.
Bloom’s Level: Remember
Learning Outcome: List the sources of energy used by chemosynthetic and photosynthetic organisms.
Section: 06.01
Topic: Cellular Respiration
- The Krebs cycle requires
A.a four-carbon acid.
B. coenzyme A (CoA).
C. an acetyl group (2C).
D. All of these answers are true.
Bloom’s Level: Understand
Learning Outcome: List the sources of energy used by chemosynthetic and photosynthetic organisms.
Section: 06.03
Topic: Cellular Respiration
- The Krebs cycle produces
A.carbon dioxide.
B. phosphate.
C. acetyl.
D. CoA.
Bloom’s Level: Remember
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- Acetyl can be produced directly from
A.CoA.
B. glucose.
C. proteins.
D. pyruvic acid.
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- Acetyl is used during
A.the Krebs cycle.
B. the electron transport system.
C. glycolysis.
D. fermentation.
Bloom’s Level: Remember
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- Hydrogens are combined with oxygen at the completion of
A.glycolysis.
B. fermentation.
C. the Krebs cycle.
D. the electron transport system.
Bloom’s Level: Remember
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- The first material to enter the Krebs cycle is
A.oxygen.
B. glucose.
C. acetyl-CoA.
D. citric acid.
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- The Krebs cycle releases
A.carbon.
B. ADP.
C. hydrogen.
D. phosphate.
Bloom’s Level: Remember
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- CoA transports
A.pyruvic acid.
B. acetyl.
C. oxygen.
D. glucose.
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- In the electron transport system, hydrogen ultimately combines with
A.carbohydrates.
B. phosphate.
C. oxygen.
D. water.
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- The largest amount of energy is obtained from
A.the Krebs cycle.
B. glycolysis.
C. fermentation.
D. the electron transport system.
Bloom’s Level: Remember
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- ATP is produced by
A.the electron transport system.
B. The Krebs cycle.
C. glycolysis.
D. All of the choices are correct.
Bloom’s Level: Remember
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- In the electron transport system, the final hydrogen (electron) acceptor is
A.oxygen.
B. ATP.
C. acetyl.
D. NAD.
Bloom’s Level: Remember
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- In comparing aerobic and anaerobic cellular respiration, how much more effective is aerobic cellular respiration in net energy release?
A.18 times (36 ATP:2 ATP)
B. 20 times (40 ATP:2 ATP)
C. 2 times (4 ATP:2 ATP)
D. 17 times (34 ATP:2 ATP)
Bloom’s Level: Analyze
Learning Outcome: Compare the biochemical pathways utilized and the energy yield of aerobic and anaerobic cellular respiration.
Section: 06.04
Section: 06.05
Topic: Cellular Respiration
- If you have a molecule of table sugar, which consists of two six-carbon simple sugars hooked together, what is the maximum net ATP gain you could expect from aerobic cellular respiration?
A.36 ATP
B. 72 ATP
C. 4 ATP
D. 23 ATP
Bloom’s Level: Analyze
Learning Outcome: Compare the biochemical pathways utilized and the energy yield of aerobic and anaerobic cellular respiration.
Section: 06.03
Topic: Cellular Respiration
- If no oxygen is present, the electron transport system
A.stops.
B. accelerates.
C. produces ethyl alcohol.
D. obtains oxygen from available water.
Bloom’s Level: Understand
Learning Outcome: Explain the role of oxygen in aerobic respiration.
Section: 06.03
Topic: Cellular Respiration
- The result of the complete breakdown of glucose during aerobic cellular respiration in eukaryotic cells will yield a net gain of
A.two ATP.
B. four ATP.
C. thirty-six ATP.
D. forty-two ATP.
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- In eukaryotic cells, the hydrogens that go through the electron transport system from one sugar (glucose) molecule produce
A.six ATPs.
B. eight ATPs.
C. seventy-six ATPs.
D. thirty-two ATPs.
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- Lactic acid is formed by combining
A.pyruvic acid and hydrogen.
B. CO2 and hydrogen.
C. ethyl alcohol and hydrogen.
D. pyruvic acid and oxygen.
Bloom’s Level: Remember
Learning Outcome: Describe two variations of anaerobic respiration.
Section: 06.05
Topic: Cellular Respiration
- In fermentation,
A.hydrogen combines with pyruvic acid.
B. pyruvic acid is changed to an amino acid.
C. sugar is changed to acetyl.
D. pyruvic acid is converted to hydrogen.
Bloom’s Level: Understand
Learning Outcome: Describe two variations of anaerobic respiration.
Section: 06.05
Topic: Cellular Respiration
- The relationship between lactic acid and pyruvic acid is that
A.lactic acid is formed only in milk.
B. lactic acid is formed from pyruvic acid in fermentation.
C. one has phosphate and the other doesn’t.
D. one is twice as big (6 carbons) as the other (3 carbons).
Bloom’s Level: Remember
Learning Outcome: Describe two variations of anaerobic respiration.
Section: 06.05
Topic: Cellular Respiration
- In fermentation, yeast produces
A.ethyl alcohol.
B. oxygen.
C. hydrogen.
D. All of these answers are true.
Bloom’s Level: Remember
Learning Outcome: Describe two variations of anaerobic respiration.
Section: 06.05
Topic: Cellular Respiration
- Complete this equation:
Pyruvic Acid + Hydrogen ® Carbon Dioxide + ____.
A.Oxygen
B. Acetyl
C. Ethyl alcohol
D. Light
Bloom’s Level: Apply
Learning Outcome: Describe two variations of anaerobic respiration.
Section: 06.05
Topic: Cellular Respiration
- When an amino acid is converted to a keto acid, it
A.gains nitrogen.
B. becomes a fatty acid.
C. loses nitrogen.
D. becomes a pyruvic acid.
Bloom’s Level: Understand
Learning Outcome: List subunits from fats and proteins that are metabolized by aerobic respiration.
Section: 06.06
Topic: Cellular Respiration
- In the metabolism of a fatty acid to obtain energy, one of the first steps is that the fatty acid is broken down to
A.acetyl.
B. glycerol.
C. glyceraldehyde-3-phosphate.
D. a keto acid.
Bloom’s Level: Understand
Learning Outcome: List subunits from fats and proteins that are metabolized by aerobic respiration.
Section: 06.06
Topic: Cellular Respiration
- In converting carbohydrates into fats, acetyl molecules are combined to form
A.amino acid.
B. glycerol.
C. fatty acid.
D. keto acid.
Bloom’s Level: Understand
Learning Outcome: Describe how energy is derived from fats and proteins.
Section: 06.06
Topic: Cellular Respiration
- In the interconversion of foods, which would be the simplest conversion?
A.protein to fats
B. fats to energy
C. carbohydrates to glyceraldehyde-3-phosphate
D. amino acids to energy
Bloom’s Level: Evaluate
Learning Outcome: Describe how energy is derived from fats and proteins.
Section: 06.06
Topic: Cellular Respiration
- Oxygen is required for ____________ to take place.
A.the electron transfer system
B. light-dependent reactions
C. light-independent reactions
D. glycolysis
Bloom’s Level: Remember
Learning Outcome: Explain the role of oxygen in aerobic respiration.
Section: 06.03
Topic: Cellular Respiration
- Carbohydrates can be converted into
A.glycerol.
B. fatty acids.
C. amino acids.
D. All of these answers are true.
Bloom’s Level: Remember
Learning Outcome: List subunits from fats and proteins that are metabolized by aerobic respiration.
Section: 06.06
Topic: Cellular Respiration
- Which of the following metabolic processes involves enzymes located in the membranes of mitochondria?
A.glycolysis
B. Krebs cycle
C. electron transport system
D. All of these answers are correct.
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- All of the following molecules can be stored by cells of your body for later use except
A.carbohydrates.
B. fats.
C. proteins.
D. None of these molecules can be stored.
Bloom’s Level: Remember
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- Before fats can be metabolized in aerobic cellular respiration they must be converted to
A.simple sugars.
B. fatty acids and glycerol.
C. amino acids.
D. fatty acids and amino acids.
Bloom’s Level: Understand
Learning Outcome: Describe how energy is derived from fats and proteins.
Section: 06.06
Topic: Cellular Respiration
- Complex carbohydrates are digested to
A.simple sugars.
B. amino acids.
C. proteins.
D. fatty acids.
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- Fats are digested to form
A.amino acids and energy.
B. fats.
C. fatty acids and glycerol.
D. simple sugars.
Bloom’s Level: Understand
Learning Outcome: Describe how energy is derived from fats and proteins.
Section: 06.06
Topic: Cellular Respiration
- The digestion of a protein results in
A.sugars.
B. enzymes.
C. amino acids.
D. the formation of peptide bonds.
Bloom’s Level: Remember
Learning Outcome: Describe how energy is derived from fats and proteins.
Section: 06.06
Topic: Cellular Respiration
- When a carbohydrate is digested, what is the product?
A.energy
B. simple sugars
C. amino groups
D. glycerol and fatty acids
Bloom’s Level: Remember
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- Glycolysis takes place in the
A.mitochondria.
B. cytoplasm.
C. grana.
D. stroma.
Bloom’s Level: Remember
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- Organisms able to make food molecules from inorganic materials and sun energy are
A.autotrophs.
B. aerobic.
C. anaerobic.
D. heterotrophs.
Bloom’s Level: Remember
Learning Outcome: Describe the differences between autotrophs and heterotrophs.
Section: 06.01
Topic: Cellular Respiration
- Aerobic cellular respiration differs from anaerobic cellular respiration in that
A.anaerobic cellular respiration only takes place in plants.
B. aerobic cellular respiration takes place in mitochondria.
C. anaerobic cellular respiration produces more ATP.
D. aerobic cellular respiration only uses glycolysis.
Bloom’s Level: Understand
Learning Outcome: Compare the biochemical pathways utilized and the energy yield of aerobic and anaerobic cellular respiration.
Section: 06.01
Topic: Cellular Respiration
- Which of the following processes produces the most ATP?
A.glycolysis
B. Krebs cycle
C. electron transport system
D. anaerobic cellular respiration
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- Which one of the following is NOT required for aerobic cellular respiration to take place?
A.enzymes
B. NAD
C. oxygen
D. carbon dioxide
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- Aerobic cellular respiration takes place in
A.both plants and animals.
B. animals but not plants.
C. plants but not animals.
D. bacteria only.
Bloom’s Level: Remember
Learning Outcome: Compare the biochemical pathways utilized and the energy yield of aerobic and anaerobic cellular respiration.
Section: 06.03
Topic: Cellular Respiration
- Aerobic cellular respiration differs from anaerobic respiration in that
A.aerobic cellular respiration only takes place in plants.
B. anaerobic cellular respiration requires the presence of mitochondria.
C. aerobic cellular respiration produces more ATP.
D. anaerobic cellular respiration only uses the electron transport system.
Bloom’s Level: Analyze
Learning Outcome: Compare the biochemical pathways utilized and the energy yield of aerobic and anaerobic cellular respiration.
Section: 06.02
Topic: Cellular Respiration
- What is happening here? “W” represents any molecule and e– represents an electron.
W ® W+ + e–
A. oxidation of W
B. reduction of W
C. hydrolysis of W
D. None of these choices is correct.
Bloom’s Level: Analyze
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- The following (C6 ® 2 C3) best represents
A.glycolysis.
B. Krebs cycle.
C. electron transport system.
D. All of these choices are correct.
Bloom’s Level: Remember
Learning Outcome: Compare the biochemical pathways utilized and the energy yield of aerobic and anaerobic cellular respiration.
Section: 06.03
Topic: Cellular Respiration
- The following (C2 ® CO2 + H+ + e–) represents
A.glycolysis.
B. Krebs cycle
C. electron transport system.
D. None of these choices is correct.
Bloom’s Level: Analyze
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- The following list of products is from which portion of aerobic cellular respiration?
8 NAD+ 32 ATP 4 FAD 12 H2O
A.glycolysis
B. Krebs cycle
C. electron transport system
D. fermentation
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- Which contains the greatest amount of potential energy?
A.C6H12O6 (glucose)
B. C48H82O41 (complex carbohydrate)
C. CH3CH2COOH (pyruvic acid)
D. CO2 (carbon dioxide)
Bloom’s Level: Evaluate
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- Which process takes place outside of cells?
A.aerobic cellular respiration
B. anaerobic cellular respiration
C. light-dependent reactions
D. digestion
Bloom’s Level: Remember
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- “OUCH!! My muscles are really sore! I’ve been exercising at such a frantic rate that . . .”
A.my muscle cells have shifted into anaerobic metabolism and I’m making lactic acid that causes them to ache.
B. I’m producing lactic acid that, once I slow down, will make its way back to my liver where it will be converted back into glucose.
C. I need to get more O2 to my muscle cells.
D. All of these choices are true.
Bloom’s Level: Evaluate
Learning Outcome: Describe two variations of anaerobic respiration.
Section: 06.05
Topic: Cellular Respiration
- Which of the following would NOT be synthesized during anaerobic cellular respiration from pyruvic acid?
A.ethyl alcohol and CO2
B. lactic acid
C. acetyl
D. acetic acid
Bloom’s Level: Evaluate
Learning Outcome: Compare the biochemical pathways utilized and the energy yield of aerobic and anaerobic cellular respiration.
Section: 06.05
Topic: Cellular Respiration
- Without oxygen in a eukaryotic aerobic cell,
A.glycolysis will stop.
B. the Krebs cycle will speed up.
C. the mitochondria will shut down.
D. proteins will be spared.
Bloom’s Level: Understand
Learning Outcome: Explain the role of oxygen in aerobic respiration.
Section: 06.05
Topic: Cellular Respiration
- CO2 is produced
A.when acetyl is formed.
B. during the Krebs cycle.
C. inside mitochondria.
D. All of the choices are correct.
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.03
Topic: Cellular Respiration
- The rate of alcohol absorption depends on
A.the amount of food in the stomach.
B. drugs taken with the alcohol.
C. the amount of strenuous physical exercise.
D. All of the choices are correct.
Bloom’s Level: Evaluate
Learning Outcome: Describe the reactants and products of glycolysis, the Krebs cycle, and the electron-transport system.
Section: 06.05
Topic: Cellular Respiration
- Which symptom best indicates anaerobic cellular respiration in human muscle cells?
A.pain
B. sweating
C. redness
D. cooling of the skin
Bloom’s Level: Understand
Learning Outcome: Describe two variations of anaerobic respiration.
Section: 06.05
Topic: Cellular Respiration
- Which is true of cheese?
A.It is the result of aerobic fermentation.
B. It contains lactic acid.
C. It is spoiled milk.
D. All of the above are correct.
Bloom’s Level: Evaluate
Learning Outcome: Describe two variations of anaerobic respiration.
Section: 06.05
Topic: Cellular Respiration
Chapter 07
Biochemical Pathways – Photosynthesis
Multiple Choice Questions
- Energy gathering or concentrating mechanisms that allow light to be collected more efficiently during photosynthesis are called
A.mitochondria.
B. photosystems.
C. light-independent reactions.
D. ribulose.
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.01
Section: 07.03
Topic: Photosynthesis
- The ATP and NADPH produced in the light-dependent reaction stage
A.become reactants for cellular respiration.
B. are waste products that the plant eliminates.
C. become the raw materials for the light-independent reaction stage.
D. are the end products of photosynthesis.
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.03
Topic: Photosynthesis
- A correct equation for photosynthesis is
A.SUN + 6O2 + 6CO2 ® C6H12O6 + 6H2O.
B. SUN + C6H12O6 + 6O2 ® 6CO2 + 6H2O.
C. SUN + 6CO2 + 6H2O ® C6H12O6 + 6O2.
D. SUN + 6CO2 ® 6H2O + C6H12O6 + 6O2.
Bloom’s Level: Remember
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.02
Topic: Photosynthesis
- The molecule that traps the sun’s energy is
A.ATP.
B. glyceraldehyde-3-phosphate.
C. chloroplast.
D. chlorophyll.
Bloom’s Level: Remember
Learning Outcome: Explain the role of pigments in photosynthesis.
Section: 07.02
Topic: Photosynthesis
- O2 is a product of the
A.light-dependent reactions.
B. light-independent reactions.
C. light-capturing events
D. All of the choices are correct.
Bloom’s Level: Remember
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.02
Section: 07.03
Topic: Photosynthesis
- Glyceraldehyde-3-phosphate is an end product of
A.light-dependent reactions.
B. light-independent reactions.
C. glycolysis.
D. the electron transport system.
Bloom’s Level: Remember
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.03
Topic: Photosynthesis
- The production of ATP occurs
A.as hydrogen ions move across membranes.
B. in chloroplasts.
C. in mitochondria.
D. in all of the choices listed.
Bloom’s Level: Remember
Learning Outcome: Describe other aspects of plant metabolism.
Section: 07.03
Topic: Photosynthesis
- During the light-independent reactions of photosynthesis,
A.glyceraldehyde-3-phosphate is produced.
B. ADP is produced.
C. NADP+ is produced.
D. All of the choices are correct.
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.03
Topic: Photosynthesis
- In photosynthesis C3, plants differ from C4 plants in
A.the way they capture light.
B. the way they capture carbon dioxide.
C. the kind of chlorophylls they have.
D. None of the choices is correct.
Bloom’s Level: Analyze
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.03
Topic: Photosynthesis
- Which of the following kinds of organisms can manufacture the greatest variety of organic compounds?
A.aerobic bacteria
B. anaerobic bacteria
C. animals
D. plants
Bloom’s Level: Remember
Learning Outcome: Describe other aspects of plant metabolism.
Section: 07.04
Topic: Photosynthesis
- Crassulacean acid metabolism (CAM) is a form of photosynthesis that
A.encourages the light-independent reactions to take place at night.
B. allows photosynthesis to take place without water.
C. encourages the light-dependent reactions to take place at night.
D. allows photosynthesis to take place without carbon dioxide.
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.03
Topic: Photosynthesis
- The light-independent reactions of photosynthesis (Calvin cycle) take place in the
A.thylakoids.
B. cytoplasm.
C. grana.
D. stroma.
Bloom’s Level: Remember
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.03
Topic: Photosynthesis
- The light-capturing events of photosynthesis involve
A.the stroma.
B. mitochondria
C. cytoplasm.
D. chlorophyll.
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.03
Topic: Photosynthesis
- This portion of photosynthesis is a series of oxidation-reduction reactions during which light energy is transferred to electrons so that the electrons move more rapidly.
A.light-dependent reactions
B. proton pump
C. light capturing events
D. light-independent reactions
Bloom’s Level: Evaluate
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.03
Topic: Photosynthesis
- ATP, NADPH, CO2, and a five-carbon starter molecule called ribulose are needed for the _____________________ of photosynthesis to occur.
A.light-dependent reactions
B. light-independent reactions
C. light-capturing events
D. All of the choices are correct.
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.03
Topic: Photosynthesis
- Almost 80% of this molecule is used to regenerate ribulose so that photosynthesis can continue. The remaining 20% is used by the plant to make other organic molecules.
A.pyruvic acid
B. acetyl CoA
C. glyceraldehyde-3-phosphate
D. glucose
Bloom’s Level: Apply
Learning Outcome: Explain the role of glyceraldehyde-3-phosphate in plant metabolism.
Section: 07.03
Topic: Photosynthesis
- ____ is NOT part of photosynthesis.
A.Trapping the sun’s energy
B. Converting glyceraldehyde-3-phosphate into usable energy
C. Splitting water molecules
D. Bonding carbon dioxide to ribulose
Bloom’s Level: Evaluate
Learning Outcome: Explain the role of glyceraldehyde-3-phosphate in plant metabolism.
Section: 07.03
Topic: Photosynthesis
- Water molecules are a reactant for
A.the electron transport system.
B. the light-independent reactions.
C. the light-dependent reactions.
D. glycolysis.
Bloom’s Level: Remember
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.03
Topic: Photosynthesis
- ____ take(s) place within the grana.
A.The light-dependent reactions
B. The light-independent reactions
C. The entire photosynthesis process
D. Aerobic cellular respiration
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.03
Topic: Photosynthesis
- Glyceraldehyde-3-phosphate can do all of the following except
A.be converted to usable energy for the cell.
B. manufacture lipids.
C. produce trace elements required for plant growth (nitrogen, magnesium, phosphorus, etc.).
D. be converted to ribulose.
Bloom’s Level: Understand
Learning Outcome: Explain the role of glyceraldehyde-3-phosphate in plant metabolism.
Section: 07.03
Topic: Photosynthesis
- The oxygen produced by a plant comes most directly from
A.CO2.
B. H2O.
C. C6H12O6.
D. glyceraldehyde-3-phosphate.
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.03
Topic: Photosynthesis
- ____ is NOT needed for the light-dependent reactions.
A.NADP
B. ADP + P
C. H2O
D. CO2
Bloom’s Level: Remember
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.03
Topic: Photosynthesis
- Two products of the light-dependent reactions, which become reactants for the light-independent reactions, are
A.ATP and NADP.
B. CO2 and H2O.
C. O2 and ATP.
D. ATP and NADPH2.
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.03
Topic: Photosynthesis
- The process of photosynthesis requires the raw materials
A.O2 and H2O.
B. CO2 and H2O.
C. sugar and CO2.
D. H2O and sugar.
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.02
Topic: Photosynthesis
- For the light-independent reactions to continue, glyceraldehyde-3-phosphate must be converted into
A.ribulose.
B. carbon dioxide.
C. ATP.
D. glucose.
Bloom’s Level: Understand
Learning Outcome: Explain the role of glyceraldehyde-3-phosphate in plant metabolism.
Section: 07.03
Topic: Photosynthesis
- Which one of the following is NOT required for photosynthesis to take place?
A.enzymes
B. ATP
C. oxygen
D. carbon dioxide
Bloom’s Level: Remember
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.03
Topic: Photosynthesis
- Photosynthesis takes place in
A.both plants and animals.
B. animals but not plants.
C. plants but not animals.
D. bacteria only.
Bloom’s Level: Remember
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.01
Topic: Photosynthesis
- Which of the following tests would be the best for determining if a cell were carrying on photosynthesis?
A.Does the cell contain water?
B. Does the cell produce carbon dioxide?
C. Does the cell release oxygen?
D. Does the cell require oxygen to stay alive?
Bloom’s Level: Evaluate
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.02
Section: 07.03
Topic: Photosynthesis
- Which is a general equation that summarizes the light-dependent reactions?
A.excited electrons + H2O + ADP + NADP+ ® ATP + NADPH + O2
B. ATP + NADPH + ribulose + CO2 ® ADP + NADP+ + complex organic molecule + ribulose
C. CO2 + ATP + NADH + 5-ribulose ® glyceraldehyde-3-phosphate + NADP+ + ADP + P
D. SUN + 6CO2 ® 6H2O + C6H12O6 + 6O2
Bloom’s Level: Evaluate
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.03
Topic: Photosynthesis
- Which does NOT occur in the light-independent reactions?
A.The 6-carbon molecule immediately divides into two 3-carbon molecules of glyceraldehyde-3-phosphate.
B. Hydrogens from NADPH are transferred to molecules in the Calvin cycle.
C. The 5-carbon ribulose is regenerated.
D. ADP and NAD+ are returned to the light-dependent reactions.
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.03
Topic: Photosynthesis
- This form of photosynthesis allows photosynthesis to occur in arid environments while reducing the potential for water loss.
A.Calvin cycle
B. Crassulacean acid metabolism
C. photon cycle
D. hydrologic cycle
Bloom’s Level: Remember
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.03
Topic: Photosynthesis
- Foxglove produces this valuable medicine used in the treatment of heart disease. The drug containing this compound is known as
A.digitalis.
B. aspirin.
C. acetaminophen.
D. morphine.
Bloom’s Level: Remember
Learning Outcome: Describe other aspects of plant metabolism.
Section: 07.04
Topic: Photosynthesis
- During their life spans, green plants give off more oxygen to the atmosphere than they take in for use in
A.fat metabolism.
B. respiration.
C. the Krebs cycle.
D. the Calvin cycle.
Bloom’s Level: Evaluate
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.03
Topic: Photosynthesis
- These reactions take place in the stroma in either the light or dark as long as ATP and NADPH are available.
A.light capturing events
B. light-dependent reactions
C. light-independent
D. Calvin cycle
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.03
Topic: Photosynthesis
- Which is used in photosynthesis but not in cellular respiration?
A.NAD+
B. FAD
C. cytochromes
D. NADP+
Bloom’s Level: Evaluate
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.03
Topic: Photosynthesis
- Reaction centers are located in the
A.grana.
B. thylakoid.
C. antenna complex.
D. All of the choices are correct.
Bloom’s Level: Remember
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.02
Topic: Photosynthesis
- The light energy trapped by the antenna complex is used to
A.split water into H and O.
B. produce CO2.
C. generate ribulose.
D. All of the choices are correct.
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.03
Topic: Photosynthesis
- Carbon fixation begins with carbon dioxide combining with a 5-carbon molecule,
A.glucose.
B. ribulose.
C. NADP+
D. glyceraldehyde-3-phosphate.
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.03
Topic: Photosynthesis
- Proton pumps are used in photosynthesis
A.to pump protons into the thylakoid.
B. between photosystem II and photosystem I.
C. during the light-dependent reaction sequence.
D. All of the choices are correct.
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.03
Topic: Photosynthesis
- Which wavelengths of light are most likely to be absorbed by chlorophyll a?
A.UV
B. blue
C. red
D. infrared
Bloom’s Level: Remember
Learning Outcome: Explain the role of pigments in photosynthesis.
Section: 07.03
Topic: Photosynthesis
- Which wavelengths of light are most likely to be absorbed by chlorophyll b?
A.UV
B. blue
C. red
D. infrared
Bloom’s Level: Remember
Learning Outcome: Explain the role of pigments in photosynthesis.
Section: 07.03
Topic: Photosynthesis
- Thylakoids are found in
A.chloroplasts
B. mitochondria
C. liver cells
D. fungal cells
Bloom’s Level: Remember
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.03
Topic: Photosynthesis
- It is assumed that the chloroplasts of eukaryotes are evolved from
A.animal cells.
B. photosynthetic bacteria.
C. algal cells.
D. fungal cells.
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.05
Topic: Photosynthesis
- In this kind of photosynthesis, carbon dioxide does not directly enter the Calvin cycle but is carried out in two steps and two different kinds of cells.
A.crassulacean acid metabolism
B. C3
C. C4
D. C5
Bloom’s Level: Analyze
Learning Outcome: Describe other aspects of plant metabolism.
Section: 07.03
Topic: Photosynthesis
- Keeping a plant under green light will
A.result in its death.
B. increase the rate of photosynthesis.
C. cause it to lose its accessory pigments.
D. cause it to set flowers.
Bloom’s Level: Evaluate
Learning Outcome: Explain the role of pigments in photosynthesis.
Section: 07.03
Topic: Photosynthesis
- Protons are pumped in which stage of photosynthesis?
A.light-capturing
B. light-dependent reactions
C. light-independent reactions
D. glycolysis
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.03
Topic: Photosynthesis
True / False Questions
- Ultimately all organisms are dependant on photosynthesis for their food.
TRUE
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.01
Topic: Photosynthesis
- Recent scientific data shows that an increase in atmospheric carbon dioxide levels leads to an increase in photosynthesis and therefore an increase in food production.
FALSE
Bloom’s Level: Apply
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.03
Topic: Photosynthesis
- Being very specific, the actual end product of photosynthesis is RuBisCO.
FALSE
Bloom’s Level: Understand
Learning Outcome: Describe the reactants and products of the light-dependent and light-independentreactions of photosynthesis.
Section: 07.03
Topic: Photosynthesis
