Photosynthesis & Cell Respiration Test 10-11
Multiple Choice
Identify the choice that best completes the statement or answers the question.
1. Which of the following makes the BEST connection between anabolism, catabolism, enzymes, and cell
metabolism? (1a, 2)
A) In cell metabolism, the catabolic reactions that break down molecules and the anabolic
reactions that make molecules are catalyzed by enzymes.
B) In cell metabolism, the reactions that occur would not happen fast enough without
enzymes to speed them up.
C) In cell metabolism, catabolism and anabolism are both helped by enzymes, and a cell’s
metabolism is all of the chemical reactions in a cell.
D) In cell metabolism, a cell’s metabolism is run by catabolic and anabolic chemical
reactions, which ionvolve enzymes.
2. If someone is poisoned with arsenic, this heavy metal stops the enzyme that turns pyruvate, a 3-carbon sugar, into
acetly-CoA, a 2-carbon compound, from doing its job. Based on this information, which of the statements below is
TRUE? (3a, 3)
A) Glucose cannot be broken down via an anabolic pathway.
B) Pyruvate will not be made in this chemical reaction.
C) The catabolic reactions that will finish stripping glucose of its electrons will not take
place.
D) The Krebs cycle will still take place, but the electron transport chain will not have the
electrons it needs to run the anabolic reaction of making ATP.
3. Study the diagram above of an ATP molecule. What is the name of the structure labeled B? (1b, 2)
A)
B)
C)
D)
adenine
ribose
glucose
phosphate group
4. Study the diagram above. If part D was broken off of the molecule, which of the following is an accurate
statement? (1b, 3)
A)
B)
C)
D)
The molecule would have more energy.
The molecule would only have one phosphate group.
The molecule would have been used to do a cell’s work.
The molecule can be used to power anabolic reactions.
5. Study the diagram above. Which of the statements below BEST summarizes what is occurring in the diagram?
(1c, 2)
A) ATP is being broken down for energy.
B) ATP is being made using energy.
C) ATP is being made using a catabolic process, and an enzyme is helping by speeding up the
chemical reaction so the cell will not die.
D) ATP is releasing energy if the diagram is read from left to right; ADP is taking in energy
to form ATP if the diagram is read from right to left.
6. Study the diagram above. Suppose a phosphate was removed from ADP. Which of the following statements is
true about the new molecule that would be formed? (1c, 3)
A)
B)
C)
D)
It would turn into an ATP molecule.
It would have less energy than ADP.
It would have more energy than ATP.
It could be used to do cellular work.
7. Study the organizer above. Which of the following choices below accurately puts into words what is said on the
LEFT-hand side of the organizer? (1d, 2)
A) Cell metabolism involves anabolism, which involves photosynthesis and includes ATP.
B) One part of a cell’s metabolism is anabolism, an example of which is photosynthesis,
which uses ATP to make larger molecules from small ones.
C) One part of a cell’s metabolism is anabolism, which helps photosynthesis do its job of
making and breaking down ATP for energy in cells.
D) Cell metabolism includes both catabolism and anabolism, which have photosynthesis and
cell respiration and ATP in them keeping a cell healthy.
8. Study the student organizer above. ATP and ADP are in the wrong spots. Where would they be best placed in this
Venn diagram? (ATP is in the star on the left-hand side) (1d, 3)
A)
B)
C)
D)
In anabolism.
In cell respiration.
Between anabolism and catabolism, but overlapping both.
In a separate square outside of cell metabolism.
9. Which of the following is FALSE about photosynthesis? (2a, 2)
A)
B)
C)
D)
The goal of photosynthesis is to break down sugars.
Photosynthesis occurs in the chloroplasts of plant and protist cells.
Photosynthesis has two main stages--the light reactions and the Calvin cycle.
The light reactions occur in the thylakoids, and the Calvin cycle occurs in the stroma.
10. Which of the following is NOT a molecule that the light reactions ENDS with? (2b, 2)
A)
B)
C)
D)
O2
NADPH
ATP
CO2
11. Which of the following correctly lists the molecules the Calvin cycle STARTS with? (2b, 2)
A)
B)
C)
D)
CO2, NADPH, ATP
ADP, NADP+, H2O
CO2, NADH, ATP
H2O, NADH, O2
12. Which of the following is a molecule made by the Calvin cycle? (2b, 2)
A)
B)
C)
D)
oxygen gas
ATP
sugar
carbon dioxide gas
13. Which of the following most accurately describes the light reactions in simple terms (without leaving anything
out)? (2c, 2)
A) The kinetic energy of the sun is converted to the potential energy of molecules.
B) The sun’s energy is transferred to water’s electrons, making them go down a transport
chain and using that energy to make ATP and NADPH.
C) The energy from the sun is absorbed by chlorophyll, and ATP and NADPH is made.
D) The sun’s energy is transferred to chlorophyll, which is then used to transport H+ to help
make ATP and NADPH at the end of a transport chain.
14. Which of the following most accurately describes the Calvin cycle in simple terms (without leaving anything out)?
(2c, 2)
A) The energy from ATP and NADPH are used to rearrange and form bonds between carbon
dioxide and other organic molecules to form sugars.
B) ATP and NADPH help make molecules of glucose at the end of the Calvin cycle.
C) A molecule of glucose is rearranged to release carbon dioxide and oxygen gas, and help
transfer energy into ATP and NADPH.
D) Carbon dioxide is combined with water to make molecules of glucose and oxygen gas in a
series of enzyme-catalyzed chemical reactions.
15. Plants that grow in very acidic, clay, or chalky soils often have a hard time obtaining phosphorus from the soil.
Plants suffering from phosphorus deficiency will have stunted growth, and appear sickly.
Which of the following is an accurate connection you can make between the information given above and the
process of photosynthesis? (2, 3)
A)
B)
C)
D)
A phosphorus-deficient plant cannot make enough ATP for anabolism.
The plant’s growth is stunted because the plant needs phosphorous to grow and be healthy.
Plants can’t grow well in acidic, clay, or chalky soils.
Plants that don’t get enough phosophorus cannot properly run the Krebs cycle and make
sugars.
16. Sometimes, corn plants inherit a gene that makes them albino--meaning they are all white. Which of the following
is a connection you can make between this information and the process of photosynthesis? (2, 3)
A)
B)
C)
D)
They will die because they are white and not green.
They do not have chloroplasts, and will be unable to photosynthesize.
They don’t have any pigments, so therefore the Calvin cycle cannot take place.
They can still make sugars, but cannot do it using the light reactions.
17. Which of the following is FALSE concerning cell respiration? (3a, 2)
A) The goal of cell respiration is to make ATP.
B) Cell respiration occurs in the mitochondria.
C) The three main stages of cell respiration are glycolysis, the Calvin cycle, and the electron
transport chain.
D) Glycolysis occurs in the cytoplasm; the last 2 stages of cell respiration occur in the
mitochondria.
18. Which of the following is NOT a molecule that the Krebs cycle ENDS with? (3b, 2)
A)
B)
C)
D)
CO2
FADH2
NADH
O2
19. Which of the following is NOT a molecule the electron transport chain STARTS with? (3b, 2)
A)
B)
C)
D)
CO2
NADH
ATP
O2
20. Which of the following describes what occurs during glycolysis in simple terms (without leaving anything out)?
(3c, 2)
A) Sugars are broken down and stripped of their electrons to make ATP.
B) Glucose is broken down into 2 smaller pyruvate moelcules to start the process of glucose
breakdown.
C) Glucose is broken down into several molecules of ATP and NADH, which will be used for
energy to make ATP later.
D) Sugars are broken down into electrons in order to throw them down the electron transport
chain.
21. Which of the following describes what occurs during the Krebs cycle in simple terms (without leaving anything
out)? (3c, 2)
A) Pyruvate is first converted to another molecule; it is that molecule that is stripped of
electrons for the electron transport chain.
B) Pyruvate is broken down completely to make carbon dioxide as a waste product and ATP.
C) Glucose is broken down and ATP is made from it using an electron transport chain.
D) Glucose is combined with carbon dioxide to make ATP and NADH, which take their
energy to the electron transport chain.
22. Which of the following describes what happens in the electron transport chain in simpler terms (without leaving
anything out)? (3c, 2)
A) ADP and FADH2 are used to make ATP and water at the end of the chain.
B) NADH is used to put electrons down the chain to make water at the very end.
C) FADH2 and NADH toss electrons down the chain to make ATP; oxygen catches the
electrons to form water.
D) Oxygen gas is used to make water and ATP at the end of the chain from NADH and
FADH2.
23. Study the diagram of the electron transport chain. Notice that the hydrogen ions (H+) are transported to the
intermembrane space through the components of the electron transport chain itself, and can only enter back into the
matrix through ATP synthase in order to participate in ATP synthesis.
Suppose that the inner mitochondrial membrane was made permeable to H+ so that it could cross back into the
matrix at places along the inner mitochondrial membrane OTHER than just through ATP synthase. Which of the
following would be an accurate prediction of what would happen? (3, 3)
A)
B)
C)
D)
FADH2 would not be made.
Water would not be made.
NADH could not be used for electrons.
Much less ATP would be made.
24. Study the diagram of the Krebs cycle above.
Suppose that the acetyl-CoA is never formed. Which of the following is most likely to occur? (3, 3)
A)
B)
C)
D)
FAD would not be made.
Less NADH would be made.
No CO2 would be released.
Carbon atoms would not be released.
Short Answer
25. Write an analogy for the following stages of photosynthesis. (2c, 3)
Your analogy MUST be written in this format: (Stage) works like __________________ because
____________________.
Stage of
photosynthesis
Light reactions
Creative and original and analogy
Calvin cycle
26. Write an analogy for the following stages of cell respiration. (3c, 3)
Your analogy MUST be written in this format: (Stage) works like __________________ because
____________________.
Stage of cell
respiration
Glycolysis
Creative and original and analogy
Krebs cycle
Electron transport
chain
27. Fill in the chart below with differences (one the same basis) between photosynthesis and cell respiration. (4a, 3)
**You must have 3 differences and 3 similarities; be sure to write Level 3 differences.
Photosynthesis
Cell Respiration
Photosynthesis & Cell Respiration Test 10-11
Answer Section
MULTIPLE CHOICE
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
ANS:
A
C
B
C
D
B
B
C
A
D
A
C
B
A
A
B
C
D
A
B
A
C
D
B
SHORT ANSWER
25. ANS:
vary
PTS: 1
26. ANS:
vary
PTS: 1
27. ANS:
Vary
PTS: 1
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
PTS:
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
OBJ: 8.3.1