Photosynthesis and Cellular Respiration Practice Problems
Biology 211
Click here for excellent Cellular Respiration Questions with a Tutorial (Biology Project at the University of Arizona)
Use the following Key to answer questions 1
- 10
KEY: A. Increase PHOTOSYNTHESIS.
B. Decrease PHOTOSYNTHESIS.
C. No effect on PHOTOSYNTHESIS.
D. Will both increase and decrease
PHOTOSYNTHESIS.
Grow
a plant in red light (as compared to white light of the same intensity).
Place
a rose bush next to well-traveled gravel (i.e. dusty) road.
Give a plant more C02 during the day. (Hint: think RUBISCO)
Decrease
the amount of water given a plant during the day.
Place
a C3 plant in a hot and dry environment.
Selectively
inhibit the functioning of Beta-carotene and xanthophyll in a plant’s leaves.
Increase
the concentration of RuBP carboxylase (Rubisco) in a plant’s leaves.
Raise the pH inside the grana of a plant’s chloroplasts.......(Hint: Think chemiosmotic theory)
Increase
the concentration of oxygen in the leaves of a C3 plant.
Selectively
inhibit the action cyclic photophosphorylation.
Use the following Key to answer questions 12 - 19
KEY: A. True only for PHOTOSYNTHESIS.
B. True only for CELLULAR RESPIRATION
C. True for BOTH CELLULAR RESPIRATION and
PHOTOSYNTHESIS.
D. True for NEITHER CELLULAR RESPIRATION nor
PHOTOSYNTHESIS (False for both).
This process produces CO2.
This process will occur in the presence of light.
This process requires enzymes.
This process uses oxygen.
This process occurs in all living cells.
This process will not occur in the presence of light.
This process reduces NADP+.
The chemiosmotic theory of ATP production is
thought to occur during this process.
Use the following Key to answer questions 20 - 24
KEY: A. True
only for C3 PLANTS.
B. True only for C4 PLANTS.
C. True only for CAM PLANTS.
D. True only for CAM AND C4 PLANTS.
E. True for C3, C4, AND CAM PLANTS.
Stomata open at night to allow CO2
to enter, but close during the day.
Utilizes the Calvin Cycle.
Utilizes PEP carboxylase to initially fix CO2.
RuBP carboxylase (Rubisco) is used in these
plants.
Well adapted to a cool and moist environment.
Multiple Guess Questions
25. By which process are C02 and H20 converted to carbohydrates?
(a) transpiration (b) respiration
(c) fermentation (d) photosynthesis
26. Glucose molecules may be stored in plants in the form of
(a) oxygen (b) starch (c)
nucleic acids (d) amino acids
26. Knowing that red glass transmits mainly red light, green glass mainly green
light, yellow glass mainly yellow light, and orange glass mainly orange light, a
student set up an experiment to determine the effect of light color on glucose
production. She selected jars of each of the above colors and grew a bean plant
in each jar under controlled conditions in the presence of natural light. The
greatest amount of glucose would most likely be produced by the bean plant
growing in the jar whose color was
(a) red (b) yellow
(c) green (d) orange
27. The basic raw materials for photosynthesis are
(a) water and carbon dioxide
(b) oxygen and water (c) sugar and carbon
dioxide (d) water and oxygen
28. In autotrophic plants, stored starch may be converted into small organic
molecules by the process of
(a) transpiration (b) aerobic respiration
(c) intracellular digestion (d) extracellular digestion
29. Which word equation represents the process of photosynthesis?
(a) carbon dioxide + water
à glucose +
oxygen + water
(b) glucose
à alcohol + carbon
dioxide
(c) maltose + water
à glucose +
glucose
(d) glucose + oxygen
à carbon dioxide +
water
30. Autotrophic activity in green plant cells is most closely associated with
organelles called
(a) mitochondria (b) ribosomes
(c) vacuoles (d) chloroplasts
31. Bromthymol blue turns to bromthymol yellow in the presence of carbon
dioxide. When the carbon dioxide is removed, the solution will return to a blue
color. Two green water plants were placed in separate test tubes, each
containing water and bromthymol yellow. Both test tubes were corked. One tube
was placed in the light, the other in the dark. After several days, the liquid
in the tube exposed to the light turned blue,
while the liquid in the tube in the dark turned yellow. This demonstration illustrates
that, during photosynthesis, green plants
(a) take in carbon dioxide (b) need
bromthymol blue (c) give off oxygen gas
(d) form ATP molecules (e) give off carbon dioxide
32. A functional difference between animals and green plants is that green
plants are able to
(a) synthesize glucose from inorganic
compounds (b) break down
carbohydrates (c) carry on aerobic respiration (d) form ATP molecules
33. Which compound is formed in the process of photosynthesis?
(a) DNA (b) G-3-P (c) CO2
(d) NADH
34. Which form of energy is absorbed by green plants during the light dependent
stage of photosynthesis?
(a) heat energy (b) light energy
(c) nuclear energy (d) chemical energy
35. The oxygen present in the water molecule in the light dependent stage of
photosynthesis is
(a) released as molecular oxygen
(b) released as chemical energy
(c) incorporated into G-3-P
(d) incorporated into glucose
36. The light independent stage of photosynthesis involves (a) oxidation (b) hydrolysis (c) carbon
fixation (d) aerobic respiration (e) O2
production
37. A three-carbon sugar formed during the light independent stage
(Calvin Cycle) of
photosynthesis is (a) carbon dioxide (b) glucose
(c) ATP (d) G-3-P
38. The reactions in the light dependent stage of photosynthesis occur in the
(a) thylaloid membrane (b) stroma (c) Golgi
apparatus (d) cytoplasm (e)
Intermembrane space
39. Which statement correctly describes part of the photosynthetic process in
plants?
(a) Oxygen is used in the dark
reactions. (b) Carbon dioxide is
released in the dark reactions.
(c) Water is split in the light reactions. (d) Alcohol is produced by the light reactions.
40. Which compounds are produced in human muscle cells as a result of the oxidation of glucose in the absence of oxygen?
(a) carbon dioxide and water (b) ethanol and carbon
dioxide (c) ethanol and ATP (d)
lactic acid and ATP (e) carbon dioxide, lactic acid and ATP
41. Most animals make energy available for cell activity by transferring the
potential energy of glucose to ATP. This process occurs during
(a) aerobic respiration, only (b) anaerobic respiration,
only (c) both aerobic and
anaerobic respiration (d) neither aerobic nor anaerobic
respiration
42. Which of the following processes releases the greatest amount of energy?
(a) the oxidation of one glucose
molecule to lactic acid molecules
(b) the oxidation of one glucose
molecule to carbon dioxide and water molecules
(c) the conversion of two glucose
molecules to a maltose molecule
(d) the conversion of one glucose
molecule to alcohol and carbon dioxide molecules
43. Alcohol fermentation and aerobic respiration are similar in that both
processes
(a) utilize light (b) produce
ethyl alcohol (c) require free
oxygen (d) release carbon
dioxide
44. Respiratory enzymes are present in
(a) animal cells, but not plant cells
(b) plant cells, but not animal cells
(c) neither animal nor plant cells
(d) both animal and plant cells
45. In animal cells, the energy to convert ADP to ATP comes
directly from
(a) hormones (b) sunlight (c) organic molecules (d)
inorganic molecules (e) diffusion of hydrogen ions through ATP
synthase
46. Vigorous activity of human voluntary muscle tissues may result in the
production of lactic acid. Insufficient amount of which gas would result in the
buildup of lactic acid in muscle cells?
(a) carbon dioxide (b) nitrogen
(c) oxygen (d) hydrogen
(e) water vapor
47. The organelles in which most of the reactions of aerobic cellular
respiration take place are
(a) ribosomes (b) chloroplasts (c) lysosomes (d)
mitochondria
48. Anaerobic respiration of glucose is a less efficient energy-releasing system
than aerobic respiration of glucose. One of the reasons for this is that in
anaerobic respiration
(a) lactic acid contains much unreleased potential energy
(b) water contains much released potential energy
(c) oxygen serves as the final hydrogen acceptor
(d) chlorophyll is hydrolyzed into G-3-P molecules
49. Which of the following statements is true about the Krebs (citric acid)
cycle and the Calvin (light-independent) cycle?
(a) They both
result in a net production of ATP and NADH.
(b) They both
require a net input of ATP.
(c) They both
result in a release of oxygen.
(d) They both
take place within the cytoplasmic matrix.
(e) They both
are carried out by enzymes located within an organelle matrix.
The products of light dependent stage of photosynthesis are:
a) ATP , NADH , and water
b) Glucose and oxygen
c) ATP, NADPH, and oxygen
d) CO2 and H2O
Light independent stage occurs in the ____________, while light dependent reaction occurs in the _________________.
a) thylakoid membrane; stroma
b) stroma; thylakoid membrane
c) Grana, stomata
d) Chloroplast; mitochondria
e) Thylakoid; chlorophyll
The lost electrons of the photosystem II are replaced by____________________.
a) electrons from the photosystem I.
b) splitting oxygen.
c) Electrons can’t be replaced.
d) by photolysis (splitting) of water.
e) None of the above.
The enzyme responsible to add carbon dioxide into ribulose biphosphate is called_________.
a) RuBP
b) G-3-P
c) Rubisco
d) NADPH
Energy required to run the Calvin cycle is produced in__________.
a) light dependent stage
b) light independent stage
c) photosytem I
d) Krebs cycle
Glycolysis occurs in the _______, while Krebs cycle occurs in the __________.
a) Mitochondria; matrix of mitochondria
b) Cytoplasm; mitochondrial matrix
c) Ribosome; cytosol
d) Mitochondria; chloroplast
In the absence of oxygen, ____________ will not occur. (If more than one response is correct, then select all correct responses!)
a) Krebs cycle
b) Electron transport chain
c) Calvin cycle
d) Aerobic respiration
e) Light dependent stage of photosynthesis
Which of the following occurs in the stroma of the chloroplast?
a. light dependent reaction
b. electron transport chain
c. Calvin cycle
d. photolysisThe oxygen produced in photosynthesis comes from what molecule?
a. glucose
b. water
c. photosystem II
d. ATPe. CO2
The photosynthetic process used by some plants to survive in a hot dry climate, like the desert?
a. C4 Photosynthesis
b. C3 Photosynthesis
c. Noncyclic photophosphorylation
d. Carbon fixationWhich of the following is NOT a produce of the light dependent reaction?
a. Oxygen
b. ATP
c. NADPH
d. SugarWhich of the following is the source of the carbon in sugar produced during photosynthesis?
a. carbon dioxide
b. water
c. rubisco
d. ATPWhich of the following is the main difference between cyclic and noncyclic photophosphorylation?
a. they use different electron acceptors
b. Only photosystem I is used during the cyclic process
c. noncyclic photophosphorylation occurs in the stroma
d. noncyclic photophosphorylation does not produce ATPCarbon fixation is catalyzed by what enzyme?
a. P700
b. NADPH
c. 3-phosphoglycerate (3GP)
d. rubiscoThe Calvin cycle requires each of the following inputs EXCEPT:
a. ATP
b. NADPH
c. O2
d. CO2e. H2O
In the light dependent reactions, when light strikes the pigments (P700 or P680) what is the immediate result?
a. excited electrons are passed to electron acceptors
b. electrons are fused to form ATP
c. glucose is produced
d. carbon fixation occurse. extreme euphoria
In the Calvin cycle, more ATP than NADPH is used, how is this difference made up?
a. the cyclic pathway (i.e. cyclic photophosphorylation) creates more ATP
b. the Calvin cycle occurs half as often as the light dependent reaction
c. additional ATP is created from glucose
d. excess NADPH is reused in the light reactione. Noncyclic photophosphorylation creates more ATP
Which of the following occurs in both photosynthesis and respiration?
a. chemiosmosis
b. glycolysis
c. Calvin cycle
d. Krebs cyclee. reduction of NAD+ to NADH
Which of the following statements is FALSE?
a. glycolysis can occur with or without oxygen
b. glycolysis occurs in the mitochondria
c. glycolysis is the first stage in both aerobic and anaerobic respiration
d. glycolysis produces ATP, NADH, and pyruvateThis process uses NADH and FADH2 to produce ATP
a. oxidative phosphorylation
b. fermentation
c. glycolysis
d. Krebs cyclee. Seattle Mariner baseball
This process begins with the production of Acetyl-CoA:
a. chemiosmosis
b. glycolysis
c. fermentation
d. Krebs cycleCramps during exercise may be caused by:
a. alcohol fermentation
b. glycolysis inhibition
c. lactic acid fermentation
d. chemiosmosisElectron transport chain and chemiosmosis are collectively known as:
a. cellular respiration
b. glycolysis
c. fermentation
d. oxidative phosphorylatione. Calvin cycle
The final electron acceptor during oxidative phosphorylation is:
a. oxygen
b. water
c. carbon dioxide
d. ATPe. NAD+
Which of the following processes produces the most ATP?
a. glycolysis
b. oxidative phosphorylation
c. fermentation
d. Krebs cyclee. Calvin cycle
Which of the following is necessary for oxidative phosphorylation to occur?
a. ATP
b. oxygen
c. carbon dioxide
d. lactic acide. money
Which of the following is the products of the Krebs cycle?
a. ATP
b. NADH
c. FADH2
d. all of these
Photosynthesis Free Response Review Questions
Cellular Respiration Free Response Review Questions