BIOLOGY 1404 PRACTICE EXAM TEST 3 QUESTIONS AND ANSWERS
(VERIFIED AND WELL DETAILED ANSWERS) LATEST UPDATE
2025/2026
Which statement correctly describes the process that occurs in the thylakoid?
A-ATP is produced in the thylakoid during light-independent reactions.
B-ATP is produced in the thylakoid during light-dependent reactions.
C-ADP and glucose are produced in the thylakoid during light-independent
reactions.
D-ADP and glucose are produced in the thylakoid during light-dependent
reactions. - CORRECT ANSWER B-ATP is produced in the thylakoid during
light-dependent reactions.
Photosynthetic algae create sugars that will eventually be broken down during
which process?
A-glycolysis, during respiration
B-the Calvin cycle, during photosynthesis
C-electron transport chain, during respiration
D-the Krebs cycle, during photosynthesis - CORRECT ANSWER A-glycolysis,
during respiration
Which characteristic best distinguishes glycolysis and the Krebs cycle from the
electron transport chain?
A-the amount of ATP produced
B-the location in which they occur
C-whether glucose is broken down
,D-whether they occur in plants or animals - CORRECT ANSWER A-the amount
of ATP produced
In organisms other than plants, when and where is the most ATP produced?
A-in cytoplasm, during photosynthesis
B-in nuclei, during cellular respiration
C-in chloroplasts, during photosynthesis
D-in mitochondria, during cellular respiration - CORRECT ANSWER D-in
mitochondria, during cellular respiration
Can green plants and humans use the same process to create ATP?
A-No; green plants can use only photosynthesis, and humans use only cellular
respiration.
B-No; green plants can use only the Krebs cycle, and humans can use only the
Calvin cycle.
C-Yes; green plants and humans can both use photosynthesis to create ATP.
D-Yes; green plants and humans can both use cellular respiration to create ATP. -
CORRECT ANSWER D-Yes; green plants and humans can both use cellular
respiration to create ATP.
How is sunlight used in photosynthesis?
A-Sunlight controls the amount of water in plant cells.
B-Sunlight is a nutrient for plants.
C-Sunlight is converted to chemical energy.
D-Sunlight breaks cell walls to allow energy in and out. - CORRECT ANSWER
C-Sunlight is converted to chemical energy.
Which statement is true for both plants and animals?
,A-Plants and animals both use sunlight to generate ATP for energy.
B-Plants and animals both form ADP in the Calvin cycle.
C-Plants and animals both need to consume sugar to store energy.
D-Plants and animals both break a phosphate bond of ATP to release energy. -
CORRECT ANSWER D-Plants and animals both break a phosphate bond of ATP
to release energy.
Which is the site of the most ATP production during cellular respiration?
A-nucleus
B-mitochondrion
C-cytoplasm
D-chloroplast - CORRECT ANSWER B-mitochondrion
Where in the cell is the glucose produced?
A-in mitochondria
B-in chloroplasts
C-in cytoplasm
D-in water - CORRECT ANSWER B-in chloroplasts
Which label identifies the part of the ATP molecule that changes when energy is
released in the cells of all living things?
A
B
C
D - CORRECT ANSWER c
, 1. Light energy excites electrons.2. Water molecules are split.3. NADPH is
formed.In which locations do each of these events occur?
A-1. photosystem II2. photosystem I3. photosystem I
B-1. photosystem II2. photosystem II3. photosystem I
C-1. photosystem I2. photosystem I3. photosystem II
D-1. photosystem I2. photosystem II3. photosystem II - CORRECT ANSWER B-
1. photosystem II2. photosystem II3. photosystem I
During the light-dependent reaction of photosynthesis, light energy is converted
into which form of energy?
chemical
mechanical
thermal
electrical - CORRECT ANSWER chemical
Through which conversion is energy released?
ADP to ATP
ATP to ADP
NADP+ to NADPH
CO2 and H2O to C6H12O6 and O2 - CORRECT ANSWER ATP to ADP
How is ADP converted to ATP?
by the addition of one adenosine molecule
by the addition of one phosphate group
by the removal of one adenosine molecule
by the removal of one phosphate group - CORRECT ANSWER by the addition of
one phosphate group
(VERIFIED AND WELL DETAILED ANSWERS) LATEST UPDATE
2025/2026
Which statement correctly describes the process that occurs in the thylakoid?
A-ATP is produced in the thylakoid during light-independent reactions.
B-ATP is produced in the thylakoid during light-dependent reactions.
C-ADP and glucose are produced in the thylakoid during light-independent
reactions.
D-ADP and glucose are produced in the thylakoid during light-dependent
reactions. - CORRECT ANSWER B-ATP is produced in the thylakoid during
light-dependent reactions.
Photosynthetic algae create sugars that will eventually be broken down during
which process?
A-glycolysis, during respiration
B-the Calvin cycle, during photosynthesis
C-electron transport chain, during respiration
D-the Krebs cycle, during photosynthesis - CORRECT ANSWER A-glycolysis,
during respiration
Which characteristic best distinguishes glycolysis and the Krebs cycle from the
electron transport chain?
A-the amount of ATP produced
B-the location in which they occur
C-whether glucose is broken down
,D-whether they occur in plants or animals - CORRECT ANSWER A-the amount
of ATP produced
In organisms other than plants, when and where is the most ATP produced?
A-in cytoplasm, during photosynthesis
B-in nuclei, during cellular respiration
C-in chloroplasts, during photosynthesis
D-in mitochondria, during cellular respiration - CORRECT ANSWER D-in
mitochondria, during cellular respiration
Can green plants and humans use the same process to create ATP?
A-No; green plants can use only photosynthesis, and humans use only cellular
respiration.
B-No; green plants can use only the Krebs cycle, and humans can use only the
Calvin cycle.
C-Yes; green plants and humans can both use photosynthesis to create ATP.
D-Yes; green plants and humans can both use cellular respiration to create ATP. -
CORRECT ANSWER D-Yes; green plants and humans can both use cellular
respiration to create ATP.
How is sunlight used in photosynthesis?
A-Sunlight controls the amount of water in plant cells.
B-Sunlight is a nutrient for plants.
C-Sunlight is converted to chemical energy.
D-Sunlight breaks cell walls to allow energy in and out. - CORRECT ANSWER
C-Sunlight is converted to chemical energy.
Which statement is true for both plants and animals?
,A-Plants and animals both use sunlight to generate ATP for energy.
B-Plants and animals both form ADP in the Calvin cycle.
C-Plants and animals both need to consume sugar to store energy.
D-Plants and animals both break a phosphate bond of ATP to release energy. -
CORRECT ANSWER D-Plants and animals both break a phosphate bond of ATP
to release energy.
Which is the site of the most ATP production during cellular respiration?
A-nucleus
B-mitochondrion
C-cytoplasm
D-chloroplast - CORRECT ANSWER B-mitochondrion
Where in the cell is the glucose produced?
A-in mitochondria
B-in chloroplasts
C-in cytoplasm
D-in water - CORRECT ANSWER B-in chloroplasts
Which label identifies the part of the ATP molecule that changes when energy is
released in the cells of all living things?
A
B
C
D - CORRECT ANSWER c
, 1. Light energy excites electrons.2. Water molecules are split.3. NADPH is
formed.In which locations do each of these events occur?
A-1. photosystem II2. photosystem I3. photosystem I
B-1. photosystem II2. photosystem II3. photosystem I
C-1. photosystem I2. photosystem I3. photosystem II
D-1. photosystem I2. photosystem II3. photosystem II - CORRECT ANSWER B-
1. photosystem II2. photosystem II3. photosystem I
During the light-dependent reaction of photosynthesis, light energy is converted
into which form of energy?
chemical
mechanical
thermal
electrical - CORRECT ANSWER chemical
Through which conversion is energy released?
ADP to ATP
ATP to ADP
NADP+ to NADPH
CO2 and H2O to C6H12O6 and O2 - CORRECT ANSWER ATP to ADP
How is ADP converted to ATP?
by the addition of one adenosine molecule
by the addition of one phosphate group
by the removal of one adenosine molecule
by the removal of one phosphate group - CORRECT ANSWER by the addition of
one phosphate group
