BIO 152 MODULE 4 EXAM 2026 - REQUIRES RESPONDUS LOCKDOWN
BROWSER + WEBCAM 100% CORRECT - PORTAGE.
The stage of the plant that produces spores is called the
a. Charophyte
b. Gametophyte
c. Sporophyte
d. Spermatophyte
e. Epiphyte - (answer)c. Sporophyte
A. btw Cuticle and upper epidermis
B. Xylem
C. Spongey mesophyll
D. Stoma
Where on this diagram is water potential lowest (most negative)? - (answer)D. Stoma
Which of the above molecules (A-E) becomes fixed in photosynthesis? - (answer)B. CO2
Which of the above molecules (A-E) represents NADP+ and ADP? - (answer)C. In btw. the light reactions
and calvin cycle
In the above diagram, the Calvin Cycle is
a. X
b. Y
c. Z
d. Both X and Y
e. Both Y and Z - (answer)b. Y
,BIO 152 MODULE 4 EXAM 2026 - REQUIRES RESPONDUS LOCKDOWN
BROWSER + WEBCAM 100% CORRECT - PORTAGE.
Which color(s) of light does chlorophyll reflect?
a. blue
b. red
c. green
d. red and blue - (answer)c. green
The purpose of the light reactions of photosynthesis is to _____.
a. Produce ATP from the electron transport chain
b. Make NADPH
c. Fix carbon dioxide
d. Make water from H+ and O2
e. Both A and B - (answer)e. Both A and B
Oxygen gas produced during photosynthesis originates as:
a) oxygen atoms are released by the metabolism of carbohydrates.
b) oxygen atoms contained in carbon dioxide are released when the carbon is fixed.
c) a by-product of nitrogen-fixing bacteria.
d) a molecule of chlorophyll oxidized by a photon.
e) oxygen atoms contained in water molecules. - (answer)e) oxygen atoms contained in water
molecules.
If a plant had a mutation in the gene coding for its RuBisCo enzyme, it would affect its ability to
a. Make ATP
b. Fix carbon
c. Produce oxygen
d. Absorb sunlight - (answer)b. Fix carbon
, BIO 152 MODULE 4 EXAM 2026 - REQUIRES RESPONDUS LOCKDOWN
BROWSER + WEBCAM 100% CORRECT - PORTAGE.
Which of the following statements best represents the relationship between respiration and
photosynthesis?
a) Respiration occurs only in animals and photosynthesis occurs only in plants.
b) Photosynthesis occurs only in the day and respiration occurs only at night.
c) Photosynthesis stores energy in complex organic molecules, while respiration releases it.
d) Respiration stores energy in complex organic molecules, while photosynthesis releases it.
e) Photosynthesis reverses the biochemical pathways of respiration in the same organelle. - (answer)c)
Photosynthesis stores energy in complex organic molecules, while respiration releases it.
In _______, carbon dioxide is fixed and stored at night as malic acid, then released for the Calvin Cycle
during the day.
a. C3 photosynthesis
b. C4 photosynthesis
c. CAM photosynthesis
d. Photorespiration
e. Both B and C - (answer)c. CAM photosynthesis
The structure of the spongy mesophyll allows for
a. The most amount of light to be captured per cubic centimeter
b. Sucrose to be transported by loading into sieve tube cells
c. Carbon dioxide to diffuse to all photosynthetic cells in the leaf
d. The surfaces of the leaf to be protected from drying out
e. The reduction of photorespiration by blocking oxygen diffusion - (answer)c. Carbon dioxide to diffuse
to all photosynthetic cells in the leaf
BROWSER + WEBCAM 100% CORRECT - PORTAGE.
The stage of the plant that produces spores is called the
a. Charophyte
b. Gametophyte
c. Sporophyte
d. Spermatophyte
e. Epiphyte - (answer)c. Sporophyte
A. btw Cuticle and upper epidermis
B. Xylem
C. Spongey mesophyll
D. Stoma
Where on this diagram is water potential lowest (most negative)? - (answer)D. Stoma
Which of the above molecules (A-E) becomes fixed in photosynthesis? - (answer)B. CO2
Which of the above molecules (A-E) represents NADP+ and ADP? - (answer)C. In btw. the light reactions
and calvin cycle
In the above diagram, the Calvin Cycle is
a. X
b. Y
c. Z
d. Both X and Y
e. Both Y and Z - (answer)b. Y
,BIO 152 MODULE 4 EXAM 2026 - REQUIRES RESPONDUS LOCKDOWN
BROWSER + WEBCAM 100% CORRECT - PORTAGE.
Which color(s) of light does chlorophyll reflect?
a. blue
b. red
c. green
d. red and blue - (answer)c. green
The purpose of the light reactions of photosynthesis is to _____.
a. Produce ATP from the electron transport chain
b. Make NADPH
c. Fix carbon dioxide
d. Make water from H+ and O2
e. Both A and B - (answer)e. Both A and B
Oxygen gas produced during photosynthesis originates as:
a) oxygen atoms are released by the metabolism of carbohydrates.
b) oxygen atoms contained in carbon dioxide are released when the carbon is fixed.
c) a by-product of nitrogen-fixing bacteria.
d) a molecule of chlorophyll oxidized by a photon.
e) oxygen atoms contained in water molecules. - (answer)e) oxygen atoms contained in water
molecules.
If a plant had a mutation in the gene coding for its RuBisCo enzyme, it would affect its ability to
a. Make ATP
b. Fix carbon
c. Produce oxygen
d. Absorb sunlight - (answer)b. Fix carbon
, BIO 152 MODULE 4 EXAM 2026 - REQUIRES RESPONDUS LOCKDOWN
BROWSER + WEBCAM 100% CORRECT - PORTAGE.
Which of the following statements best represents the relationship between respiration and
photosynthesis?
a) Respiration occurs only in animals and photosynthesis occurs only in plants.
b) Photosynthesis occurs only in the day and respiration occurs only at night.
c) Photosynthesis stores energy in complex organic molecules, while respiration releases it.
d) Respiration stores energy in complex organic molecules, while photosynthesis releases it.
e) Photosynthesis reverses the biochemical pathways of respiration in the same organelle. - (answer)c)
Photosynthesis stores energy in complex organic molecules, while respiration releases it.
In _______, carbon dioxide is fixed and stored at night as malic acid, then released for the Calvin Cycle
during the day.
a. C3 photosynthesis
b. C4 photosynthesis
c. CAM photosynthesis
d. Photorespiration
e. Both B and C - (answer)c. CAM photosynthesis
The structure of the spongy mesophyll allows for
a. The most amount of light to be captured per cubic centimeter
b. Sucrose to be transported by loading into sieve tube cells
c. Carbon dioxide to diffuse to all photosynthetic cells in the leaf
d. The surfaces of the leaf to be protected from drying out
e. The reduction of photorespiration by blocking oxygen diffusion - (answer)c. Carbon dioxide to diffuse
to all photosynthetic cells in the leaf
