1|Page
TRU Biol 2131 Exam || Most Recent Exam 2026 Actual
Complete Real Exam Questions & Correct
Answers||Verified Exam!! (Verified Answers) Already
Graded A+ / Guaranteed Success!! Newest Exam!!!
Sarin - Answers-a small molecule that works by poisoning
an enzyme that degrades chemical signals used by nerves
to activate muscle cells
If you wanted to isolate large quantities of malate from
CAM plants, when would you look?
A: early morning
B: early evening
C: midnight
D: the time of day wouldn't matter
E: midday on a sunny day - Answers-A: early morning
CAM plants include:
A: shrubs.
B: crabgrass.
,2|Page
C: ferns.
D: weeds.
E: cacti. - Answers-E: cacti.
Rubisco is a key enzyme of photosynthesis in:
A: Both C3 and C4 plants.
B: C4 plants only.
C: C3 plants only.
D: All of these use Rubisco.
E: CAM plants only. - Answers-D: All of these use Rubisco.
Greenhouse gases:
A: do not contribute to global warming.
B: capture ultraviolet light in the atmosphere and reflects it
back to Earth.
C: include oxygen, CO2, and methane.
D: are generated by burning fossil fuels.
E: include NOX emissions from photosynthesis. -
Answers-D: are generated by burning fossil fuels.
,3|Page
Which one of the following is the BEST way to reduce
human production of greenhouse gases?
A: planting more agricultural crops
B: mildly increasing the acidity of ocean waters
C: switching to use of electric cars
D: feeding the CO2 produced by electric power plants into
algal ponds where it would be fixed into carbohydrate
E: development of new bio-diesel fuels - Answers-D:
feeding the CO2 produced by electric power plants into
algal ponds where it would be fixed into carbohydrate
Which one of the following statements is FALSE about
carbon sequestration?
A: It is a major contributor to global warming.
B: It is a mechanism of removing carbon from the
atmosphere and locating it in organic compounds.
C: It is reduced by increased levels of deforestation.
D: It increases the level of carbon in the soil.
, 4|Page
E: It is exhibited by photosynthesis. - Answers-A: It is a
major contributor to global warming.
In Photosystem II, the excited P680 transfers a single
photo-excited electron to a closely associated chlorophyll-
like molecule named ________.
a. plastoquinone A
b. plastoquinone B
c. pheophytin
d. cytochrome B6
e. chlorophyll a - Answers-c. pheophytin
Which of the following is a proton pump in thylakoid
membrane?
a.PSII
b.PSI
c.cytochrome b6f complex
d.D1 protein
e.plastocyanin - Answers-c.cytochrome b6f complex
TRU Biol 2131 Exam || Most Recent Exam 2026 Actual
Complete Real Exam Questions & Correct
Answers||Verified Exam!! (Verified Answers) Already
Graded A+ / Guaranteed Success!! Newest Exam!!!
Sarin - Answers-a small molecule that works by poisoning
an enzyme that degrades chemical signals used by nerves
to activate muscle cells
If you wanted to isolate large quantities of malate from
CAM plants, when would you look?
A: early morning
B: early evening
C: midnight
D: the time of day wouldn't matter
E: midday on a sunny day - Answers-A: early morning
CAM plants include:
A: shrubs.
B: crabgrass.
,2|Page
C: ferns.
D: weeds.
E: cacti. - Answers-E: cacti.
Rubisco is a key enzyme of photosynthesis in:
A: Both C3 and C4 plants.
B: C4 plants only.
C: C3 plants only.
D: All of these use Rubisco.
E: CAM plants only. - Answers-D: All of these use Rubisco.
Greenhouse gases:
A: do not contribute to global warming.
B: capture ultraviolet light in the atmosphere and reflects it
back to Earth.
C: include oxygen, CO2, and methane.
D: are generated by burning fossil fuels.
E: include NOX emissions from photosynthesis. -
Answers-D: are generated by burning fossil fuels.
,3|Page
Which one of the following is the BEST way to reduce
human production of greenhouse gases?
A: planting more agricultural crops
B: mildly increasing the acidity of ocean waters
C: switching to use of electric cars
D: feeding the CO2 produced by electric power plants into
algal ponds where it would be fixed into carbohydrate
E: development of new bio-diesel fuels - Answers-D:
feeding the CO2 produced by electric power plants into
algal ponds where it would be fixed into carbohydrate
Which one of the following statements is FALSE about
carbon sequestration?
A: It is a major contributor to global warming.
B: It is a mechanism of removing carbon from the
atmosphere and locating it in organic compounds.
C: It is reduced by increased levels of deforestation.
D: It increases the level of carbon in the soil.
, 4|Page
E: It is exhibited by photosynthesis. - Answers-A: It is a
major contributor to global warming.
In Photosystem II, the excited P680 transfers a single
photo-excited electron to a closely associated chlorophyll-
like molecule named ________.
a. plastoquinone A
b. plastoquinone B
c. pheophytin
d. cytochrome B6
e. chlorophyll a - Answers-c. pheophytin
Which of the following is a proton pump in thylakoid
membrane?
a.PSII
b.PSI
c.cytochrome b6f complex
d.D1 protein
e.plastocyanin - Answers-c.cytochrome b6f complex
