UA BSC Prep Exam 2025/2026 – Get Verified Questions & Answers
for Guaranteed Success! Graded A+ (A Must Pass!) (80 Questions
with Answers)
The process of photosynthesis captures ____ and converts it to ____. - Light energy from the sun
Chemical energy stored in sugars and other organic molecules
How does carbon dioxide enter plants? - Through pores in the leaf called stomata
TRUE OR FALSE: Photosynthesis occurs in chloroplasts - TRUE
What is the structure of a chloroplast? - Stroma
Thylakoid membrane
Grana
Inner membrane
Outer membrane
What is embedded in the inner thylakoid membrane? - Chlorophyll molecules
What is the primary function of plant pigments? - To absorb solar energy
Why are leaves green? - Chlorophyll molecules absorb violent-blue and red light
They reflect or transmit green-yellow light
What are the processes of light dependent reactions? - Chlorophyll absorbs solar energy and ejects
an electron
This is passed down an electron transport chain
Water is split, releasing O2
What are the requirements for light dependent reactions? - H2O
ADP
NADP+
, What are the products of light reactions? - O2
Energy-storing compounds ATP and NADH
What are the requirements for the Calvin cycle reactions? - ATP
NADPH
CO2
Five-carbon sugar called RuBP
Enzyme Rubisco
TRUE OR FALSE: Carbon dioxide is fixed during the Calvin cycle - TRUE
What is the product of the Calvin cycle? What can this be used to make? - Glyceraldehyde-3-
phosphate (G3P)
Glucose
What is C4 photosynthesis an adaptation for? - Hot and dry weather
What are two examples of a C4 plant? - Sugar cane
Corn
What is photosynthesis? - The process that stores energy in the form of glucose
What is cellular respiration? - The process that releases energy from glucose
An oxidation reaction involves the ___ of electrons while a reduction reaction involves the ___ of
electrons - Loss
Gain
During cellular respiration, glucose from food is converted to ____, releasing energy that is used to
produce ____. - CO2
for Guaranteed Success! Graded A+ (A Must Pass!) (80 Questions
with Answers)
The process of photosynthesis captures ____ and converts it to ____. - Light energy from the sun
Chemical energy stored in sugars and other organic molecules
How does carbon dioxide enter plants? - Through pores in the leaf called stomata
TRUE OR FALSE: Photosynthesis occurs in chloroplasts - TRUE
What is the structure of a chloroplast? - Stroma
Thylakoid membrane
Grana
Inner membrane
Outer membrane
What is embedded in the inner thylakoid membrane? - Chlorophyll molecules
What is the primary function of plant pigments? - To absorb solar energy
Why are leaves green? - Chlorophyll molecules absorb violent-blue and red light
They reflect or transmit green-yellow light
What are the processes of light dependent reactions? - Chlorophyll absorbs solar energy and ejects
an electron
This is passed down an electron transport chain
Water is split, releasing O2
What are the requirements for light dependent reactions? - H2O
ADP
NADP+
, What are the products of light reactions? - O2
Energy-storing compounds ATP and NADH
What are the requirements for the Calvin cycle reactions? - ATP
NADPH
CO2
Five-carbon sugar called RuBP
Enzyme Rubisco
TRUE OR FALSE: Carbon dioxide is fixed during the Calvin cycle - TRUE
What is the product of the Calvin cycle? What can this be used to make? - Glyceraldehyde-3-
phosphate (G3P)
Glucose
What is C4 photosynthesis an adaptation for? - Hot and dry weather
What are two examples of a C4 plant? - Sugar cane
Corn
What is photosynthesis? - The process that stores energy in the form of glucose
What is cellular respiration? - The process that releases energy from glucose
An oxidation reaction involves the ___ of electrons while a reduction reaction involves the ___ of
electrons - Loss
Gain
During cellular respiration, glucose from food is converted to ____, releasing energy that is used to
produce ____. - CO2
