CSCC Exam 2 Bio 1111 UPDATED Exam
Questions and CORRECT Answers
What is the correct reaction of photosynthesis? - CORRECT ANSWER - glucose &
oxygen
What are the reactants and end products of the light reactions and the light-independent reactions
(carbon reactions or Calvin Cycle)? - CORRECT ANSWER - Light reactants- H2O, and
light energy
Light end products- Oxygen, ATP, NADPH
Calvin Cycle reactants- ATP, NADPD, CO2
Calvin Cycle end products- Glucose
What chemicals are produced during the light-dependent reactions that fuel the light-independent
reactions? - CORRECT ANSWER - ATP, NADPH
. What is being oxidized and what is being reduced in photosynthesis? - CORRECT
ANSWER - Water is oxidized; carbon dioxide is reduced
What coenzyme is being used in Photosynthesis? - CORRECT ANSWER - NADP
. The ATP and NADPH produced in the light-dependent reaction stage goes to light independent
reaction (Calvin cycle). T/F - CORRECT ANSWER - True
The energy for ATP synthesis in chemiosmotic phosphorylation comes from the movement of
hydrogen ions across a membrane down a concentration gradient. T/F - CORRECT
ANSWER - True
, The MOLECULE that traps the sun's energy is called chlorophyll. T/ F - CORRECT
ANSWER - True
Noncyclic electron pathway or chemiosmotic photophosphorylation is another name for light
reaction. T/ F - CORRECT ANSWER - True
Photorespiration is related with C3 plants. T/F - CORRECT ANSWER - True
. C4 plants have more rate of photosynthesis than C3 in hot dry summer. T/ F - CORRECT
ANSWER - True
A photosystem contains pigments, a reaction center, and electron acceptors. T/ F - CORRECT
ANSWER - True
The stacks of double membrane structures found in chloroplast are grana. T/ F - CORRECT
ANSWER - True
Photosynthesis utilizes only visible light. T/ F - CORRECT ANSWER - True
Glucose - CORRECT ANSWER - End product of Calvin cycle.
Thylakoid membrane - CORRECT ANSWER - Site of Light dependent reaction.
The light-independent reactions - CORRECT ANSWER - The output of the light-
dependent reaction ATP and NADPH go to____________.
Oxygen - CORRECT ANSWER - Water splits up in the light dependent reaction and
release____________.
Questions and CORRECT Answers
What is the correct reaction of photosynthesis? - CORRECT ANSWER - glucose &
oxygen
What are the reactants and end products of the light reactions and the light-independent reactions
(carbon reactions or Calvin Cycle)? - CORRECT ANSWER - Light reactants- H2O, and
light energy
Light end products- Oxygen, ATP, NADPH
Calvin Cycle reactants- ATP, NADPD, CO2
Calvin Cycle end products- Glucose
What chemicals are produced during the light-dependent reactions that fuel the light-independent
reactions? - CORRECT ANSWER - ATP, NADPH
. What is being oxidized and what is being reduced in photosynthesis? - CORRECT
ANSWER - Water is oxidized; carbon dioxide is reduced
What coenzyme is being used in Photosynthesis? - CORRECT ANSWER - NADP
. The ATP and NADPH produced in the light-dependent reaction stage goes to light independent
reaction (Calvin cycle). T/F - CORRECT ANSWER - True
The energy for ATP synthesis in chemiosmotic phosphorylation comes from the movement of
hydrogen ions across a membrane down a concentration gradient. T/F - CORRECT
ANSWER - True
, The MOLECULE that traps the sun's energy is called chlorophyll. T/ F - CORRECT
ANSWER - True
Noncyclic electron pathway or chemiosmotic photophosphorylation is another name for light
reaction. T/ F - CORRECT ANSWER - True
Photorespiration is related with C3 plants. T/F - CORRECT ANSWER - True
. C4 plants have more rate of photosynthesis than C3 in hot dry summer. T/ F - CORRECT
ANSWER - True
A photosystem contains pigments, a reaction center, and electron acceptors. T/ F - CORRECT
ANSWER - True
The stacks of double membrane structures found in chloroplast are grana. T/ F - CORRECT
ANSWER - True
Photosynthesis utilizes only visible light. T/ F - CORRECT ANSWER - True
Glucose - CORRECT ANSWER - End product of Calvin cycle.
Thylakoid membrane - CORRECT ANSWER - Site of Light dependent reaction.
The light-independent reactions - CORRECT ANSWER - The output of the light-
dependent reaction ATP and NADPH go to____________.
Oxygen - CORRECT ANSWER - Water splits up in the light dependent reaction and
release____________.
