20 Questions
Which of the following is true about the thylakoid reactions in photosynthesis?
They use water and produce oxygen.
What is the role of pigments in photosynthesis?
To absorb photons and increase the energy level of molecules
What can be used to measure the rate of photosynthesis?
Net CO2 consumption
Which of the following is true about the absorption spectrum of a leaf?
It reflects the wavelengths of light.
What is the function of the light harvesting complex in photosynthesis?
To absorb photons and transfer energy to the reaction center
What happens during the charge separation at PSII in photosynthesis?
Water is oxidized and electrons are passed to P680*.
What is the role of the oxygen evolving complex in photosynthesis?
To strip electrons from water and pass them to oxidized P680*
What is the function of the photosynthetic electron-transport chain in photosynthesis?
To transfer electrons to the reaction center
What is the final electron acceptor in photosynthesis?
P680*
Where are the reactions that use carbon dioxide and produce sugars in photosynthesis?
Carbon reactions
Which of the following is NOT a component of the thylakoid membranes in chloroplasts?
Stroma (fluid)
Which of the following is responsible for transferring reducing potential in the photosynthetic process?
Plastoquinone (PQ)
What is the main function of Rubisco in the Calvin-Benson cycle?
To fix carbon dioxide
Which molecule is produced during the carboxylation step of the Calvin-Benson cycle?
GP (3-phosphoglycerate)
What happens if the capacities of the electron transport chain and the Calvin-Benson cycle are mismatched?
The Calvin-Benson cycle slows down more than the photosynthetic ETC
Which process is largely temperature-independent in photosynthesis?
Fast, physical processes
What is the main function of the xanthophyll cycle in photosynthesis?
Repair and regulation
What is the potential consequence of a potential build-up of ROS in photosynthesis?
Damage to cellular components
Which of the following is NOT a component of the thylakoid membranes in chloroplasts?
Stroma (fluid)
Which molecule is produced during the carboxylation step of the Calvin-Benson cycle?
GP (3-phosphoglycerate)
Test your knowledge of photosynthesis and plant energetics with this quiz! Covering topics such as the thylakoid reactions and the importance of photosynthesis, this quiz will challenge your understanding of these essential biological processes. Get ready to dive into the world of plant metabolism and discover the intricacies of energy production in plants.
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