Photosynthesis and Plant Energetics Quiz

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Which of the following is true about the thylakoid reactions in photosynthesis?

They use carbon dioxide and produce sugars.

They use photons and produce NADPH.

They use water and produce oxygen. (correct)

They use ATP and produce ADP.

What is the role of pigments in photosynthesis?

To produce ATP and NADPH

To absorb photons and increase the energy level of molecules (correct)

To generate oxygen and carbon dioxide

To transfer electrons to the reaction center

What can be used to measure the rate of photosynthesis?

ATP production

NADPH production

Oxygen production

Net CO2 consumption (correct)

Which of the following is true about the absorption spectrum of a leaf?

It reflects the wavelengths of light. Signup and view all the answers

What is the function of the light harvesting complex in photosynthesis?

To absorb photons and transfer energy to the reaction center Signup and view all the answers

What happens during the charge separation at PSII in photosynthesis?

Water is oxidized and electrons are passed to P680*. Signup and view all the answers

What is the role of the oxygen evolving complex in photosynthesis?

To strip electrons from water and pass them to oxidized P680* Signup and view all the answers

What is the function of the photosynthetic electron-transport chain in photosynthesis?

To transfer electrons to the reaction center Signup and view all the answers

What is the final electron acceptor in photosynthesis?

P680* Signup and view all the answers

Where are the reactions that use carbon dioxide and produce sugars in photosynthesis?

Carbon reactions Signup and view all the answers

Which of the following is NOT a component of the thylakoid membranes in chloroplasts?

Stroma (fluid) Signup and view all the answers

Which of the following is responsible for transferring reducing potential in the photosynthetic process?

Plastoquinone (PQ) Signup and view all the answers

What is the main function of Rubisco in the Calvin-Benson cycle?

To fix carbon dioxide Signup and view all the answers

Which molecule is produced during the carboxylation step of the Calvin-Benson cycle?

GP (3-phosphoglycerate) Signup and view all the answers

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 Signup and view all the answers

Which process is largely temperature-independent in photosynthesis?

Fast, physical processes Signup and view all the answers

What is the main function of the xanthophyll cycle in photosynthesis?

Repair and regulation Signup and view all the answers

What is the potential consequence of a potential build-up of ROS in photosynthesis?

Damage to cellular components Signup and view all the answers

Which of the following is NOT a component of the thylakoid membranes in chloroplasts?

Stroma (fluid) Signup and view all the answers

Which molecule is produced during the carboxylation step of the Calvin-Benson cycle?

GP (3-phosphoglycerate) Signup and view all the answers

Photosynthesis and Plant Energetics Quiz

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Questions and Answers

Which of the following is true about the thylakoid reactions in photosynthesis?

What is the role of pigments in photosynthesis?

What can be used to measure the rate of photosynthesis?

Which of the following is true about the absorption spectrum of a leaf?

What is the function of the light harvesting complex in photosynthesis?

What happens during the charge separation at PSII in photosynthesis?

What is the role of the oxygen evolving complex in photosynthesis?

What is the function of the photosynthetic electron-transport chain in photosynthesis?

What is the final electron acceptor in photosynthesis?

Where are the reactions that use carbon dioxide and produce sugars in photosynthesis?

Which of the following is NOT a component of the thylakoid membranes in chloroplasts?

Which of the following is responsible for transferring reducing potential in the photosynthetic process?

What is the main function of Rubisco in the Calvin-Benson cycle?

Which molecule is produced during the carboxylation step of the Calvin-Benson cycle?

What happens if the capacities of the electron transport chain and the Calvin-Benson cycle are mismatched?

Which process is largely temperature-independent in photosynthesis?

What is the main function of the xanthophyll cycle in photosynthesis?

What is the potential consequence of a potential build-up of ROS in photosynthesis?

Which of the following is NOT a component of the thylakoid membranes in chloroplasts?

Which molecule is produced during the carboxylation step of the Calvin-Benson cycle?

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