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Photosynthesis and Respiration MCQs

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Practice free Photosynthesis and Respiration multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 43 questions — no login required.

Question 19easy

What is the maximum absorption wavelength for photosystem I in green plants?

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Question 20easy

Carbon dioxide is reduced in

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Question 21easy

During the light-dependent reactions of photosynthesis, which of the following does not occur?

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Question 22easy

Which of the following structures or processes are logically associated with chloroplasts?

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Question 23easy

In oxygenic photosynthesis, water is split in order to provide the

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Question 24easy

Where do the protons come from that make up the proton gradient used in the light reactions of photosynthesis?

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Question 25easy

Oxidative phosphorylation is to respiration as __________ is to photosynthesis

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Question 26easy

Which of the following serves as a reactant in photosynthesis and a product in cellular respiration?

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Question 27easy

Hydrogen (electron) acceptor in the light reactions is

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