Chloroplasts and Photosynthesis Quiz

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What is the primary function of carbon fixation in photosynthesis?

To produce oxygen gas as a byproduct

To release stored glucose for energy use

To break down water molecules for electron transfer

To convert carbon dioxide into a usable form by plants (correct)

How does limited light exposure impact the rate of photosynthesis in plants?

It increases the efficiency of the Calvin Cycle

It decreases the activity of Rubisco enzyme

It slows down the rate of carbon fixation (correct)

It reduces the production of ATP and NADPH

What is the role of chlorophyll molecules in the light reactions of photosynthesis?

Absorb and transfer light energy to the reaction center (correct)

Convert carbon dioxide into glucose in the stroma

Facilitate the regeneration of RuBP in the Calvin Cycle

Generate ATP and NADPH through chemiosmosis

Why is the electron transport chain important in the light reactions of photosynthesis?

To generate ATP and NADPH for the Calvin Cycle Signup and view all the answers

Where are sugars made in the chloroplast?

Stoma Signup and view all the answers

Which of the following is a true statement concerning the role of redox reactions in photosynthesis and cellular respiration?

In photosynthesis, carbon dioxide is reduced to form sugar; in respiration, sugar is oxidized to form carbon dioxide Signup and view all the answers

Which of the following is not a difference between photosynthesis and cellular respiration?

Photosynthesis consumes CO2; respiration consumes )2 Signup and view all the answers

What is the location of chlorophyll in a plant cell?

Thylakoids Signup and view all the answers

Where do the reactions of the Calvin cycle take place?

Stroma Signup and view all the answers

Which of the following are produced during the light reactions of photosynthesis?

ATP, NADPH, O2 Signup and view all the answers

Which of the following are produced during the dark reactions of photosynthesis?

ATP, NADPH, CO2 Signup and view all the answers

Which of the following does the Calvin cycle involve?

Formation of waste products in the form of CO2 Signup and view all the answers

How do the reaction centers of photosystems I and II differ?

Both b and c Signup and view all the answers

Why do green plants appear green to human eyes?

Mainly red and blue wavelengths are absorbed, while the green is reflected Signup and view all the answers

During noncyclic electron flow, where are electrons replaced in photosystem I?

Water Signup and view all the answers

What supplies the energy that excites P680 and P700 in photosystems I and II?

Photons Signup and view all the answers

What is used to transport H+ from the stroma to the thylakoid compartment in chemiosmosis?

H+.grana.electrons Signup and view all the answers

Which step does not occur during the Calvin cycle?

Formation of waste products in the form of CO2 Signup and view all the answers

Chloroplasts and Photosynthesis Quiz

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Questions and Answers

What is the primary function of carbon fixation in photosynthesis?

How does limited light exposure impact the rate of photosynthesis in plants?

What is the role of chlorophyll molecules in the light reactions of photosynthesis?

Why is the electron transport chain important in the light reactions of photosynthesis?

Where are sugars made in the chloroplast?

Which of the following is a true statement concerning the role of redox reactions in photosynthesis and cellular respiration?

Which of the following is not a difference between photosynthesis and cellular respiration?

What is the location of chlorophyll in a plant cell?

Where do the reactions of the Calvin cycle take place?

Which of the following are produced during the light reactions of photosynthesis?

Which of the following are produced during the dark reactions of photosynthesis?

Which of the following does the Calvin cycle involve?

How do the reaction centers of photosystems I and II differ?

Why do green plants appear green to human eyes?

During noncyclic electron flow, where are electrons replaced in photosystem I?

What supplies the energy that excites P680 and P700 in photosystems I and II?

What is used to transport H+ from the stroma to the thylakoid compartment in chemiosmosis?

Which step does not occur during the Calvin cycle?

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