Calvin Cycle Quiz

What is the primary focus of the Calvin Cycle in the context of cellular energy?

• DNA replication

• Protein synthesis

• Photosynthesis

• Cellular respiration

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

Where does carbon dioxide enter the leaf during the Calvin cycle?

• Through the roots

• Through the flowers

• Through the stomata

• Through the bark

Tags

NGSS.HS-LS2-5

What is the primary site of the Calvin cycle reactions in the chloroplast?

• Thylakoid

• Outer membrane

• Stroma

• Grana

What is the main product synthesized during the Calvin cycle?

• Oxygen

• Carbon dioxide

• Water

• Sugar

Tags

NGSS.HS-LS1-6

Which of the following is NOT a product or requirement for the Calvin cycle as depicted in the diagram?

• ATP

• NADPH

• Oxygen

• RuBP

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

What is the role of 3-PGA in the Calvin cycle?

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What is the first stage of the Calvin Cycle called?

• Reduction

• Regeneration of starting molecule

• Carbon fixation

• Oxygen release

Tags

NGSS.HS-LS2-5

During the carbon fixation stage of the Calvin Cycle, CO2 combines with which molecule to form 3-PGA?

• Glucose

• Ribulose-1,5-bisphosphate (RuBP)

• ATP

• NADPH

What enzyme catalyzes the reaction of CO2 with RuBP in the Calvin Cycle?

• ATP synthase

• Rubisco

• NADP reductase

• Phosphofructokinase

How many molecules of 3-PGA are produced from one molecule of RuBP during carbon fixation?

• 2

• 3

• 5

• 6