Biology·MCQ Practice

Calvin Cycle — MCQ Practice

NEET UG

Version 1Updated 21 Mar 2026

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Test your knowledge. Click “Solve” to reveal options, select your answer, then check the result. 6 questions available.

Q1easy

Which of the following statements about the Calvin Cycle is INCORRECT?

Q2medium

How many molecules of ATP and NADPH are required to fix 3 molecules of $CO_2$ in the Calvin Cycle?

Q3easy

The first stable product of $CO_2$ fixation in the Calvin Cycle is:

Q4medium

Which phase of the Calvin Cycle requires both ATP and NADPH?

Q5hard

If 10 molecules of glyceraldehyde-3-phosphate (G3P) are produced in the Calvin Cycle, how many of these would typically be used to regenerate RuBP?

Q6medium

Photorespiration is minimized in C4 plants primarily due to: