FREE BioInteractive Calvin Cycle Questions and Answers

Question 1

What is the main purpose of the Calvin Cycle?

Accepted Answer

Fix carbon dioxide into glucose

Answer

Convert light energy into ATP

Answer

Split water molecules to release oxygen

Answer

Produce NADPH

Question 2

Where does the Calvin Cycle take place?

Accepted Answer

Stroma of the chloroplast

Answer

Thylakoid membrane

Answer

Mitochondria

Answer

Cytoplasm

Question 3

What is the first step of the Calvin Cycle?

Accepted Answer

Carbon fixation

Answer

Reduction phase

Answer

Regeneration of RuBP

Answer

ATP synthesis

Question 4

Which enzyme is responsible for fixing CO₂ in the Calvin Cycle?

Accepted Answer

RuBisCO

Answer

ATP synthase

Answer

NADP+ reductase

Answer

Chlorophyll

Question 5

What molecule is regenerated at the end of the Calvin Cycle to allow the cycle to continue?

Accepted Answer

Ribulose bisphosphate (RuBP)

Answer

Glucose

Answer

ATP

Answer

NADPH