Quiz on Light-Independent Reactions of Photosynthesis

What is the light-independent reaction also known as?

• Krebs Cycle

• Citric Acid Cycle

• Electron Transport Chain

• Calvin Cycle

Where does the light-independent reaction take place?

• Mitochondria

• Cytoplasm

• Stroma of the Chloroplasts

• Thylakoid Membrane

Which enzyme catalyzes the combination of CO₂ and RuBP?

• Phosphofructokinase

• ATP Synthase

• RuBisCO

• NADP+ Reductase

What is produced when CO₂ combines with RuBP?

• Ribulose-1,5-bisphosphate

• Glucose

• Glyceraldehyde-3-Phosphate

• 3-Phosphoglycerate

What is the primary purpose of the reduction phase in the Calvin Cycle?

• To regenerate RuBP

• To produce glucose

• To convert 3-PGA into G3P

• To phosphorylate RuBP

How many G3P molecules are used to regenerate three molecules of RuBP?

• Two

• Three

• Four

• Five

What happens to one out of every six G3P molecules produced?

• It is used to regenerate RuBP

• It is converted into starch

• It is used to synthesize glucose

• It is released as oxygen

Which of the following is NOT a product of the light-independent reactions?

• Glucose

• NADPH

• G3P

• RuBP