IB Bio 8.3 Light Independent Reactions

The light-independent reactions of photosynthesis are collectively known as the [?]

Carbon dioxide is fixed to [?] by the enzyme RuBisCo

Which of the following happens to Glycerate Phosphate to make Triose Phosphate?

• Reduction

• Oxidation

• Phosphorylation

• Photolysis

Which shows the correct order in which compounds are created during the light independent reactions, after carboxylation?

• GP -> TP -> RuBP -> Glucose

• RuBP -> G3P -> TP -> Glucose

• GP -> TP -> Glucose -> RuBP

• RuBP -> TP -> G3P -> Glucose

How many Triose Phosphate molecules are used to regenerate RuBP?

• 5

• 4

• 3

• 6

How many Triose Phosphate molecules are required to make one glucose molecule?

• 1

• 2

• 3

• 4

What is the function of NADPH in the Calvin Cycle?

• Phosphorylate G3P

• Reduce G3P

• Phosphorylate ADP

• Oxidise G3P

How many molecules of NADPH and ATP are required to make a glucose molecule?

• 6x NADPH and 9x ATP

• 6x NADPH and 6X ATP

• 12x NADPH and 9X ATP

• 12x NADPH and 18x ATP

How many carbon atoms are in Triose Phosphate and RuBP?

• TP 3 RuBP 5

• TP 5 RuBP 3

• TP 6 RuBP 6

• TP 6 RuBP 3

How many cycles are required to make 1 glucose?