Quiz on Light Independent Reaction - Calvin Cycle

1. How many ATP and NADPH molecules are required to synthesize one molecule of glucose in C3 cycle?
18 ATP and 12 NADPH
12 ATP and 12 NADPH
12 ATP and 12 NADH
18 ATP and 12 NADH
2. The initial CO2 acceptor in C3 cycle is
Phosphoeneolpyruvate
RuBP
phosphoglycolate
citrtic acid
3. Calvin cycle is involved in the
synthesis of glucose
synthesis of NADPH
synthesis of ATP
hydrolysis of water
4. How many molecules of 3-phosphoglycerate is synthesized from the reaction between 6 CO2 and 6 RuBp
3
6
12
18
5. How many ATP and NADPH molecules are used in the reduction phase to convert 3-phosphoglycerate to glyceraldehyde-3-phosphate?
6 ATP and 6 NADPH
6 ATP only
12 ATP and 12 NADPH
12 NADPH only
6. How many glyceraldehyde-3-phosphate is required to synthesize one glucose molecule?
2
3
6
12
7. The enzyme involved in CO2 fixation of C3 cycle is
RuBisO
RuBisCo
PEP carboxylase
Phosphoglycerokinase
8. C3 cycle involves all the steps except
Reduction
CO2 fixation
ATP synthesis
Regeneration of RuBp
9. The site of light independent reaction of photosynthesis is
Thylakoid membrane
Thylakoid lumen
Stroma
Grana
10. How many ATP and NADPH is used for the regeneration of 6RuBp molecules?
12 ATP and 6 NADPH
12 ATP only
6ATP and 6 NADPH
6 ATP only
Score =
Correct answers: