Biology Multiple Choice Questions and Answers for Different Competitive Exams

Multiple Choice Questions on Calvin Cycle

MCQ on Calvin Cycle, Dark reaction,or C3 Cycle)

1. Which of the following is the correct statement regarding Calvin Cycle?

a) it cannot occur during day time

b) it is light dependent

c) it is light independent

d) it occurs rapidly at night

MCQ on Calvin Cycle

2. The rate limiting step of Calvin cycle is catalyzed by

a) RuBisCO

b) Phosphoglycerate kinase

c) Ribose phosphate isomerase

d) transketolase


3. How many phosphoglyceraldehyde is required to form a glucose molecule?

a) 1

b) 2

c) 3

d) 4


4. Which of the following is involved in the activation of RuBisCO?

a) K+

b) Zn2+

c) Mg2+

d) Ca2+


5. How many ATP is required for the synthesis of 1 molecule of glucose?

a) 6

b) 12

c) 18

d) 24


6. How many NADPH is required for the synthesis of 1 molecule of glucose?

a) 6

b) 12

c) 18

d) 24


7. All the following enzymes are involved in regeneration of RuBP except   

a) Phosphoglycerate kinase

b) Transketolase

c) Ribose phosphate isomerase

d) Phosphoribulokinase


8. How many ATP is required for the regeneration of RuBP in Calvin cycle?

a) 6

b) 12

c) 18

d) 24

9. The first stable compound formed in Calvin Cycle is

a) Glyceraldehyde 3 phosphate

b) 1,3 bi phosphoglycerate

c) 3-phosphoglyceric acid

d) Ribulose bi phosphate


10. Calvin cycle is also called as   

a) Reductive pentose phosphate cycle

b) CBB cycle

c) Dark reaction

d) All of these

 Try This MCQs: MCQ on Photosynthesis

Practice Test on Photosynthesis

Answers

1. c) it is light independent

2. a) RuBisCO

3. b) 2

4. c) Mg2+

5. c) 18

6. b) 12

7. a) Phosphoglycerate kinase

8. a) 6

9. c) 3-phosphoglyceric acid

10. d) All of these



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