Chloroplast Structure And Function(Cell Biology ) Questions and Answers

Question 1. Which redox-regulated protein controls the functioning of Calvin cycle?
  1.    CP4
  2.    CP8
  3.    CP12
  4.    CP16
Explanation:-
Answer: Option C. -> CP12
Answer: (c).CP12

Question 2. Who discovered C4 cycle?
  1.    Hatch and Slack
  2.    Kolliker
  3.    Robert Brown
  4.    Rudolph Markus
Explanation:-
Answer: Option A. -> Hatch and Slack
Answer: (a).Hatch and Slack

Question 3. How many times should the Calvin cycle happen, in order to obtain one glucose molecule?
  1.    2
  2.    4
  3.    3
  4.    6
Explanation:-
Answer: Option D. -> 6
Answer: (d).6

Question 4. What is the enzyme used in the conversion of pyruvate to phosphoenolpyruvate?
  1.    Pyruvate monophosphate dikinase
  2.    Pyruvate orthophosphate dikinase
  3.    Pyruvate monophosphate reductase
  4.    Pyruvate orthophosphate reductase
Explanation:-
Answer: Option B. -> Pyruvate orthophosphate dikinase
Answer: (b).Pyruvate orthophosphate dikinase

Question 5. Which of the following leaf anatomy is a characterization of C4 plants?
  1.    Piezo anatomy
  2.    Norman anatomy
  3.    Kranz anatomy
  4.    Richard anatomy
Explanation:-
Answer: Option C. -> Kranz anatomy
Answer: (c).Kranz anatomy

Question 6. Which of the following is an example of C4 plants?
  1.    Sugarcane
  2.    Wheat
  3.    Rice
  4.    Cactus
Explanation:-
Answer: Option A. -> Sugarcane
Answer: (a).Sugarcane

Question 7. What is the final product of the C4 cycle?
  1.    Aspartate
  2.    Malate
  3.    Oxalate
  4.    Acetate
Explanation:-
Answer: Option B. -> Malate
Answer: (b).Malate

Question 8. Where does the C4 pathway take place?
  1.    Bundle sheath
  2.    Xylem
  3.    Mesophylls
  4.    Phloem
Explanation:-
Answer: Option C. -> Mesophylls
Answer: (c).Mesophylls

Question 9. The C4 plants grow in the cold climate places.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
Explanation:-
Answer: Option B. -> False
Answer: (b).False

Question 10. The total carbon dioxide fixation done by the C4 plants is _________
  1.    3%
  2.    13%
  3.    23%
  4.    33%
Explanation:-
Answer: Option C. -> 23%
Answer: (c).23%