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MCQs

Total Questions : 72 | Page 4 of 8 pages
Question 31. The site of photophosphorylation is __________
  1.    Chloroplast
  2.    Mitochondria
  3.    Endoplasmic reticulum
  4.    Nucleus
 Discuss Question
Answer: Option A. -> Chloroplast
Answer: (a).Chloroplast
Question 32. Which enzyme helps in the flow of protons from the thylakoid to the stroma?
  1.    ADP synthase
  2.    ATP synthase
  3.    ADP hydrolase
  4.    ADP hydrolase
 Discuss Question
Answer: Option B. -> ATP synthase
Answer: (b).ATP synthase
Question 33. How many micromoles of CO₂ is fixed per milligram of chloroplast in an hour?
  1.    2.5
  2.    3
  3.    3.5
  4.    4
 Discuss Question
Answer: Option C. -> 3.5
Answer: (c).3.5
Question 34. Which of the following organisms lack photophosphorylation?
  1.    Algae
  2.    Cyanobacteria
  3.    Plants
  4.    Yeast
 Discuss Question
Answer: Option D. -> Yeast
Answer: (d).Yeast
Question 35. Which of the following organisms contain Chlorosome?
  1.    Green Sulphur bacteria
  2.    Blue green bacteria
  3.    Purple bacteria
  4.    Plant cells
 Discuss Question
Answer: Option A. -> Green Sulphur bacteria
Answer: (a).Green Sulphur bacteria
Question 36. In the conversion of ADP to ATP by the enzyme ATP synthase, which reaction helps in the movement of H⁺ across the membranes?
  1.    Redox reaction
  2.    Oxidation reaction
  3.    Chemiosmosis
  4.    Redox reaction
 Discuss Question
Answer: Option C. -> Chemiosmosis
Answer: (c).Chemiosmosis
Question 37. The inactivation of photosynthesis is known as photo inhibition.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 38. Which of the following protein is disrupted due to the disorder in photophosphorylation reaction?
  1.    C1
  2.    D1
  3.    H1
  4.    K1
 Discuss Question
Answer: Option B. -> D1
Answer: (b).D1
Question 39. Who discovered C3 cycle?
  1.    Melvin Calvin
  2.    Kolliker
  3.    Robert Brown
  4.    Rudolph Markus
 Discuss Question
Answer: Option A. -> Melvin Calvin
Answer: (a).Melvin Calvin
Question 40. Which of the following is an example of C3 plants?
  1.    Sugarcane
  2.    Cactus
  3.    Wheat
  4.    Corn
 Discuss Question
Answer: Option C. -> Wheat
Answer: (c).Wheat

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