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MCQs

Total Questions : 211 | Page 8 of 22 pages
Question 71. A chlorophyll-like accessory pigment lacking Mg⁺² is
  1.    Pheophytin
  2.    Cytochrome c
  3.    Plastocyanin
  4.    Ferredoxin
 Discuss Question
Answer: Option A. -> Pheophytin
Answer: (a).Pheophytin
Question 72. A soluble Cu-containing electron transfer protein is
  1.    Pheophytin
  2.    Cytochrome c
  3.    Plastocyanin
  4.    Ferredoxin
 Discuss Question
Answer: Option C. -> Plastocyanin
Answer: (c).Plastocyanin
Question 73. Plastoquinol formed in PSII is oxidized by
  1.    Cytochrome b₆f
  2.    Cytochrome c
  3.    Cytochrome f
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Cytochrome b₆f
Answer: (a).Cytochrome b₆f
Question 74. Which of the following describes the complete route by which electrons flow H₂O to NADP⁺?
  1.    Z scheme
  2.    A scheme
  3.    B scheme
  4.    X scheme
 Discuss Question
Answer: Option A. -> Z scheme
Answer: (a).Z scheme
Question 75. Photosystem II is a
  1.    Pheophytin-quinone type
  2.    Ferredoxin type
  3.    Plastocyanin type
  4.    Plastocyanin-ferredoxin type
 Discuss Question
Answer: Option A. -> Pheophytin-quinone type
Answer: (a).Pheophytin-quinone type
Question 76. Photosynthesis takes place in sac like membranes called
  1.    Thylakoids
  2.    Grana
  3.    Photosystems
  4.    Photons
 Discuss Question
Answer: Option A. -> Thylakoids
Answer: (a).Thylakoids
Question 77. The carbon-assimilation reactions require ATP and NADPH in the ratio
  1.    3:2
  2.    2:3
  3.    3:4
  4.    4:3
 Discuss Question
Answer: Option A. -> 3:2
Answer: (a).3:2
Question 78. Which of the following systems has an associated water splitting activity resembling that of plants?
  1.    Photosystem
  2.    Photosystem I
  3.    Photosystem II
  4.    Photosystem III
 Discuss Question
Answer: Option C. -> Photosystem II
Answer: (c).Photosystem II
Question 79. Photosystem I uses which of the following in its photo-center?
  1.    P700
  2.    P800
  3.    P900
  4.    P600
 Discuss Question
Answer: Option A. -> P700
Answer: (a).P700
Question 80. The earliest photo synthesizers used which of the following as the source of hydrogen?
  1.    CO₂
  2.    C₆H₁₂O₆
  3.    H₂O
  4.    H₂S
 Discuss Question
Answer: Option D. -> H₂S
Answer: (d).H₂S

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