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O₂ evolution is directly associated with:
Options
(a) PS I
(b) PS II
(c) phytochrome
(d) phycocyanin
Correct Answer:
PS II
Explanation:
During photolysis of water the electrons released are picked up by P₆₈₀ photocentre of photosystem II. The electron extruded by the photocentre of photosystem II picked up by the quencher phaeophytin. From here the electron passes over a series of carriers in a downhill journey losing its energy at every step. The major carriers are plastoquinone (PQ), cytochrome b-f complex and plastocyanin (PC). But passing over cytochrome complex, the electron loses sufficient energy for the creation of proton gradie
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Topics: Photosynthesis in Higher Plants
(153)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Angiosperms have dominated the land flora primarily because of their
- Gigantism and acromegaly are caused due to increase of
- Which of the following is used to prevent bleeding in infants?
- In Krebs cycle OAA accepts acetyl CoA to form
- The beauty of Taj Mahal is endangered due to
Topics: Photosynthesis in Higher Plants (153)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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