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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
- C₄ plants are also called
- In drumstick the seeds are dispersed by
- Taxon is the
- Which of the following is correctly stated as it happens in the common cockroach ?
- If the cell of root in wheat plant have 42 chromosomes then the number
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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