NEET 2008 Biology question

Electrons from excited chlorophyll molecule of photosystem II are accepted first by

(1)Ferredoxin
(2)Cytochrome-b
(3)Cytochrome-f
(4)QuinoneCorrect

Answer: (4)

Solution

When the reaction centre P680 of photosystem II is excited, it loses an electron, which is accepted first by a primary electron acceptor (pheophytin) and then passed to plastoquinone (a quinone, PQ), the mobile carrier that

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Question ID VK-090077