The strong inhibitor substance for PS II in photosynthesis is

Ethylene

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Chloroform

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Dichlorophenyl dimethyl urea

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Solution

The correct option is C Dichlorophenyl dimethyl urea
Dichlorophenyl dimethyl urea (DCMU) inhibits PS II by interrupting with electron transfer. It blocks the binding site of plastoquinone, primary electron acceptor thus hinders the process of photosynthesis. It is used for studying photosynthesis.

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Similar questions

Splitting of water molecules during light reaction of photosynthesis is associated with

(a) PS I resulting in the release of $O_{2}$ , protons and transfer of electrons to PS II

(b) PS II resulting in release of $O_{2}$ , protons and transfer of electrons to PS I

(d) PS I resulting in the release of $O_{2}$ , protons and transfer of electrons to PS I.

Of the above statements

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