Question:easy
Inhibitors of photosynthesis at photosystem II
Inhibitors of photosynthesis at photosystem II
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PSII inhibitors like ureas (diuron, isoproturon) and triazines (atrazine) cause characteristic interveinal chlorosis and necrosis in older leaves because the blocked photosynthetic apparatus produces highly toxic singlet oxygen under light.
Updated On: Jul 24, 2026
- Thiocarbamates
- Ureas
- Glycines
- Benzoic acids
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The Correct Option is B
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