Which of the following is an effect of herbic | vedclass

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(D) Herbicides are chemical substances used to control or kill unwanted plants (weeds). Many herbicides,such as $DCMU$ ($3$-($3$,$4$-dichlorophenyl)$-

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All of the above

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(D) Herbicides are chemical substances used to control or kill unwanted plants (weeds). Many herbicides,such as $DCMU$ ($3$-($3$,$4$-dichlorophenyl)$-1,1-$dimethylurea),act by blocking the electron transport chain in photosynthesis. Specifically,they inhibit the photolysis of water,which is the light-dependent splitting of water molecules. Since the photolysis of water is responsible for the release of $O_2$ during photosynthesis,its inhibition directly leads to the inhibition of $O_2$ evolution. Furthermore,some herbicides interfere with the metabolic processes required for the translocation of organic solutes (sugars) through the phloem. Therefore,all the listed options are recognized effects of various types of herbicides.

Which of the following is an effect of herbicides?

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