In a crop field, a weedicide is used to remove weeds in order to increase the yield but the effect of this weedicide blocks electron transport from photosystem II to photosystem I. This will result in

enhancement of dark reaction

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failure of ATP synthesis

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lack of reduction of NADP+

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(b) and (c) above.

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Solution

The correct option is D (b) and (c) above.
During the electron transport from photosystem II to photosystem I, ATP is synthesized and NADP+ is reduced to NADPH. So, the blockage of electron transport will stop ATP synthesis and the reduction of NADP+ to NADPH.

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In a crop field, a weedicide is used to remove weeds in order to increase the yield but the effect of this weedicide blocks electron transport from photosystem II to photosystem I. This will result in

The correct option is D (b) and (c) above.During the electron transport from photosystem II to photosystem I, ATP is synthesized and NADP+ is reduced to NADPH. So, the blockage of electron transport will stop ATP synthesis and the reduction of NADP+ to NADPH.

The correct option is D (b) and (c) above.
During the electron transport from photosystem II to photosystem I, ATP is synthesized and NADP+ is reduced to NADPH. So, the blockage of electron transport will stop ATP synthesis and the reduction of NADP+ to NADPH.