In the presence of DCPIP which statements would be true? (for this and other questions, assume there is an inexhaustible supply of DCPIP molecules; no matter how many electrons they steal, there are always more DCPIPs that can take more electrons)

A. Photosystem II would continue to split water because it is still losing electronsâ
B. There would be less pumping of protons into the lumen of the chloroplast (light blue)
C. Events in Photosystem I (which 'collects' electrons after cytochrome b) would proceed as usual
D. ATP yield would be unaffected

The correct statements are A and D

A.The photo-system will still continue to split water because it is still losing electrons

D.The ATP yield would be unaffected

Explanation:

DCPIP is a redox-sensitive dye, not an electron transport chain blocker, and hence, imparts change in the wavelength when electrons are transferred. This allows rest of the steps of photo-system to be carried on normally, including splitting of water to generate oxygen as well as generation of ATP.

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not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.