Photosynthetic electron transport, like cellular respiration electron transport, is a series of redox reactions.

True
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I think it is true.

You are correct! Photosynthetic electron transport, just like cellular respiration electron transport, indeed involves a series of redox reactions.

To understand how to arrive at this answer, it's helpful to have some background knowledge. Photosynthesis is a process by which plants, algae, and some bacteria convert light energy into chemical energy in the form of glucose (a sugar molecule). Cellular respiration, on the other hand, is the process by which cells convert glucose into usable energy in the form of ATP (adenosine triphosphate). Both processes involve electron transport chains, which consist of a series of redox reactions.

To determine if the statement is true or false, one can rely on this background knowledge. The statement correctly states that both photosynthetic electron transport and cellular respiration electron transport involve a series of redox reactions. Therefore, the statement is indeed true.