Why Are the Reaction Centres of Photosystems Composed of Several

question 27

Multiple Choice

Why are the reaction centres of photosystems composed of several structurally different pigments?

• A) Excited electrons must pass through several pigments before they can be transferred to electron acceptors of the electron transport chain.
• B) This arrangement enables the plant to absorb light energy of a variety of wavelengths.
• C) This arrangement enables the plant to absorb more photons from light energy, all of which are at the same wavelength.
• D) This arrangement enables the reaction centre to excite electrons to a higher energy level.

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