What is the main function of photosystem I in photosynthesis?

What is the main function of photosystem I in photosynthesis?
  1. Absorption of 680 nm wavelength light
  2. Absorption of 700 nm wavelength light
  3. Water splitting
  4. Synthesis of NADPH + H⁺

Solution

In photosystem I, the reaction center chlorophyll a absorbs 700 nm wavelength of red light which causes the electrons to become excited and transferred to an acceptor molecule.

Asked in: NCERT

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