Notes from NEET topper

photosynthesis is completed in two phasesLight reaction:

A. Light reaction:

  1. It takes place in thylakoid disc/grana.

  2. Also known as light phase or photochemical reactions or light dependent reactions or Hill’s reactions

  3. Energy from sunlight is absorbed and converted to chemical energy (ATP and NADPH + H+)

  4. Oxygen evolution due to oxidation of water

  5. Involves PS1 and PSII