What are the two photosystems in the light reactions?

What are the two photosystems in the light reactions?
  1. Photosystem I and Photosystem II
  2. Photosystem III and Photosystem IV
  3. Photosystem V and Photosystem VI
  4. Photosystem VII and Photosystem VIII

Solution

The light reactions include two photosystems, Photosystem I (PS I) and Photosystem II (PS II).

Asked in: NCERT

Practice more Photosynthesis in Higher Plants questions on Aicharya