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Question:

PS-II occurs only in the Stroma, Granal thylakoids, Stromal lamellae, or Matrix?

Matrix.

Stroma.

Granal thylakoids.

Stromal lamellae.

Solution:

Photosystem- II mostly occurs in the appressed regions of granal thylakoids whereas photosystem- I and ATP synthase are mostly located in the stroma thylakoids and the outer layers of grana.