Question

The diagram below represent a cell organelle

1. Name the part labeled Y. 
2. State the function of the part labeled X.

Answer 1

1. Stroma
2.    
   • Provides a large surface area for maximum packages of chlorophyll hence photolysis/splitting of water molecule.
   • Bearing photosynthetic pigments of chlorophyll molecules hence site for light dependent reaction, Where light is trapped for photolysis.