Found in plant cells and in euglenoides. Chloroplasts, chromoplasts and leucoplasts are 3 types of plastids depending on pigments contained.
Chloroplasts are double membraned structure. Space limited by inner membrane is called stroma. Flattened membranous sacs called thylakoids in stroma. Chlorophyll pigments are present in thylakoids.
Function : Site of photosynthesis.
