Answer:
Plastids are present only in plant cells there are two type of plastids chromoplast and leucoplast chromoplast containing the green pigment are known as chloroplast chloroplastor important for photosynthesis chloroplast also contain various Yellow or Orange pigments in addition to chlorophyll lucoplast are the primary organel is in which the material such as starch oil and protein granules are stored the internal organisation of chloroplast consists of numerous membrane layers embedded in material called stroma these are similar to mitochondria in external structure plastic also have their own DNA and ribosomes.