CHLOROPLAST · Plastids are Cytoplasmic organelles of Photosynthetic protists and Plants that often possess pigments such as Chlorophylls and Carotenoids, and are the sites of synthesis and storage of food reserves. The most important type of plastid is the Chloroplast. · Chloroplasts (Greek “chloros” , meaning “green” and “plast” , meaning “form” or “entity”) are Light harvestings structures present in Algae and Plants and it is the site of Photosynthesis. · Chloroplast is an organelle that contains the Photosynthetic pigment Chlorophyll. · The size of the Chloroplast usually varies between 4 - 6 µm in diameter and 1 - 3 µm in thickness. · Chloroplasts are Oval or Biconvex in shape. · Chloroplasts are relatively large and readily visible with the Light microscope, and their number per cel...