Answer:
Chloropast
Explanation:
Chloroplast is a type of plastid. It is a cell organelle present in the green plant cells. Each chloroplast is enclosed by a unit or double membranes. The ground substance or matrix is present within the inner membrane. It is called stroma. It is alkaline aqueous fluid contains enzymes for the carbon dioxide reduction into sugar (carbohydrate). Chloroplast contains the thylakoid membrane, which contains chlorophyll molecules.
