Answer: B. chloroplast and cell wall.
Explanation:
Cell wall is the outer envelop structure which cover a plant cell. It provides a plant cell it's structure and rigidity. It is made up of rigid polysaccharide such as cellulose, pectin or hemicellulose. It protects the cell from the external environment. It prevents the entry of large molecules that can be toxic to cell.
Chloroplast is an organelle in the plant cell which consists of green pigement chlorophyll. This pigment absorbs the light energy from sun which is necessary for the process of photosynthesis in green plants.
Both cell wall and chloroplast are specialized structures present plants but not in animals.
