A landform is a natural feature of the solid surface of the Earth or other planetary body. Landforms together make up a given terrain, and their arrangement in the landscape is known as topography.
The leaf because it is the major structure for photosynthesis in a plant.he leaf would have the most chloroplasts because it is the major  structure for photosynthesis in a plant.
Chloroplasts are found in mesophyll cells (in the leaves) of green plants. Guard cells also contain chloroplasts. They are not normally found in the cells of roots! Their function is to produce glucose from carbon dioxide and water. To do this they need light energy. You should already know this. You should also know that they contain a green chemical called chlorophyll.