How would you identify the chloroplast?

Chloroplasts are green, so you can identify them by color under a microscope, but it is easier to identify them by their fluorescence if you have the right equipment (a blue light and a red optical filter). read more

Hence, chloroplasts allow for a plant to absorb the sunlight energy, being involved in photosynthesis process, while cell walls allow for the structure of a plant to be rigid. Since potato is a vegetable root and it does not need sunlight for growing inside soil, it has no chloroplasts because it is not directly exposed to sunlight. read more