AP BIOLOGY

Detailed explanation-1: -Parenchyma cells store food material in the form of oil, fats, proteins, and starch, for example, parenchymatous tissues in roots and stem tubers. So, parenchyma is a simple permanent tissue that helps in storing food in plants.

Detailed explanation-2: -Xylem Parenchyma: The cell wall is made up of cellulose. Storage Parenchyma: These store various substances like water, starch, proteins etc. They act as a food and water reservoir.

Detailed explanation-3: -Xylem parenchyma is the living tissue. It is responsible for the food storage. It is made up of small thin or thick walled parenchymatous cells.

Detailed explanation-4: -These parenchyma cells, called chlorenchyma cells, contain chloroplasts.