Consider this plant cell , which organelle is labeled a

We can not tell you which organelle "a" is if we do not have the picture needed to answer the question : (

B. vacuole  vacuoles are membrane-bound sacs within the cytoplasm of a cell that function in several different ways. in  mature  plant cells, vacuoles tend to be very large and are extremely important in providing structural support, as well as serving functions such as storage, waste disposal, protection, and growth.