Cell vacuole contains which of the following?
Plant cell vacuoles contain water and metabolic wastes. They are widely diverse in form, size, content and functional dynamics and a single cell may contain more than one kind of vacuole. 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. Thus, the correct answer is option D.