Articles > Quizzes & Surveys > Parenchyma definition – quiz Parenchyma definition – quiz Quiz Choose the best answer. 1. What is parenchyma? A complex tissue made up of different cells A mitotically active tissue with no other function but to divide A fundamental functional tissue that often comprises the bulk of an organ 2. In plants, which of the following is a parenchyma cell? Tracheid Sclereid Guard cell 3. Parenchymal cells providing buoyancy to aquatic plants Prosenchyma Aerenchyma Xylem parenchyma 4. In humans, the parenchymal cells involved in gaseous exchange Pulmonary parenchyma Hepatic parenchyma Renal parenchyma 5. In acoelomates, which body layer is chiefly parenchymatous? Ectoderm Mesoderm Endoderm Send Your Results (Optional) Your Name To Email Time is Up!