Need plant or animal cell organelle assessments for 2nd, 3rd, 4th, or 5th grade? These differentiated elementary-level structures & functions of organelles quizzes are an easy way to teach, practice, review, and assess the differences between animal and plant cells. With 8 different worksheets (answer keys included), there's something for every biology class! Organelles covered: cell membrane, cell wall, chloroplast, cytoplasm, nucleus, nuclear membrane, nucleolus, mitochondrion, rough endop