Label Diagram Of A Dog's Hind Limb Quiz Online. This is a biology quiz for children in 2nd, 3rd, 4th, 5th and 6th grades. Learn how to label the different parts of a dog's hind limb in this interactive quiz test online. After practing online or before, print out the worksheet below and get more offline practice. Teachers can use this quiz to test their student's while parents can use it to prepare their kids at home or simply as an extra homework practice.