Read the story and answer the questions to test your comprehension.
The yam is a root vegetable that gets confused very often with a sweet potato. They're actualy not part of the same family and, when most people think of sweet potatoes, they're actually thinking of yams. Yams have a purplish skin and an orange inside and can weigh up to 150 pounds. They're starchy but have a sugary flavor and are really great for roasting.