Final answer:
The cheese that comes on the quinoa and arugula salad is not specified. Different types of cheese, such as feta, goat cheese, and Parmesan, can be used in salads.
Step-by-step explanation:
The cheese that comes on the quinoa and arugula salad is not specified in the given information. However, there are different types of cheese that can be used in salads, including feta, goat cheese, and Parmesan. The choice of cheese depends on personal preference and the desired flavor profile of the salad.