Which of the following is a proper noun?

ground
friend
Georgia***
vegatable

Right.

The proper noun in the given options is "Georgia."

To determine if a word is a proper noun, you need to understand the definition and characteristics of a proper noun. A proper noun is a specific name given to a particular person, place, organization, or thing. It is always capitalized.

In this case, "Georgia" is a specific place name, referring to a U.S. state. It meets the criteria of a proper noun as it represents a specific location and is capitalized. Therefore, "Georgia" is the proper noun among the options provided.