Read the sentence.

The student (whom Mr. Stein chose) was first in her class.

The (bolded words) are what kind of clause?

noun clause

adverb clause

adjective clause

Adjective clause because it answers who.

The clause whom Mr. Stein chose is an example of an adjective because the clause describes the word student. Student is the subject of the sentence and is a noun. An adjective describes a noun or another subject. an adverb describes a verb or another adverb.