I am always interested in learning new things, isn't it?
A descriptive quote is simply a quote that throughly describes and gives details about a subject or in this case a character.
Without more information on your assignment, my best understanding is that your teacher is looking for a quote from whatever literary piece you are reading that best describes each of the characters.
Take self-assessment tests and identify relevant accomplishments in school
1. has no receiver of action named - intransitive verbs
2. a principal part of verbs tense - linking verb
3. you will be seen - future passive
4. expresses time - past participle
5. is followed by a predicate adjective or predicate noun that renames or describes the subject
6. manner in which action is presented - verb mood
7. form their past and past participle by adding -ed, -d, or t - regular verb
The awenser is homophones.