Final answer:
A choral response is when students answer a teacher's question in unison, commonly used in teaching for various purposes such as engagement and memorization.
Step-by-step explanation:
The oral response of students (in unison) to a question or problem presented by the teacher is commonly referred to as a choral response. This teaching strategy is employed to engage the entire class and ensure that all students are following along with the material being taught. It is often used for learning drills, memorization, or checking collective understanding of a concept.