While teaching about cells to his class 8 students, a teacher gives the examples of bricks just as buildings, though built of similar bricks, have different designs, shapes and size, so also the cells are basic structural units of living organisms. Which pedagogic device is the teacher using?

Correct option is A

By comparing cells to bricks in buildings, the teacher is employing an analogy.
An analogy is a pedagogic device that involves drawing similarities between two different things or concepts to help students understand and relate to a new or abstract idea.