
Yes, monocot and dicot plants are differentiated on the basis of their cotyledons in which the seeds are present. However, a closer look at the physiology of these plants reveal that there are differences in the shape of the leaves in dicots and monocots, which is a characteristic feature.
Examples of monocot plants are mango, onion, garlic, etc.
Examples of dicot plants are maize, wheat, grass, sugarcane, etc.