Why are cereals attributed as food plants?

Explanation

(i) Their greater adaptability and successful colonization on every type of habitat.
(ii) The relative ease of cultivation is other important quality of cereals.
(iii) They produce higher yield per unit area due to their tillering property.
(iv) The grains can be easily handled because the grains are dry and compact. They can easily be transported and stored without spoilage.
(v) They provide energy to the consumer due to its high calorific value.