Why should our food contain cereals, pulses, fruits and vegetables ?

On a daily basis, our food consists of cereals, pulses, vegetables and fruits. Why do we consume different variety of food materials?

What we do get from cereals, pulses, fruits and vegetables ?

Question 1
What do we get from cereals, pulses, fruits and vegetables?

What do we get from cereals, pulses, fruits and vegetables? [2 MARKS]

What are the sources of food ingredients like grains, cereals, vegetables and fruits?