Two ways foods are used by the body are for growing and repairing tissues (they supply the materials to do it.) Another thing is they provide the body with energy.
Name two types of energy
rice and flour
temp and environment
Tacos and Burritos to name two.
Bananas and Oranges
it is coal and wind energy
electrical energy to heat energy or electrical energy into kinetic energy
cheese and yogert
Curry and chips.
I do not think there is a name for food grown without pesticide. There is a name for foods grown with pesticides (normally infers chemical pesticide) and there is also a name for foods grown with organic pesticides. But these are two completely different animals.
by matter and energy