What term is commonly used to describe foods that are grown without the use of synthetic pesticides?

Organic food

Explanation:

Organic food is the food grown by the agriculturists and farmers following the practices of organic farming.

The organic farming practices include the use of biological pesticides, restrict the use of synthetic products, no use of irradiation and promote ecological balance and conserve biodiversity.

The organic food provides many benefits as their nutrient content is high, the food is not contaminated with synthetic chemicals like growth hormones, are not genetically modified.

Thus, Organic food is the correct answer.