13. Regular intake of fresh fruits and vegetables is recommended in the diet since they are a good source of antioxidants. How do antioxidants help a person to maintain health and promote longevity?

1. They activate the enzymes necessary for vitamin synthesis in the body and help to prevent vitamin deficiency

2. They prevent excessive oxidation of carbohydrates, fats and proteins

3. They neutralise the free radicals produced in the body during metabolism

4. They activate certain genes in the cells of the body and help to delay the ageing process

Correct Answer :

They neutralise the free radicals produced in the body during metabolism