Multiple choice

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 maintain health and promote longevity?

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

  2. The prevent excessive ox idatgion of carbohydrates, fats and proteins in the body and help avoid unnecessary wastage of energy.

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

  4. They activate certain genes in the cells of the body and help delay the ageing process.
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C Correct answer
Explanation

Antioxidants protect the body's cells against oxidants or free radicals. These can damage the cell's surface, alter its DNA or completely kill the cell. Oxidants or free radicals cause oxidative stress if the body does not have time to take care of them. It can lead to diseases. A diet naturally rich in antioxidants helps to protect the body. Fruits and vegetables are rich in antioxidants. So, fruits and vegetables are classed as protective food. Fruits and vegetables are good sources of vitamins and minerals. The recommended daily intake of green vegetables and fruits are 40 g and 85 g respectively. 

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