Which is a type of irradiation used to prevent food-borne illnesses? (a) gamma rays(b) microwaves(c) radio waves(d) beta waves

The correct answer is option A, that is, gamma rays.  

The procedure that is used to kill the bacteria that leads to food poisonings like E. coli and Salmonella are known as food irradiation. At the time of irradiation procedure, the food is exposed to beams like X-rays, gamma rays, or electron beams.  

This kind of radiation treatment is used to better the safety of food by prolonging the shelf-life, delaying or eliminating ripening or sprouting, and reducing the threat of foodborne illnesses.  

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