Which of the Following Is NOT True Concerning Irradiation of Foods

Multiple Choice

Which of the following is NOT true concerning irradiation of foods?

A) Food consumed by NASA astronauts is sterilized by irradiation.
B) Foods become radioactive when irradiated.
C) Viruses are resistant to doses approved for foods.
D) A higher dose of radiation is necessary to kill microbes in frozen foods.
E) It is effective in eliminating parasites and bacteria.