7. Ionizing radiation involves all of the following except
a. UV light
b. Gamma rays
c. Electron beams
d. X-rays

8. The term “zone of inhibition” is used in which of the following procedures?
a. Use-dilution test
b. Growth inhibition test
c. Disk-diffusion test
d. Multiple inhibition test

9. Chlorine belongs to which of the following chemical groups?
a. Halogens
b. Heavy metals
c. Phenols
d. Alcohols

10. All of the following are methods for food preservation except
a. Pasteurization
b. Disinfection
c. Irradiation

d. Ultrahigh-temperature pasteurization

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1 a UV light UV light is nonionizing radiation while the other options are ionizin... View the full answer