E-PolyLearning

211. Sweet and salty foods frequently don't require refrigeration to prevent spoilage because they have
a. insufficient nutrients
b. low pH
c. high concentration of solutes
d. toxic alkaline chemicals
View Answer Report Discuss 50-50!
Answer: (c).high concentration of solutes

212. Iodophores are mixture of
a. iodine and aldehydes
b. iodine and surface active agents
c. iodine and alcohols
d. iodine and phenols
View Answer Report Discuss 50-50!
Answer: (b).iodine and surface active agents

213. Which of the following compounds are commonly used as general antiseptics to treat cuts and scratches?
a. Aldehydes
b. Ethylene oxide
c. Halogens
d. None of these
View Answer Report Discuss 50-50!
Answer: (c).Halogens

214. Complete destruction of the microorganisms is commonly known as
a. disinfection
b. sterilization
c. antisepsis
d. none of these
View Answer Report Discuss 50-50!
Answer: (c).antisepsis

215. In microbiology, Prion is not
a. living cell
b. heat resistant
c. found in man
d. single cell protein
View Answer Report Discuss 50-50!
Answer: (a).living cell