Bacteria in Microwave Ovens

How many bacterial species were found to flourish in microwave ovens according to the study?

• More than 100

• Less than 50

• Exactly 75

• Around 200

Where were the microwave ovens swabbed for the study?

• Only in kitchens

• In kitchens, labs, and other shared spaces

• Only in labs

• Only in cafeterias

Which bacterial strains were found in kitchen microwave ovens that can cause food-borne disease?

• Staphylococcus and Streptococcus

• Klebsiella and Brevundimonas

• Lactobacillus and Bifidobacterium

• Escherichia and Salmonella

What did DNA analysis of the bacterial colonies show?

• They were dominated by viruses

• They were dominated by fungi

• They were dominated by only Proteobacteria

• They were dominated by Proteobacteria, Firmicutes, Actinobacteria, and Bacteroidetes

Tags

NGSS.HS-LS3-1

What does Manuel Porcar suggest about cleaning microwave ovens?

• They do not need to be cleaned

• They should be cleaned more frequently than other kitchen surfaces

• They should be cleaned only once a month

• They should be cleaned as much as any other kitchen surface