Identify the microorganism/ group of microorganisms involved in the spoilage of the following food: a.. Canned curdled evaporated milk b. Blue cottony growth on oranges
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- Identify the microorganism/ group of microorganisms involved in the spoilage of the following food: a.. Canned curdled evaporated milk b. Blue cottony growth on orangesIdentify the microorganism/ group of microorganisms involved in the spoilage of the following food: a. Salmon pink discoloration of sauerkraut b. Blue cottony growth on oranges c. Canned curdled evaporated milkWhat are other food items that are derived from microbial processes? Identify the microorganisms involved in the production of these food microbiological products
- Why should caps of glassware be loosened first before sterilization? [Answer in not more than 2 sentences]Which of the following bacteria would be the most accurate indicatorof fecal contamination?a. Enterobacter aerogenes b. Thiobacillus acidophilus c. Escherichia coli d. Staphylococcus aureusDifferentiate between a pure culture, subculture, mixed culture,and contaminated culture. Define contaminant.
- (a) Increasing the number of microorganisms in a composting system through inoculum addition, hastens the decomposition process; (b) The heating of the compost pile up to thermophilic levels destroys weed seeds and kills plant pathogenic microorganisms A. If statement A is true B. if statement B is true C. both statement A and B are true D. statement A nor B are trueEvery year, supposedly safe municipal water supplies causeoutbreaks of enteric illness.a. How in the course of water analysis and treatment might thesepathogens be missed?b. Why is there less tolerance for a fecal coliform in drinking orrecreational water than for other bacteria?Which of the following species of microbe is associated withbeing a good indicator of fecal contamination and an extremelyversatile opportunistic pathogen?(a) Escherichia coli (d) Shigella dysenteriae(b) Campylobacter jejuni (e) Salmonella typhi(c) Yesinia enterocolitica
- Which of the following treatments of sewage involves the use of anaerobic bacteria?A. Primary sedimentation tanksB. Aeration tanks in secondary treatmentC. Settling tanks in secondary treatmentD. Flat plate collectorE. Sludge digesterWhich concentration of alcohol is the most effective germicide?a) 100% b) 75% c) 50%d) 25% e) 5%Discuss a selected local fermented food or drink giving particular attention to the fermentation procedure (natural or controlled culture), desired products, byproducts and the key fermentative microbes involved.