This set of Microbiology Multiple Choice Questions & Answers (MCQs) focuses on “Industrial Uses of Yeasts”. 1. Which among the following are not used as raw materials for alcohol production? a) corn b) molasses c) whey d) grapes 2. The organism used for alcohol fermentation should have a high tolerance for alcohol. a) True b) … Read more
This set of Microbiology Multiple Choice Questions & Answers (MCQs) focuses on “Industrial Uses of Bacteria”. 1. Which of the following microorganism produces dextran? a) Bacillus polymyxa b) Bacillus thuringiensis c) Leuconostoc mesenteroides d) Streptomyces olivaceus 2. Which of the following carbohydrates are mainly present in whey? a) glucose b) lactose c) fructose d) sucrose … Read more
This set of Microbiology Multiple Choice Questions & Answers (MCQs) focuses on “Microorganisms and Industry”. 1. Which of the following is not a desired characteristic of the organism to be used for industrial application? a) should produce less amount of product b) should be readily available c) should grow rapidly d) should be nonpathogenic 2. … Read more
This set of Microbiology Multiple Choice Questions & Answers (MCQs) focuses on “Microorganisms as Food”. 1. Which of the following microbe is used in the production of blue cheese? a) Streptococcus thermophilus b) Lactobacillus bulgaricus c) Penicillium roqueforti d) Rhizopus stolonifer 2. Pickled cucumber is made from fermented salt-stock pickles. a) True b) False 3. … Read more
This set of Microbiology Multiple Choice Questions & Answers (MCQs) focuses on “Preservation of Foods”. 1. The temperatures used for canning foods ranges from ____________________ a) 0-20 degree C b) 20-60 degree C c) 60-100 degree C d) 100-121 degree C 2. In the high-temperature short-time (HTST) method of pasteurization, milk is exposed to a … Read more
This set of Microbiology Multiple Choice Questions & Answers (MCQs) focuses on “Microbial Flora of Fresh Foods”. 1. Which of the following organism occurs on the skin of fresh poultry? a) pseudomonads b) staphylococci c) micrococci d) enterococci 2. What is the pH of the bananas? a) 2.3 b) 5.0 c) 7.0 d) 12.0 3. … Read more
This set of Microbiology Multiple Choice Questions & Answers (MCQs) focuses on “Wastewater and Treatment Processes”. 1. Which of the following sewerage systems carry domestic and industrial wastewater? a) sanitary sewers b) storm sewers c) combined sewers d) storm and combined sewers 2. The more oxidizable organic material, the lesser the BOD. a) True b) … Read more
This set of Microbiology online test focuses on “Determining Sanitary Quality of Water”. 1. Which of the following forms of water is the most contaminated? a) Underground water b) Rainwater c) Surface water d) Water stored in ice caps 2. Alum is used for which of the following purification process? a) Sedimentation b) Filtration c) … Read more
This set of Microbiology Multiple Choice Questions & Answers (MCQs) focuses on “Productivity of Aquatic Microorganisms”. 1. The primary producers in the marine system are ________________ a) protozoa b) cyanobacteria c) fungi d) cyanobacteria and eukaryotic algae 2. The primary producers transform radiant energy into heat energy. a) True b) False 3. The biological activity … Read more
This set of Microbiology Multiple Choice Questions & Answers (MCQs) focuses on “Aquatic Microorganisms. 1. Which of the following zones have considerable rooted vegetation? a) littoral zone b) limnetic zone c) profundal zone d) benthic zone 2. Which of the following layer is composed of soft mud or ooze? a) Photic zone b) Limnetic zone … Read more
