MCQ Science and Technology Part II Class 10 Chapter 7 महाराष्ट्र Board Introduction to Microbiology 1. Which yeast is used in bread production?Saccharomyces cerevisiaeAcetobacterXanthomonasAspergillus oryzaeQuestion 1 of 202. What makes bread spongy during production?Lactic acidAcetic acidCarbon dioxideEthanolQuestion 2 of 203. Which nutrient is NOT part of commercial yeast?VitaminsChlorophyllProteinsCarbohydratesQuestion 3 of 204. Which Chinese food ingredient is produced by microbial fermentation?Soya sauceOilSugarSaltQuestion 4 of 205. What is the chemical composition of vinegar?4% citric acid4% gluconic acid4% acetic acid4% lactic acidQuestion 5 of 206. Which microbe is used in vinegar production?StreptococcusSaccharomyces cerevisiaeAcetobacterLactobacillusQuestion 6 of 207. Which fungus is used to produce soya sauce?Saccharomyces cerevisiaeAspergillus oryzaePseudomonasXanthomonasQuestion 7 of 208. Why are microbial enzymes preferred in the chemical industry?They need erosion-proof instrumentsThey are active at low temperature, pH, and pressureThey produce unnecessary by-productsThey require high temperaturesQuestion 8 of 209. What is a benefit of using microbial enzymes in industries?Higher energy consumptionMinimized purification expensesIncreased waste productionNeed for chemical catalystsQuestion 9 of 2010. Which microbial enzyme is mentioned in the document?AmylaseLipaseTransferaseProteaseQuestion 10 of 2011. What is the role of xanthan gum in food products?Increases acidityAdds colorImparts thicknessReduces sweetnessQuestion 11 of 2012. Which microbe produces xanthan gum?LactobacillusSaccharomycesXanthomonasAspergillusQuestion 12 of 2013. Which antibiotic is effective against tuberculosis?TetracyclineStreptomycinRifamycinPenicillinQuestion 13 of 2014. Which gaseous fuel is obtained by microbial decomposition of waste?NitrogenMethaneEthanolCarbon dioxideQuestion 14 of 2015. Which microbe produces ethanol as a fuel?XanthomonasAcetobacterSaccharomyces cerevisiaePseudomonasQuestion 15 of 2016. What type of fuel is ethanol classified as?Smoky fuelToxic fuelClean (smokeless) fuelSolid fuelQuestion 16 of 2017. Which gas is considered the fuel of the future?Carbon dioxideNitrogenHydrogenMethaneQuestion 17 of 2018. Which is a liquid form of biofuel mentioned in the document?Synthetic fibersVegetable oilsMetal alloysPlasticQuestion 18 of 2019. What is used to line pits in modern landfill sites to prevent soil pollution?Plastic sheetsMetal sheetsGlass panelsWooden planksQuestion 19 of 2020. What is produced from completely filled landfill pits?Synthetic fuelBest quality compostPlastic productsChemical fertilizersQuestion 20 of 20 Loading...
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