MCQ Chapter 5 General Science Class 7 Maharashtra Board MCQ For All Chapters – General Science Class 7Food Safety 1. Which nutrient is primarily obtained from jowar, wheat, millet, and rice?ProteinsCarbohydratesFatsVitaminsQuestion 1 of 202. What is the main function of proteins in the body?Energy supplyGrowth and repair of tissuesTemperature regulationWater retentionQuestion 2 of 203. What happens if food materials are spoiled by insects?They become more nutritiousThey may cause disease or illnessThey taste betterThey last longerQuestion 3 of 204. What indicates that food is spoiled?Change in color and tasteImproved textureIncreased nutrient contentBetter odorQuestion 4 of 205. Which factor can spoil food during transportation?Proper storageImproper handlingCool temperaturesAir-tight packingQuestion 5 of 206. What type of spoilage occurs when meat becomes sour?Physical damageChemical reactionInsect infestationOvercookingQuestion 6 of 207. Why is food wastage a concern according to the document?It increases food productionMany people face hungerIt improves food qualityIt reduces costsQuestion 7 of 208. What is an example of quantitative wastage of food?OvercookingInadequate threshingExcessive use of preservativesWashing vegetables after cuttingQuestion 8 of 209. Which practice leads to qualitative wastage of food?Serving small portionsWashing vegetables after cuttingProper storageBuying only what is neededQuestion 9 of 2010. What is a recommended way to prevent food wastage?Buy excessive amountsServe only as much as you can eatOvercook foodIgnore expiry datesQuestion 10 of 2011. What is the purpose of food protection?To enhance flavorTo prevent spoilage by microbes and pestsTo increase nutrient contentTo speed up cookingQuestion 11 of 2012. What does food preservation aim to achieve?Shorten food shelf lifePrevent spoilage due to internal factors for a long periodIncrease microbial growthReduce food qualityQuestion 12 of 2013. Why does freezing help preserve food?It speeds up chemical reactionsIt slows down biological and chemical reactionsIt increases microbial growthIt changes food colorQuestion 13 of 2014. Which gas is used to prevent fungal growth in potato wafer packets?OxygenCarbon dioxideNitrogenHydrogenQuestion 14 of 2015. What natural preservative is used in pickles?VinegarSaltSodium benzoateCitric acidQuestion 15 of 2016. Which chemical preservative is commonly used in sauces?SugarAcetic acid (vinegar)SaltNitrogenQuestion 16 of 2017. What method involves heating milk to 80°C for 15 minutes and cooling it quickly?IrradiationPasteurizationFreezingSmokingQuestion 17 of 2018. Who developed the pasteurization technique?Food and Drug AdministrationLouis PasteurFSSAIUnknown scientistQuestion 18 of 2019. What does irradiation use to destroy microbes in food?HeatIonizing radiationsCold temperaturesSaltQuestion 19 of 2020. Where in Maharashtra is an irradiation plant installed for onions and potatoes?Navi MumbaiLasalgaonPuneMumbaiQuestion 20 of 20 Loading...
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