MCQ Chapter 6 Science Class 6 Maharashtra Board MCQ For All Chapters – General Science Class 6Substances in Daily Use 1. What is the main component of synthetic fibers like nylon and polyester?CottonHydrocarbonsMetalSilkQuestion 1 of 202. Which of the following is an example of an artificial fiber?CottonWoolRayonSilkQuestion 2 of 203. Why is nylon widely used in manufacturing fishing nets?It is cheapIt is biodegradableIt is strong and water-resistantIt absorbs waterQuestion 3 of 204. What is rayon made from?CoalCotton and wood pulpSilkPlasticQuestion 4 of 205. What is the disadvantage of synthetic fibers?They absorb sweat easilyThey catch fire easilyThey decompose quicklyThey are not durableQuestion 5 of 206. Which state in India produces the most rubber?MaharashtraKeralaGujaratMadhya PradeshQuestion 6 of 207. Which chemical is used to treat wood pulp in paper production?SulfurSodium hydroxideHydrochloric acidNitric acidQuestion 7 of 208. What is the major reason for using synthetic fibers?They are naturalThey are biodegradableThey are cost-effective and durableThey are heavier than natural fibersQuestion 8 of 209. What is the purpose of adding sulfur to rubber during vulcanization?To make it softerTo make it harder and more durableTo change its colorTo reduce weightQuestion 9 of 2010. What is the primary raw material used to manufacture glass?MetalSandPlasticWoodQuestion 10 of 2011. What type of change occurs when green chilies turn red?Physical changeReversible changeChemical changeTemporary changeQuestion 11 of 2012. Why are plastic raincoats preferred over cloth umbrellas?Plastic is waterproof and lightweightPlastic is heavierPlastic absorbs waterPlastic is expensiveQuestion 12 of 2013. What does the term "polymer chain" refer to?A chemical unit forming long chainsA type of metalA short fiberA natural fiberQuestion 13 of 2014. What is an advantage of paper recycling?It reduces deforestationIt increases the price of paperIt makes paper strongerIt makes paper waterproofQuestion 14 of 2015. What is the biggest disadvantage of synthetic fiber decomposition?It absorbs waterIt does not decompose easilyIt is cheapIt is stronger than natural fibersQuestion 15 of 2016. What makes synthetic fibers wrinkle-free?Their smooth textureThe presence of natural silkThe presence of metal fibersTheir chemical structureQuestion 16 of 2017. Which synthetic fiber is also called ‘synthetic silk’?NylonRayonPolyesterAcrylicQuestion 17 of 2018. Which of the following is a property of synthetic fibers?They absorb sweat wellThey catch fire easilyThey are biodegradableThey are made from natural materialsQuestion 18 of 2019. Why is saving paper important?To make books cheaperTo save trees and reduce wasteTo improve printing qualityTo make paper strongerQuestion 19 of 2020. Why do synthetic fibers have more demand?They are expensiveThey are hard to produceThey are cost-effective, durable, and lightweightThey are biodegradableQuestion 20 of 20 Loading...
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