MCQ Chapter 6 Science Class 6 Maharashtra Board Substances in Daily Use 1. What are all substances made up of?Large particlesSmall particlesLiquid matterAir moleculesQuestion 1 of 202. Which of the following is an example of a biotic natural substance?SoilWaterCottonAirQuestion 2 of 203. What is the main factor considered when selecting materials for making objects?Weight of the materialProperties of the substanceAvailability of materialColor of the materialQuestion 3 of 204. What is an example of a man-made substance?LeatherWoolNylonCottonQuestion 4 of 205. Which of the following is a characteristic of natural substances?They are made in factoriesThey are derived from living or non-living thingsThey are always liquidThey do not decomposeQuestion 5 of 206. Which of the following is NOT a natural substance?SoilMetalCementWaterQuestion 6 of 207. What are the two types of natural substances?Solid and liquidBiotic and abioticMetal and non-metalHard and softQuestion 7 of 208. Which of the following materials is obtained from animals?JuteCottonLeatherSilkQuestion 8 of 209. Which process is used to make rubber harder and more durable?FermentationVulcanizationEvaporationDistillationQuestion 9 of 2010. Who discovered vulcanization?Thomas EdisonAlexander Graham BellCharles GoodyearIsaac NewtonQuestion 10 of 2011. What is paper mainly made from?PlasticMetalsConiferous treesRubberQuestion 11 of 2012. What is the first step in paper production?Pressing pulpRemoving bark from logsAdding dyesRolling paper into sheetsQuestion 12 of 2013. What is an advantage of synthetic fibers?They are expensiveThey absorb sweat easilyThey are lightweightThey decompose quicklyQuestion 13 of 2014. Which of the following is NOT a synthetic fiber?RayonTeryleneWoolNylonQuestion 14 of 2015. Why should paper be used efficiently?To save treesBecause it is expensiveTo improve qualityBecause it tears easilyQuestion 15 of 2016. Which synthetic fiber was named after New York and London?PolyesterRayonNylonTeryleneQuestion 16 of 2017. What is the main disadvantage of synthetic clothes in summer?They dry quicklyThey are uncomfortableThey absorb sweatThey are durableQuestion 17 of 2018. What is an irreversible change?A change that can be undoneA change that cannot be reversedA temporary changeA physical changeQuestion 18 of 2019. Why are plastic bags widely used for packaging?They are biodegradableThey are lightweight and waterproofThey are expensiveThey decompose quicklyQuestion 19 of 2020. Which industry in India first manufactured newsprint?BallarpurNepanagarMumbaiGujaratQuestion 20 of 20 Loading...
Leave a Reply