MCQ Science and Technology Part II Class 10 Chapter 5 Maharashtra Board Towards Green Energy 1. What device converts DC solar power to AC power?BatteryInverterTransformerGeneratorQuestion 1 of 202. In a solar thermal power plant, what concentrates sunlight?BatteriesReflectorsTurbinesGeneratorsQuestion 2 of 203. What is the role of the absorber in a solar thermal power plant?To rotate the turbineTo absorb concentrated sunlightTo generate electricityTo store energyQuestion 3 of 204. Which energy source has the highest contribution to global electricity generation?Nuclear energyCoalHydroelectricRenewable sourcesQuestion 4 of 205. What percentage of India’s electricity generation is from coal?14%60%15.7%41%Question 5 of 206. Why is fossil fuel energy not considered green energy?It is cost-effectiveIt causes environmental degradationIt is renewableIt is unlimitedQuestion 6 of 207. Which energy source is described as perpetual in the document?UraniumCoalWindNatural gasQuestion 7 of 208. What is an example of a green energy source in the document?CoalSolar energyNuclear energyNatural gasQuestion 8 of 209. Why is saving energy considered essential?To promote nuclear energyTo reduce environmental degradationTo increase fossil fuel useTo limit renewable energyQuestion 9 of 2010. What is a limitation of solar energy generation?It depletes fossil fuelsIt can only generate electricity during the dayIt causes air pollutionIt requires large water amountsQuestion 10 of 2011. Why do turbines vary in design across different power plants?To reduce efficiencyTo suit different energy sources and conditionsTo use the same energy sourceTo increase pollutionQuestion 11 of 2012. Why must the fission reaction in nuclear power plants be controlled?To reduce energy outputTo prevent harmful radiation releaseTo increase air pollutionTo deplete uranium reservesQuestion 12 of 2013. Why are hydroelectric, solar, and wind energy called renewable?They rely on fossil fuelsThey use non-depleting energy sourcesThey cause pollutionThey are limited in availabilityQuestion 13 of 2014. How can solar photovoltaic cells produce energy from mW to MW?By using a single cellBy connecting many cells in series and parallelBy burning fuelBy using nuclear fissionQuestion 14 of 2015. What is the capacity of the Vindhyanagar thermal power plant in Madhya Pradesh?4,000 MW4,760 MW3,340 MW4,620 MWQuestion 15 of 2016. What is the capacity of the Koyana hydroelectric power plant in Maharashtra?1,670 MW1,960 MW1,500 MW2,400 MWQuestion 16 of 2017. What is the capacity of the Samaralkota natural gas power plant in Andhra Pradesh?1,466 MW2,620 MW2,220 MW1,500 MWQuestion 17 of 2018. Which gas from burning fuels causes acid rain?HeliumNitrogen dioxideCarbon dioxideOxygenQuestion 18 of 2019. How long are coal reserves expected to last at the current usage rate?50 years100 years200 years500 yearsQuestion 19 of 2020. What environmental issue is linked to increased carbon dioxide from fossil fuels?Soil erosionGlobal warmingWater scarcityOzone depletionQuestion 20 of 20 Loading...
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