MCQ Science and Technology Part II Class 10 Chapter 2 Maharashtra Board Life Processes in Living Organisms Part -1 1. What is pyruvic acid converted into during aerobic respiration after glycolysis?Lactic acidAcetyl-Coenzyme-AEthanolGlucoseQuestion 1 of 202. How many CO₂ molecules are released during the conversion of pyruvic acid to Acetyl-CoA?OneTwoThreeFourQuestion 2 of 203. Where does the Krebs cycle (TCA cycle) occur in the cell?CytoplasmNucleusMitochondriaEndoplasmic reticulumQuestion 3 of 204. What is fully oxidized during the Krebs cycle?GlucosePyruvic acidNADH₂Acetyl part of Acetyl-CoAQuestion 4 of 205. Which molecules are produced in the Krebs cycle?Glucose, ATP, CO₂CO₂, H₂O, NADH₂, FADH₂Pyruvic acid, NADH₂, O₂Lipids, proteins, ATPQuestion 5 of 206. What do NADH₂ and FADH₂ do in aerobic respiration?Produce glucoseForm pyruvic acidParticipate in the electron transfer chain reactionStore lipidsQuestion 6 of 207. How many ATP molecules are produced from each NADH₂ in the electron transfer chain?TwoThreeFourFiveQuestion 7 of 208. How many ATP molecules are produced from each FADH₂ in the electron transfer chain?OneTwoThreeFourQuestion 8 of 209. Where does the electron transfer chain reaction occur?CytoplasmNucleusMitochondriaCell membraneQuestion 9 of 2010. What are the final products of aerobic respiration from one glucose molecule?Glucose and oxygenCO₂, H₂O, and energyPyruvic acid and ATPLactic acid and CO₂Question 10 of 2011. What does NAD stand for?Nicotinamide Adenine DinucleotideNitrogen Adenine DinucleotideNicotinamide Amino DinucleotideNucleotide Adenine DinucleotideQuestion 11 of 2012. What does FAD stand for?Flavin Adenine DinucleotideFatty Acid DinucleotideFlavin Amino DinucleotideFermentation Adenine DinucleotideQuestion 12 of 2013. What is ATP often referred to as in the cell?Energy currencyEnergy storageEnergy transporterEnergy producerQuestion 13 of 2014. What is the chemical composition of ATP?Glucose, ribose, adenineAdenine, ribose, three phosphate groupsFatty acids, adenine, phosphateAmino acids, ribose, phosphateQuestion 14 of 2015. What happens to lipids when used for energy production?They are converted into glucoseThey are converted into fatty acidsThey are stored in musclesThey are converted into proteinsQuestion 15 of 2016. What are proteins converted into when used for energy production?GlucoseFatty acidsAmino acidsGlycogenQuestion 16 of 2017. Who discovered the process of glycolysis?Sir Hans KrebsGustav Embden, Otto Meyerhof, Jacob ParnasCharles DarwinWillard LibbyQuestion 17 of 2018. What is another name for the glycolysis pathway?Krebs cycleEmbden-Meyerhof-Parnas pathwayElectron transfer chainFermentation pathwayQuestion 18 of 2019. Who discovered the cyclical reactions of the tricarboxylic acid cycle?Gustav EmbdenOtto MeyerhofSir Hans KrebsJacob ParnasQuestion 19 of 2020. What is the Krebs cycle also known as?Glycolysis cycleElectron transfer cycleTricarboxylic acid cycleFermentation cycleQuestion 20 of 20 Loading...
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