NEET Exam MCQs
Biology: Respiration in Plants
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Conversion of glucose to glucose-6-phosphate, the first irreversible reaction of glycolysis, is catalysed by
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Which of the following biomolecules is common to respiration-mediated breakdown of fats, carbohydrates and proteins?
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In glycolysis, during oxidation electrons are removed by
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In animal cells, the first stage of glucose breakdown is
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End product of glycolysis is
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EMP can produce a total of
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Incomplete oxidation of glucose into pyruvic acid with several intermediate steps is known as
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Which of the following statement is incorrect?
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Pyruvate dehydrogenase activity during aerobic respiration requires
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The number of substrate level phosphorylation in one turn of citric acid cycle is
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Where is respiratory Electron Transport System (ETS) located in plants?
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Which one of these statements is incorrect?
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What is the role of NAD+ in cellular respiration?
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Which statement is wrong for Krebs’ cycle?
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Oxidative phosphorylation is
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Which of the metabolites is common to respiration mediated breakdown of fats, carbohydrates and proteins?
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Aerobic respiratory pathway is appropriately termed
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The chemiosmotic coupling hypothesis of oxidative phosphorylation proposes that Adenosine Triphosphate (ATP) is formed because
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The overall goal of glycolysis, Krebs’ cycle and the electron transport system is the formation of
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All enzymes of TCA cycle are located in the mitochondrial matrix except one which is located in inner mitochondrial membranes in eukaryotes and in cytosol in prokaryotes. This enzyme is
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During which stage, in the complete oxidation of glucose are the greatest number of ATP molecules formed from ADP
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Chemiosmotic theory of ATP synthesis in the chloroplast and mitochondria is based on
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In which one of the following do the two names refer to one and the same thing?
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The mechanism of ATP formation both in chloroplast and mitochondria is explained by
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In Krebs’ cycle FAD participates as electron acceptor during the conversion of
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Oxidative phosphorylation involves simultaneous oxidation and phosphorylation to finally form
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Krebs’ cycle occurs in
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Which of the following is essential for conversion of pyruvic acid into acetyl Co-A?
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ATP is injected in cyanide poisoning because it is
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Out of 38 ATP molecules produced per glucose, 32 ATP molecules are formed from NADH / FADH2 in
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End product of citric acid/Krebs cycle is
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Link between glycolysis, Krebs’ cycle and ?-oxidation of fatty acid or carbohydrate and fat metabolism is
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Oxidative phosphorylation is production of
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Terminal cytochrome of respiratory chain which donates electrons to oxygen is
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NADP + is reduced to NADPH in
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How many ATP molecules could maximally be generated from one molecule of glucose, if the complete oxidation of one mole of glucose to CO2 and H O2 yields 686 kcal and the useful chemical energy available in the high energy phosphate bond of one mole of ATP is 12 kcal?
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How many ATP molecules are produced by aerobic oxidation of one molecule of glucose?
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Net gain of ATP molecules during aerobic respiration is
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Respiratory quotient (RQ) for fatty acid is
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Respiratory substrate yielding maximum number of ATP molecule is
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Apparatus to measure rate of respiration and RQ is
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Maximum amount of energy/ATP is liberated on oxidation of
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When one glucose molecule is completely oxidised, it changes
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Which one of the following statements about cytochrome 450 is wrong?
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RQ is
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In which one of the following processes CO2 is not released?
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The energy-releasing metabolic process in which substrate is oxidised without an external electron acceptor is called
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In alcoholic fermentation
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Fermentation is anaerobic production of
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Fermentation products of yeast are
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Life without air would be
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Out of 36 ATP molecules produced per glucose molecule during respiration
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