Respiration MCQ

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• Mark the correct equation for Respiratory quotient?
  ক

  RQ = O2 produced/Co2 consumed

  খ

  RQ = Co2 produced/ O2 consumed

  গ

  RQ = H2O produced/ Co2 consumed

  ঘ

  RQ = H2O produced/ O2 consumed
• What is the Warburg effect?
  ক

  Shows increased glycolysis in Cancer cell

  খ

  Disease caused by pesticide

  গ

  Blockage of ATP synthesis

  ঘ

  Inhibitor of glycolysis
• Which of the following is CORRECT for the Pasteur Effect?
  ক

  Utilization of glucose for fermentation

  খ

  Increased glucose consumption by yeast in anaerobic condition

  গ

  Fermentation favors aerobic condition more than anaerobic

  ঘ

  Increased consumption of glucose by yeast in aerobic condition
• What is the Cori cycle?
  ক

  Glyoxylate cycle

  খ

  Gluconeogenesis

  গ

  Lactic acid cycle

  ঘ

  Citric acid cycle
• Fermentation is similar to anaerobic respiration.
  ক

  True

  খ

  False
• What is the total yield of ATP from complete oxidation of one molecule of glucose?
  ক

  32

  খ

  10

  গ

  8

  ঘ

  40
• Name the physiological uncoupler which stops ATP synthesis.
  ক

  2, 4-dinitrophenol

  খ

  Dicoumarol

  গ

  FCCP

  ঘ

  Thermogenin
• Out of the following, which one is not the inhibitor of the electron transport chain?
  ক

  Rotenone

  খ

  Antimycin A

  গ

  Cyanide

  ঘ

  Malonate
• Mark the INCORRECT statement about Coenzyme Q?
  ক

  It shows ubiquitous in nature

  খ

  It is also known as ubiquinone

  গ

  Q refers to the quinone chemical group

  ঘ

  It has a protein bound prosthetic group
• FeS and FAD are the prosthetic groups of ______
  ক

  Complex I

  খ

  Complex II

  গ

  Complex III

  ঘ

  Complex IV
• What is Respirasome?
  ক

  The supramolecular complex of complex I, II, and III

  খ

  Respiratory center of the body

  গ

  Complex III and IV of the electron transport chain

  ঘ

  The intermediate complex formed during oxidative phosphorylation
• Which of the following enzyme is inhibited by Fluoroacetate in Krebs cycle?
  ক

  Citrate synthase

  খ

  Aconitase

  গ

  Isocitrate dehydrogenase

  ঘ

  Fumarase
• How many molecules of Co2 are produced by an acetyl group of acetyl-Co-A in a citric acid cycle?
  ক

  3

  খ

  5

  গ

  1

  ঘ

  2
• Which of these following enzymes does not take part in pyruvate –dehydrogenase complex?
  ক

  Glyceraldehyde-3 phosphate dehydrogenase

  খ

  Pyruvate dehydrogenase

  গ

  Dihydrolipoyl transacetylase

  ঘ

  Dihydrolipoyl dehydrogenase
• Name the site of pyruvate oxidation.
  ক

  Cytosol

  খ

  Mitochondrial matrix

  গ

  Mitochondrial membrane

  ঘ

  Nucleus
• Name the inhibitor of glycolysis?
  ক

  Fluoroacetate

  খ

  Iodoacetate

  গ

  Malonate

  ঘ

  Actinomycin
• Which of these enzymes in glycolysis do not take part in an irreversible reaction?
  ক

  Hexokinase

  খ

  Phosphofructokinase

  গ

  Pyruvate kinase

  ঘ

  Glucokinase
• Glycolysis is also known as an Embden-Meyerhof pathway.
  ক

  True

  খ

  False
• Which of the following is not an aerobic reaction?
  ক

  Glycolysis

  খ

  Citric acid cycle

  গ

  Oxidative phosphorylation

  ঘ

  Fermentation
• Which of the following condition occur by incomplete oxidation of respiratory substrate?
  ক

  Feedback inhibition

  খ

  Feedback repression

  গ

  Aerobic condition

  ঘ

  Anaerobic condition
• What is respiratory substrate?
  ক

  The compounds which are reduced during respiration

  খ

  The compounds which are oxidized during respiration

  গ

  The intermediate compounds of respiration

  ঘ

  The end product of respiration
• Respiration is a ___________
  ক

  Oxidative process

  খ

  Reductive process

  গ

  Catabolite repression

  ঘ

  Intermediate process