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MCQs

Total Questions : 94 | Page 9 of 10 pages
Question 81. Name the site of pyruvate oxidation.
  1.    Cytosol
  2.    Mitochondrial matrix
  3.    Mitochondrial membrane
  4.    Nucleus
 Discuss Question
Answer: Option B. -> Mitochondrial matrix
Answer: (b).Mitochondrial matrix
Question 82. Name the inhibitor of glycolysis?
  1.    Fluoroacetate
  2.    Iodoacetate
  3.    Malonate
  4.    Actinomycin
 Discuss Question
Answer: Option B. -> Iodoacetate
Answer: (b).Iodoacetate
Question 83. How many molecules of CO₂ are produced by an acetyl group of acetyl-Co-A in a citric acid cycle?
  1.    3
  2.    5
  3.    1
  4.    2
 Discuss Question
Answer: Option D. -> 2
Answer: (d).2
Question 84. Which of these following enzymes does not take part in pyruvate –dehydrogenase complex?
  1.    Glyceraldehyde-3 phosphate dehydrogenase
  2.    Pyruvate dehydrogenase
  3.    Dihydrolipoyl transacetylase
  4.    Dihydrolipoyl dehydrogenase
 Discuss Question
Answer: Option A. -> Glyceraldehyde-3 phosphate dehydrogenase
Answer: (a).Glyceraldehyde-3 phosphate dehydrogenase
Question 85. What is the Warburg effect?
  1.    Shows increased glycolysis in Cancer cell
  2.    Disease caused by pesticide
  3.    Blockage of ATP synthesis
  4.    Inhibitor of glycolysis
 Discuss Question
Answer: Option A. -> Shows increased glycolysis in Cancer cell
Answer: (a).Shows increased glycolysis in Cancer cell
Question 86. Classification of organisms as oxygenic or anoxygenic during photosynthesis is based on ______
  1.    The presence of CO₂
  2.    The generation of oxygen
  3.    The presence of light
  4.    The presence of water
 Discuss Question
Answer: Option B. -> The generation of oxygen
Answer: (b).The generation of oxygen
Question 87. Name the physiochemical process in which chemical energy is produced by light energy with the help of a photosynthetic organism?
  1.    Photosynthesis
  2.    Respiration
  3.    Oxidative decarboxylation
  4.    Oxidative phosphorylation
 Discuss Question
Answer: Option A. -> Photosynthesis
Answer: (a).Photosynthesis
Question 88. Mark the correct equation for Respiratory quotient?
  1.    RQ = O₂ produced/CO₂ consumed
  2.    RQ = CO₂ produced/ O₂ consumed
  3.    RQ = H₂O produced/ CO₂ consumed
  4.    RQ = H₂O produced/ O₂ consumed
 Discuss Question
Answer: Option B. -> RQ = CO₂ produced/ O₂ consumed
Answer: (b).RQ = CO₂ produced/ O₂ consumed
Question 89. Which of the following is an anoxygenic photosynthetic organism?
  1.    Plants
  2.    Photosynthetic protists
  3.    Cyanobacteria
  4.    Green and Purple photosynthetic organism
 Discuss Question
Answer: Option D. -> Green and Purple photosynthetic organism
Answer: (d).Green and Purple photosynthetic organism
Question 90. Which of the following is not a lipid-soluble photosynthetic pigment?
  1.    Phycobilins
  2.    Carotenoids
  3.    Chlorophyll
  4.    Xanthophylls
 Discuss Question
Answer: Option A. -> Phycobilins
Answer: (a).Phycobilins

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