Quiz  /  MCQ on Cellular Respiration

  • 1. 
    During cellular respiration, the carbon dioxide produced is

  • absorbed
  • taken out
  • stored
  • consumed

  • 2. 
    Oxidative phosphorylation is the production of?

  • NADH in respiration
  • ATP in respiration
  • NADPH in photosynthesis
  • ATP in photosynthesis

  • 3. 
    What is the end product of glycolysis?

  • Fructose I – phosphate
  • Glucose I – phosphate
  • Pyruvic acid
  • Acetyl CoA

  • 4. 
    Before pyruvate enters the Krebs cycle, the connecting link between Krebs cycle and glycolysis is changed to

  • PEP
  • Oxaloacetate
  • Pyruvate
  • Acetyl CoA

  • 5. 
    Reduction of NADP+ to NADPH is seen in

  • Glycolysis
  • HMP
  • EMP (1988)
  • Calvin cycle

  • 6. 
    Pick the incorrect statement regarding Krebs cycle

  • cycle starts with condensation of acetyl group with pyruvic acid to produce citric acid
  • during the conversion of succinyl Co-A to succinic acid, synthesis of a molecule of GTP occurs
  • at a point, reduction of FAD
  • the cycle has three points where reduction of NAD

  • 7. 
    In the cellular respiration of one molecule of glucose, _________ of energy is conserved as 38 ATP molecules

  • 686 Kcal
  • 456 Kcal
  • 654 Kcal
  • 277 Kcal

  • 8. 
    Which of these yields the maximum number of ATP molecules and is the ultimate respiratory substrate

  • Amylose
  • Glucose
  • Ketogenic amino acid
  • Glycogen

  • 9. 
    The CH bond of food in cellular respiration is disintegrated through

  • metabolism
  • catalysis
  • oxidation
  • reduction

  • 10. 
    ___________ is the incomplete oxidation of glucose into pyruvic acid involving many intermediate steps

  • Krebs cycle
  • HMS-pathway
  • Glycolysis
  • TCA-pathway
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