What is Respiration? [PPQs]

• Q1) Breakdown of glucose is complete in aerobic respiration whereas in anaerobic respiration, it is incomplete

  Aerobic respiration releases CO2 and H2O whilst anaerobic respiration releases only lactic acid

  
• Q3)

  a)C6H12O6

  b) Flask B - the woodlice are producing CO2 as they respire. Flask A - air has almost no CO2 in it

  
• Q3)

  c) Flask A acts as a control in this investigation. What is the purpose of a control?

  Compare effectiveness

  
• Q3)

  d) The student repeated the investigation with no woodlice. Describe the appearance of the limewater in flask A and B after 10 minutes

  Flask A would remain colourless

  Flask B would remain colourless