Biology  by Bradford
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C1.2 Cell respiration: grass skirts

19 quick questions on cell respiration, 11 of them at standard level, each answered in a word or two. Print a sheet for each team, a key for the checker and a tick sheet, then tape the sheets to the board and race.

How it runs

  1. SnipA runner cuts one strip off the bottom of their team’s sheet.
  2. Answer as a pairBack at the table, they write the answer on the strip. No books.
  3. Get it checkedThe checker reads it against the key: you, or a student holding it.
  4. Back for the nextA tick earns the next strip. Wrong? Back to the table to try again.

The questions on this sheet

The checker’s key, with every answer, prints with the sheets.
  1. Cell's immediate source of usable energy
  2. What ATP becomes after losing a phosphate
  3. Uses oxygen, giving a large ATP yield
  4. Pathway ending in lactate or ethanol
  5. Product of muscle respiration without O₂
  6. Hexose sugar most commonly respired
  7. Organelle where aerobic respiration ends
  8. Gas used in aerobic but not anaerobic
  9. Splitting ATP using a water molecule
  10. Sealed tube measuring O₂ uptake by seeds
  11. Absorbs CO₂ released in a respirometer
  12. Coenzyme carrying hydrogen in respiration
  13. Glucose split to pyruvate in the cytoplasm
  14. Three-carbon end product of glycolysis
  15. Pyruvate to acetyl-CoA in the matrix
  16. Oxidizes acetyl groups, releasing CO₂
  17. Carriers on the cristae that pump protons
  18. Rotating enzyme driven by proton flow
  19. CO₂ released divided by O₂ taken in

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