In the DCPIP investigation of yeast respiration, DCPIP

  1. absorbs CO₂
  2. produces oxygen
  3. accepts hydrogen and turns from blue to colourless
  4. turns blue when respiration occurs
Answer

C) accepts hydrogen and turns from blue to colourless

Redox indicator. AS & A Level Biology · Topic 12 Energy and Respiration · 12.2 Respiration

Biology MCQ · More A Level Biology: Energy and respiration MCQs · Practise