DCPIP turns colourless in a chloroplast suspension because it

  1. accepts electrons in place of NADP
  2. is broken down by heat
  3. absorbs CO₂
  4. releases oxygen
Answer

A) accepts electrons in place of NADP

DCPIP is reduced (Hill reaction). AS & A Level Biology · Topic 13 Photosynthesis · 13.2 Investigation of limiting factors

Biology MCQ · More A Level Biology: Photosynthesis MCQs · Practise