In translocation, sucrose is loaded into companion cells by

  1. osmosis
  2. cotransport with hydrogen ions
  3. simple diffusion
  4. endocytosis
Answer

B) cotransport with hydrogen ions

H⁺/sucrose cotransporters. AS & A Level Biology · Topic 7 Transport in Plants · 7.2 Transport mechanisms

Biology MCQ · More A Level Biology: Transport in plants MCQs · Practise