Mineral ions are usually absorbed by root hair cells by

  1. translocation
  2. transpiration
  3. osmosis
  4. active transport
Answer

D) active transport

Ions are taken up against a gradient using energy. O Level Biology · Topic 7 Transport in Flowering Plants · 7.1 Uptake and transport of water and ions

Biology MCQ · More O Level Biology: Transport in Flowering Plants MCQs · Practise