Gibberellin in barley seeds is released by the

  1. aleurone layer
  2. embryo
  3. endosperm
  4. testa
Answer

B) embryo

The embryo produces gibberellin. AS & A Level Biology · Topic 15 Control and Coordination · 15.2 Control and coordination in plants

Biology MCQ · More A Level Biology: Control and coordination MCQs · Practise