OCR GCSE Biology B · J257
Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Higher), Paper 4 (Higher)
Revise: Gibberellins and EtheneThey are also involved in bolting in response to cold or lack of water. In this context, bolting means producing flowers in an attempt to reproduce before the plant dies. For example, worsening water shortage may threaten a plant's survival.