Unripe pears are carried to shops in containers that normally remove ethene. In one container, the ethene-removing system stops working.
Which statement describes the most likely result?
The pears ripen early because ethene causes ripening.
The pears grow larger because ethene increases fruit size.
The seeds in the pears germinate because ethene ends dormancy.
The pears stay firm and unripe because ethene slows down ripening.
87 exam-style questions on AQA GCSE Biology 5.4 Plant hormones, covering 5.4.1 Control and coordination and 5.4.2 Use of plant hormones (HT only). Each one has a worked solution and a mark scheme showing where the marks go.