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3.2 Coordination and control – the endocrine system

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Question 32
H

Bananas are picked while they are unripe and green. They are transported long distances in cool containers. Before they are sold, the bananas are exposed to a gas that is a plant hormone. Which statement gives the gas used and the reason the bananas are picked unripe?

[1]
A

auxin; unripe bananas are less easily damaged during transport

B

ethene; unripe bananas ripen more quickly during transport

C

ethene; unripe bananas are less easily damaged during transport

D

gibberellin; unripe bananas ripen more quickly during transport

Markscheme

3.2 Coordination and control – the endocrine system Questions

  1. GCSE
  2. /Biology
  3. /3.2 Coordination and control – the endocrine system

84 exam-style questions on OCR GCSE Biology 3.2 Coordination and control – the endocrine system, covering 3.2.1 Principles of hormonal coordination and control, 3.2.2 Roles of thyroxine and adrenaline, 3.2.3 Hormones in human reproduction, 3.2.4 Interactions of reproductive hormones, 3.2.5 Hormones in contraception, 3.2.6 Hormones in reproductive technologies, 3.2.7 Plant hormones in growth and coordination, 3.2.8 Effects of plant hormones, and 3.2.9 Uses of plant hormones. Each one has a worked solution and a mark scheme showing where the marks go.

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