Chemistry WCH12/01 January 2020 | Edexcel International AS Level Past Papers With Mark Scheme

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1. Plant hormones–functions: auxin, gibberellin, cytokinin, ethylene, abscisic acid
2. Phototropism–mechanism, role of auxin, unilateral light effects
3. Apical dominance–explanation, involvement of auxin, lateral bud inhibition
4. Seed dormancy–hormonal control, environmental triggers, abscisic acid vs. gibberellin
5. Leaf abscission–hormonal regulation, ethylene vs. auxin interaction
6. Fruit ripening–ethylene role, biochemical changes, commercial application methods

Edexcel International AS/A Level Chemistry (WCH) Jan 2020

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Classification: Unit 2

Page count: 28

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Last update: 19 days ago

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Chemistry WCH12/01 January 2020 | Edexcel International AS Level Past Papers With Mark Scheme

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