Use of plant hormones (HT only)

Biology (Separate Science) · GCSE · AQA · AQA GCSE Biology - Higher Tier - (8461) · Specification point · 4.5.4.2 · Homeostasis and response · Plant hormones (biology only)

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Learning Objectives

4.5.4.2 Use of plant hormones (HT only)

Content	Key opportunities for skills development
$Students should be able to describe the effects of some plant hormones and the different ways people use them to control plant growth. Plant growth hormones are used in agriculture and horticulture. Auxins are used: as weed killers as rooting powders for promoting growth in tissue culture. Ethene is used in the food industry to control ripening of fruit during storage and transport. Gibberellins can be used to: end seed dormancy promote flowering increase fruit size.$	$WS 1.3, 1.4 Understand how the everyday use of hormones as weed killers has an effect on biodiversity.$

Content

Key opportunities for skills development

Students should be able to describe the effects of some plant hormones and the different ways people use them to control plant growth. Plant growth hormones are used in agriculture and horticulture. Auxins are used: as weed killers as rooting powders for promoting growth in tissue culture. Ethene is used in the food industry to control ripening of fruit during storage and transport. Gibberellins can be used to: end seed dormancy promote flowering increase fruit size.

WS 1.3, 1.4 Understand how the everyday use of hormones as weed killers has an effect on biodiversity.

Use of plant hormones (HT only) (4.5.4.2) | AQA GCSE Biology - Higher Tier - (8461) | KnowledgeSet