AQA · Biology · 8461
GCSE Biology: Use of plant hormones
Homeostasis and response · AQA GCSE Biology (8461), specification point 4.5.4.2. Cards are generated from the exam board's own specification for "Use of plant hormones", and every card links back to the page it came from. Higher tier only. Separate science only. Specification © AQA — used with attribution.
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Which plant hormone is used as a weed killer?
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Auxins.
Rooting powders contain the plant hormone ?.
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auxin
Which plant hormone is used to promote growth in tissue culture?
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Auxins.
Which plant hormone does the food industry use to control fruit ripening?
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Ethene.
Why is ethene used during the storage and transport of fruit?
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To control ripening, so fruit can be shipped unripe and ripened when needed.
Which plant hormone can be used to end seed dormancy?
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Gibberellins.
Gibberellins can be used to promote ? in plants.
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flowering
Which plant hormone is used to increase fruit size?
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Gibberellins.
In which two industries are plant growth hormones commonly used?
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Agriculture and horticulture.
How can using auxin-based weed killers affect biodiversity?
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They kill broad-leaved plants, reducing plant diversity and the organisms that depend on those plants.
During which type of cell division is the chromosome number halved?
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Meiosis.
What is the process of transferring genes from one species into another's genome called?
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Genetic engineering.
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