OxfordAQA International GCSE Biology
OxfordAQA International GCSE Biology Plant Responses Exam Questions
Free OxfordAQA International GCSE Biology exam questions on Plant Responses, with mark schemes. Covers auxins, phototropism, gravitropism and uses of plant hormones.
Plant Responses exam questions
These packs of real past exam questions cover the whole of 3.4 Organisms' Interaction with the Environment, including Plant Responses. Work through every question on this sub-topic, then mark your answers against the mark scheme.
StemUp mark scheme flashcards
GCSE and IGCSE Biology Flashcards
Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Pick your exam board, then test yourself with the questions on this page.
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About OxfordAQA International GCSE Biology Plant Responses
This sub-topic covers plant responses.
What you need to know
- Auxin Unequal distribution causes bending.
- Tropisms Phototropism and gravitropism.
- Uses Weedkillers and rooting powder.
Common mistakes in Plant Responses
- Saying light pushes auxin.
- Mixing root and shoot responses.
Try two Plant Responses exam-style questions
1. State the effect of auxin in shoots. (1 mark)
Show the mark scheme answer
Stimulates cell elongation.
2. Give one commercial use of plant hormones. (1 mark)
Show the mark scheme answer
Rooting powder or ripening fruit with ethene.
Plant Responses FAQs
What does this cover?
Plant hormones and tropisms.
Which practical links here?
Effect of light on seedling growth.
Revise this topic with flashcards: GCSE and IGCSE Biology Flashcards, with mark scheme answers for Anki and Quizlet.
