Learning objective
Carry out Required Practical 8 by investigating the effect of light or gravity on the growth of newly germinated seedlings.
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Topic
Plant hormones (biology only)
Subtopic
Control and coordination
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Quick explanation
Carry out Required Practical 8 by investigating the effect of light or gravity on the growth of newly germinated seedlings
- This point belongs to Plant hormones (biology only), especially Control and coordination.
- You need to be able to carry out Required Practical 8 by investigating the effect of light or gravity on the growth of newly germinated seedlings.
- The key ideas to know are required practical, light, and gravity.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
Why it matters
This objective helps connect Control and coordination to exam-style questions, flashcards, and revision notes for Plant hormones (biology only).
Quick student answer
What are the variables in the carry out Required Practical 8 by investigating the effect of light or gravity on the growth of newly germinated seedlings?
Direct answer
In Biology, this page helps you handle practical questions about carry out Required Practical 8 by investigating the effect of light or gravity on the growth of newly germinated seedlings in Plant hormones (biology only). Focus on the independent, dependent and control variables, the method, and how the evidence supports a conclusion. Key terms to check are Required Practical 8 and Phototropism.
Key terms
- Required Practical 8: An investigation that examines how light or gravity influences the growth of newly germinated seedlings.
- Phototropism: A plant growth response where shoots grow towards light, influenced by the distribution of plant hormones.
Common trap
Ignoring Control Variables: Ensure that all conditions except for the light or gravity treatment are kept constant to obtain valid results.
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Revision notestopic notes
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Open revision notesRelated learning objectives
- Describe plant hormones as chemicals that coordinate and control plant growth and responses.
Control and coordination
- Explain that plants respond to light and gravity using unequal distributions of plant hormones.
Control and coordination
- Describe phototropism as a plant growth response to light.
Control and coordination
- Describe gravitropism, or geotropism, as a plant growth response to gravity.
Control and coordination
- Explain how unequal distribution of auxin causes unequal growth in shoots and roots.
Control and coordination