Edexcel International GCSE Biology
Edexcel International GCSE Biology Coordination and Response Exam Questions
Free Edexcel International GCSE Biology exam questions on Coordination and Response, with mark schemes. Covers the nervous system, reflexes, the eye, hormones, homeostasis and plant responses.
Coordination and Response exam questions
These packs of real past exam questions cover the whole of Section 2: Structure and Functions in Living Organisms, including Coordination and Response. Work through every question on this sub-topic, then mark your answers against the mark scheme.
StemUp mark scheme flashcards
Edexcel IGCSE Biology 4BI1 Flashcards (Anki & Quizlet)
Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Use them on Anki or Quizlet, then test yourself with the questions on this page.
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About Edexcel International GCSE Biology Coordination and Response
This sub-topic covers how organisms respond.
What you need to know
- Nervous system Neurones, synapses and reflex arcs.
- Hormones Insulin, adrenaline and reproductive hormones.
- Homeostasis Temperature and water control; plant tropisms.
Common mistakes in Coordination and Response
- Mixing nervous and hormonal speeds.
- Saying blood vessels move.
Try two Coordination and Response exam-style questions
1. Describe a reflex arc. (2 marks)
Show the mark scheme answer
Receptor to sensory neurone to relay neurone (1), then motor neurone to effector (1).
2. Explain phototropism. (2 marks)
Show the mark scheme answer
Auxin builds up on the shaded side (1), causing faster growth so the shoot bends to the light (1).
Coordination and Response FAQs
What does this cover?
Nerves, hormones, homeostasis and plant responses.
Which practical links here?
Investigating tropisms.
Revise this topic with flashcards: Edexcel IGCSE Biology 4BI1 Flashcards, with mark scheme answers for Anki and Quizlet.
