A-Level UK (AQA, Edexcel, OCR) · Biology

Homeostasis and coordination

8 practice questions, each with the answer and an explanation.

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Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 8 questions

  1. Which description of negative feedback is correct?
  2. After a meal rich in carbohydrate, what is the response of the pancreas and liver?
  3. What is the main cause of type 1 diabetes?
  4. The resting potential of a neurone is about -70 mV. Which process helps maintain it?
  5. What causes depolarisation during an action potential?
  6. Why does an action potential travel faster along a myelinated axon?
  7. What triggers the release of neurotransmitter at a synapse?
  8. How does ADH reduce the water content of urine produced?

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