AQA 8461 GCSE Biology: Homeostatic Symphony and Adaptive Responses
Question 1
Questions:
Question 2
Q1. Knowledge Recall (2 marks)
Define the term stimulus in the context of homeostasis.
Question 3
Q2. Application (3 marks)
Explain the role of a receptor in the spinal reflex arc.
Question 4
Q3. Extended Response (4 marks)
Describe the process of chemical synapsis between neurones.
Question 5
Q4. Knowledge Recall (1 mark)
Name the hormone produced by the pancreas that lowers blood glucose levels.
Question 6
Q5. Application (3 marks)
Explain how thyroxine affects the metabolic rate.
Question 7
Q6. Extended Response (4 marks)
Describe the role of adrenaline in the "fight or flight" response.
Question 8
Q7. Knowledge Recall (1 mark)
Name the plant hormone that promotes cell elongation.
Question 9
Q8. Application (3 marks)
Explain how auxins are used in agriculture to improve plant growth.
Question 10
Q9. Extended Response (4 marks)
Discuss the effects of ADH on water reabsorption in the kidney tubule.
Question 11
Q10. Knowledge Recall (2 marks)
Name the endocrine gland that produces glucagon.
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