AQA 8461 GCSE Biology: Homeostastic Heroes and Responsive Champions
Question 1
Questions:
Question 2
Q1. Knowledge Recall (1 mark)
Define the term "stimulus".
Question 3
Q2. Application of Knowledge (2 marks)
Explain how receptors detect specific stimuli.
Question 4
Q3. Knowledge Recall (1 mark)
Name the glands that produce hormones.
Question 5
Q4. Application of Knowledge (2 marks)
Explain the role of insulin in regulating blood glucose levels.
Question 6
Q5. Extended Response (3 marks)
Describe the actions of adrenaline in response to stress.
Question 7
Q6. Knowledge Recall (1 mark)
State the function of auxins in plant growth.
Question 8
Q7. Application of Knowledge (2 marks)
Explain how an inherited genetic mutation can affect an organism's response to stimuli.
Question 9
Q8. Extended Response (3 marks)
Compare the endocrine and nervous systems in terms of their roles in homeostasis.
Question 10
Q9. Knowledge Recall (1 mark)
Name the hormone released by the pituitary gland that stimulates the release of thyroxine.
Question 11
Q10. Application of Knowledge (2 marks)
Explain how the reflex arc helps the body respond quickly to a threat.
Mark Schemes: