AQA 8461 GCSE Biology: Ultimate Homeostasis and Response Revision
Question 1
Q1 - Knowledge Recall (2 marks)
Define the term "stimulus" and state where it is detected in the body.
Question 2
Q2 - Application of Knowledge (3 marks)
Explain the role of neurones in transmitting impulses.
Question 3
Q3 - Extended Response (4 marks)
Describe the structure of a synapse and explain how a nerve impulse is transmitted across it.
Question 4
Q4 - Knowledge Recall (1 mark)
Name the hormone that stimulates the liver to convert glycogen to glucose.
Question 5
Q5 - Application of Knowledge (3 marks)
Explain how the endocrine system maintains homeostasis in the body.
Question 6
Q6 - Extended Response (4 marks)
Describe the role of the hypothalamus and pituitary gland in the control of body temperature.
Question 7
Q7 - Knowledge Recall (2 marks)
Define the term "auxin" and state its role in plant growth.
Question 8
Q8 - Application of Knowledge (3 marks)
Explain how a reflex arc helps maintain homeostasis.
Question 9
Q9 - Extended Response (4 marks)
Discuss the factors that can affect the effectiveness of an enzyme.
Question 10
Q10 - Knowledge Recall (2 marks)
Name the hormone that is released in response to stress.