Responding to change: Survival and response (tropisms, taxes, kineses)
From Mock B · Paper 2 (topics 5–8)
4.12 marks
Distinguish between a taxis and a kinesis.
From Mock B · Paper 2 (topics 5–8)
4.23 marks
Explain how indoleacetic acid (IAA) causes a shoot to grow towards light.
From Mock B · Paper 3 (all topics, practical skills and essay)
5.12 marks
Woodlice were placed in a choice chamber with damp and dry sides. Describe how the student should set up the choice chamber.
From Mock B · Paper 3 (all topics, practical skills and essay)
5.23 marks
Of 30 woodlice, 22 moved to the damp side and 8 to the dry side. Calculate the chi-squared value and state whether the result is significant. (Critical value at P = 0.05 for 1 degree of freedom = 3.84.)
From Mock C · Paper 2 (topics 5–8)
53 marks
Describe a simple reflex arc and explain its importance.
From Mock C · Paper 3 (all topics, practical skills and essay)
725 marks
Write an essay on ONE of the following topics.
EITHER The importance of proteins in living organisms.
OR How organisms respond to changes in their environment.
You should select and use information from different parts of the specification.
Score 0 / 38 · 0 of 6 marked
This paper is written by Plasmo in the style of the AQA A-Level Biology exam. It is not a past paper and is not produced or endorsed by the exam board.