Long answer·Hard exam skill (4/5)·No calculator
Difficulty guide
The label describes the problem, not your ability.
1/5 - Foundational
Warm-up setup; checks one basic idea.
2/5 - Routine exam skill
Normal syllabus skill; usually one main rule or interpretation.
3/5 - Standard multi-step
Exam-style problem with multiple steps or a common trap.
4/5 - Hard exam skill
High-end exam problem; combines methods carefully.
5/5 - Challenge
Stretch problem beyond normal exam pressure.
Question
Write a board-style answer for the following Control and Coordination situatio. Which route must be identified first?
Total: 4 marks
(a) Identify the scientific idea being tested. (1 mark)
(b) Explain the reasoning using the data or observation. (2 marks)
(c) State one common wrong inference and correct it. (1 mark)
Something wrong with this item?