Long answer·Standard multi-step (3/5)·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
During the specimen practical, students study Spirogyra, mushroom, moss, fern, pine cone, Amoeba, Hydra, tapeworm, Ascaris, earthworm, butterfly, snail and starfish from specimens or models. How should the observation record be made useful?
Total: 5 marks
(a) State three useful columns for the observation table. (3 marks)
(b) Explain why only writing the name of each specimen is weak evidence. (2 marks)
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