SCSA Biology Performance
Overall average 72%42,939 questions answered2026 data
Score by Unit & Topic
Full syllabusContinuity of species
72.1%
Surviving in a changing environment
71.7%
Score by Past Paper
2026 data
2025
77.2%
2024
71.5%
2023
59.7%
2022
72.5%
2021
68.9%
2020
72.3%
Score by Question Type
2026 data
Extended Response
49.4%
Multiple Choice
72.2%
Short Answer
71.3%
Cognitive Verb Performance
2026 data
Analyse
70.3%
Annotate
83.3%
Assess
80%
Calculate
60.7%
Compare
70.2%
Construct
71.1%
Contrast
73.4%
Define
72.5%
Describe
74.4%
Design
52.4%
Determine
77%
Discuss
71.2%
Distinguish
67.4%
Draw
62.9%
Evaluate
66.2%
Explain
66%
Identify
74.2%
Infer
91.2%
Justify
70.7%
Label
66.2%
Name
79.7%
Outline
71.3%
Predict
68%
Propose
89.5%
Provide
83.3%
Recommend
100%
Select
88.9%
Sketch
100%
State
74.2%
Write
25%
Study Guides
WACE Biology Hardest Topics: Where Students Lose the Most MarksAverage scores in WACE Biology by past paper, topic, question type and command verb, plus the high-weight low-score revision list.WACE Biology Most Tested Topics: What the SCSA Exams CoverMarks by topic and dot point across 6 SCSA Biology external papers, 2020 to 2025, plus the question type and cognitive verb mix.
Frequently Asked Questions
What are the hardest SCSA Biology topics?
Based on student performance on AusGrader in 2026, the hardest SCSA Biology topics are Homeostasis (70.3%), Heredity (70.8%), Science Inquiry Skills (71.4%). Focus your revision on these areas for the biggest score improvement.
What are the easiest SCSA Biology topics?
Based on student performance on AusGrader in 2026, the highest-scoring SCSA Biology topics are Science as a Human Endeavour (85.9%), Science as a Human Endeavour (77.3%), Science Inquiry Skills (75%).
What are the most common command words in SCSA Biology exams?
The most frequently tested command words in SCSA Biology are Explain, Identify, Justify, Describe, Outline. Practising responses to these verbs is a high-impact study strategy.
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