SCSA Human Biology Performance

Overall average 71.6%54,110 questions answered2026 data

Score by Unit & Topic

Full syllabus

Homeostasis and disease

72.1%
Science Inquiry Skills
74.7%
Science as a Human Endeavour
74.1%
Endocrine system
65.3%
Central and peripheral nervous system
69.6%
Homeostasis
69.1%
Response to infection
71.6%

Human variation and evolution

71.1%
Science Inquiry Skills
72.4%
Science as a Human Endeavour
73.3%
Mutations
71.4%
Gene pools
68.6%
Evidence for evolution
71.8%
Hominid evolutionary trends
68.7%

Score by Past Paper

2026 data

2025
63.3%
2024
61%
2023
70.6%
2022
65.5%
2021
69.6%
2020
62.2%

Score by Question Type

2026 data

Extended Response
55.6%
Multiple Choice
73.9%
Short Answer
68.3%

Cognitive Verb Performance

2026 data

Analyse
72.4%
Assess
62.7%
Calculate
57%
Compare
62%
Construct
74.8%
Contrast
72.6%
Deduce
64.3%
Define
61.4%
Describe
65.3%
Design
66.7%
Determine
57.7%
Discuss
69.9%
Distinguish
65.8%
Draw
70.5%
Estimate
0%
Evaluate
72.8%
Explain
66%
Identify
66.1%
Infer
80.3%
Justify
70.9%
Label
74.8%
Name
69.3%
Outline
66.6%
Predict
69.5%
Present
53%
Propose
87.7%
Provide
48.9%
Recommend
100%
Select
85.6%
Sketch
56%
State
74.6%
Write
35.7%

Study Guides

WACE Human Biology Hardest Topics: Where Students Lose the Most MarksAverage scores in WACE Human Biology by past paper, topic, question type and command verb, plus the high-weight low-score revision list.WACE Human Biology Most Tested Topics: What the SCSA Exams CoverMarks by topic and dot point across 6 SCSA Human Biology external papers, 2020 to 2025, plus the question type and cognitive verb mix.

Frequently Asked Questions

What are the hardest SCSA Human Biology topics?
Based on student performance on AusGrader in 2026, the hardest SCSA Human Biology topics are Endocrine system (65.3%), Gene pools (68.6%), Hominid evolutionary trends (68.7%). Focus your revision on these areas for the biggest score improvement.
What are the easiest SCSA Human Biology topics?
Based on student performance on AusGrader in 2026, the highest-scoring SCSA Human Biology topics are Science Inquiry Skills (74.7%), Science as a Human Endeavour (74.1%), Science as a Human Endeavour (73.3%).
What are the most common command words in SCSA Human Biology exams?
The most frequently tested command words in SCSA Human Biology are Explain, Identify, Describe, Outline, State. Practising responses to these verbs is a high-impact study strategy.

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