SACE Biology Stage 2 2027 Practice Pack 3

What is inside Pack 3?

Build your skills one topic at a time across all four compulsory Stage 2 Biology topics, then bring them together in checks and mixed revision.

• 18 topic sets with worked support, independent practice and self-checks.
• Two course checks and mixed revision, with the actual chapter counts listed below.
• Course-specific resource conditions stated in the question booklet.
• A printable skill review sheet to record what to revisit.
• Worked solutions, marking criteria, common errors and suggested next steps.

The 90-question total includes topic self-checks, course checks and mixed revision. The 18 worked examples are additional learning support.

Two PDFs in the pack

The question booklet and separate solutions booklet use matching question references.

What Pack 3 covers

The contents below follow the order in the question booklet. Each topic set includes its final self-check.

1. Check 1 — establish your biological reasoning

   18 questions
2. Topic 1DNA structure, chromosomes and replication

   2 questions
3. Topic 1RNA processing and protein synthesis

   2 questions
4. Topic 1Protein structure, binding and enzyme function

   2 questions
5. Topic 1Gene regulation, chromatin and mutation

   2 questions
6. Topic 1DNA extraction, PCR, sequencing and profiles

   2 questions
7. Topic 1Gene transfer, editing and designed proteins

   2 questions
8. Topic 2Cell theory, organelles and microscopy

   2 questions
9. Topic 2Membranes, exchange, gradients and geometry

   2 questions
10. Topic 2Photosynthesis, respiration and metabolic pathways

    2 questions
11. Topic 2Binary fission, cell cycle, mitosis and meiosis

    2 questions
12. Topic 2Cell and tissue culture, applications and limits

    2 questions
13. Topic 3Receptors, neural pathways, synapses and reflexes

    2 questions
14. Topic 3Hormones, targets and endocrine coordination

    2 questions
15. Topic 3Tolerance, limiting factors and integrated regulation

    2 questions
16. Topic 4Early-life evidence and endosymbiotic origins

    2 questions
17. Topic 4Comparative molecules, phylogenies and clocks

    2 questions
18. Topic 4Gene pools, evolutionary processes and speciation

    2 questions
19. Topic 4Succession, diversity, extinction and stewardship

    2 questions
20. Mixed revision — connect biological evidence

    18 questions
21. Check 2 — reason with fresh biological records

    18 questions

Total: 90 questions · 180 practice marks

How to use this resource

1. Start with a topic you are learning at school. You do not need to finish the whole course first.
2. Review the topic prerequisites and worked example. Attempt its practice questions, then the final self-check independently.
3. Use the separate solutions and marking guidance to check your reasoning and record a next step on your review sheet.
4. If you want a starting check, try Check 1 on topics you have already studied before viewing its solutions. Record untaught material as “Not yet studied”.
5. Return to mixed revision and Check 2 as you cover more topics and complete directed practice. Compare your independent work on the selected topics.

This is self-marked topic practice for Year 12 SACE Biology Stage 2. Use it alongside your school materials. Practice marks are a review aid and do not predict an assessment grade or ATAR.

Start with the free sample

Pack 0 provides an independent breadth preview of selected skills with the same self-marking approach. Open its page to check scope and current sample availability.

Independent practice resource

Original Skill Align topic practice for the course and edition shown above. Skill Align is an independent publisher and is not affiliated with or endorsed by SACE Board. The course checks support self-review; they do not predict an external examination grade or provide a validated diagnostic score.