1.1 Exam Facts, Format & Scoring

Key Takeaways

  • The Biology 30 diploma exam has 60 machine-scored questions of equal value: 48 multiple-choice and 12 numerical-response (Alberta Education).
  • The diploma exam counts for 30% of your final course mark; your school-awarded mark counts for the other 70%.
  • Alberta Education sets the acceptable standard at 50% and the standard of excellence at 80%.
  • Designed time is 3 hours, but you may take up to 6 hours; it is closed-book, English-only, and an approved calculator and data booklet are allowed.
  • Unit C (Cell Division, Genetics, Molecular Biology) is the heaviest at ~40%, followed by Unit A (~25%), Unit B (~20%), and Unit D (~15%).
Last updated: June 2026

What the Biology 30 Diploma Exam Is

Quick Answer: The Alberta Biology 30 Diploma Examination is a 60-question, machine-scored exam (48 multiple-choice + 12 numerical-response, all equal value) set by Alberta Education. It is worth 30% of your final course mark, designed for 3 hours, closed-book, and graded against an acceptable standard of 50% and a standard of excellence of 80%.

The Biology 30 diploma exam is a provincial, standardized exam written near the end of the Grade 12 Biology 30 course. It is set and scored by the Provincial Assessment Sector of Alberta Education, not by your individual teacher.

Because every student in Alberta writes the same exam, your score is a common benchmark. It contributes to your Alberta High School Diploma and is frequently used in post-secondary admission decisions, so the stakes are real.

The exam tests across three cognitive levels: remembering and understanding (recall and explain), applying (use a concept in a new situation), and higher mental activity (analyze data, evaluate, and solve multi-step problems). Roughly half the marks reward more than simple recall, so memorizing definitions is not enough — you must apply concepts to unfamiliar scenarios, diagrams, and data sets.

Format: 60 Questions, Two Item Types

The real diploma exam contains exactly 60 machine-scored questions of equal value. They split into two formats:

  • 48 multiple-choice (MC) questions — choose the single best answer from four options (A, B, C, D).
  • 12 numerical-response (NR) questions — calculate, order, or match to produce a numeric answer you grid onto a 4-digit field.

Questions appear as discrete items (each stands alone) and as context-dependent sets, where several questions share one stimulus such as a diagram, data table, graph, or short passage. Reading the shared stimulus carefully once saves time across the whole set.

Scoring and Standards

Every one of the 60 questions is worth the same. Your raw score is simply the number you answer correctly, so a hard numerical-response question is worth no more than an easy multiple-choice question — never burn five minutes on one item while leaving easy marks unanswered.

Alberta reports two reference points:

  • Acceptable standard = 50% — the minimum the program expects a passing student to demonstrate.
  • Standard of excellence = 80% — the level recognized as strong mastery.

There is no separate "pass" on the diploma in isolation. Your final course mark blends the 30% diploma exam with your 70% school-awarded mark, and you need a combined final mark of at least 50% to earn the course credit.

How the 30 / 70 Blend Works

The diploma is weighted at 30% of your final mark; your school mark supplies the other 70%. This blend matters strategically.

Worked example: suppose your school-awarded mark is 78% and you score 64% on the diploma. Your final mark is (0.70 x 78) + (0.30 x 64) = 54.6 + 19.2 = 73.8%.

Because the school mark is weighted more heavily, a strong term performance cushions a shaky exam — but a strong exam can still pull a borderline final mark up over the 50% threshold. Treat the diploma as the part of your grade you can most influence in the final weeks of focused review.

Flip the example to see the upside: a student with a 62% school mark who scores 82% on the diploma earns (0.70 x 62) + (0.30 x 82) = 43.4 + 24.6 = 68%. The twenty-point exam jump lifted the final mark by six points. Every percent you add on the diploma moves your final mark by about a third of a point, which is exactly why targeted exam review in the heaviest units pays off.

The Four Units and Their Weights

The exam samples the four units of the Biology 30 program of studies in proportion to their official weights. Plan your study time the same way — give the most hours to the heaviest units.

UnitTopicWeightApprox. questions
ANervous and Endocrine Systems~25%~15
BReproduction and Development~20%~12
CCell Division, Genetics & Molecular Biology~40%~24
DPopulation and Community Dynamics~15%~9

Unit C alone is roughly 40% of the exam — nearly as much as Units A and B combined. Genetics problem-solving (monohybrid, dihybrid, sex-linkage, pedigrees) and molecular biology (DNA, replication, protein synthesis) deserve the largest share of your practice time.

Logistics: Time, Tools, and Rules

Key administrative facts to anchor before exam day:

  • Designed time: 3 hours. Maximum time: up to 6 hours if you need it.
  • Closed-book, offered in English only.
  • An approved calculator is permitted, and the Biology 30 Data Booklet is provided.
  • The exam is paper-based and machine-scored at accredited Alberta schools and writing centres.
  • Registration is handled through myPass.

On fees: first-time funded Alberta students write for free. The rewrite fee is CAD $26.25 (incl. GST), and non-funded visiting or international students pay CAD $50.00 per exam (incl. GST). Because you may use the full 3 hours comfortably and have up to 6 available, time pressure is rarely the limiting factor — accuracy and content mastery are.

Test Your Knowledge

How is the Biology 30 diploma exam result combined with your school work to produce your final course mark?

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Test Your Knowledge

Which statement about the structure of the Biology 30 diploma exam is correct?

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