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Alberta Grade 12

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Biology 30

Human systems, genetics, and molecular biology. Focused on the Alberta diploma exam requirements.

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Timed practice

Practice Tests

Choose a set, work at your own pace, and check your score at the end.

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Practice Set 1Practice set

Biology 30 practice set

A fixed set from the shared subject bank, with its own order, a timer, question flags, and scoring at the end.

60 questionsStartarrow_forward
Practice Set 2Practice set

Biology 30 practice set

A fixed set from the shared subject bank, with its own order, a timer, question flags, and scoring at the end.

60 questionsStartarrow_forward
Practice Set 3Practice set

Biology 30 practice set

A fixed set from the shared subject bank, with its own order, a timer, question flags, and scoring at the end.

60 questionsStartarrow_forward
Practice Set 4Practice set

Biology 30 practice set

A fixed set from the shared subject bank, with its own order, a timer, question flags, and scoring at the end.

60 questionsStartarrow_forward

Study guide

Alberta Biology 30 diploma exam preparation

Connect biological systems across scales—from hormones and human reproduction to cell division, inheritance, molecular biology, and population change—using focused review and diploma-style application questions.

What you will review

  • check_circleNervous and Endocrine Systems: Neurons, action potentials, synapses, reflex arcs, hormones, feedback, stress, and homeostasis.
  • check_circleReproductive Systems and Hormones: Gamete production, menstrual cycle, fertilization, pregnancy hormones, birth, and reproductive technologies.
  • check_circleDifferentiation and Development: Embryonic development, germ layers, stem cells, gene expression, morphogenesis, and teratogens.
  • check_circleCell Division and Genetics: Mitosis, meiosis, nondisjunction, inheritance patterns, pedigrees, probability, and linked genes.
  • check_circleMolecular Biology: DNA structure, replication, transcription, translation, mutations, gene regulation, and biotechnology.
  • check_circlePopulation and Community Dynamics: Population growth, interactions, succession, evolution, gene pools, Hardy-Weinberg, and human impacts.

A practical study routine

  1. 1Build cause-and-effect chains for feedback systems, hormones, reproduction, and development.
  2. 2Show every step in genetics and molecular-biology problems, including symbols and assumptions.
  3. 3Use data tables, pedigrees, and population graphs to practise evidence-based conclusions.

Common questions about Biology 30

Which Biology 30 units are covered?expand_more

The study hub covers nervous and endocrine systems, reproduction and development, cell division and genetics, molecular biology, and population and community dynamics.

How should I study for Biology 30 application questions?expand_more

Learn the vocabulary, then practise using it to explain unfamiliar experiments, diagrams, pedigrees, feedback loops, and population data.

Are the Biology 30 practice tests official?expand_more

No. They are original practice forms built for independent preparation around Alberta Biology 30 outcomes.

schoolCore Concepts

Unit A

Nervous and Endocrine Systems

Neurons, action potentials, synapses, reflex arcs, hormones, feedback, stress, and homeostasis.

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Key Ideas

  • Action potentials depend on threshold, sodium entry, potassium exit, and refractory period.
  • Synapses use neurotransmitters to excite or inhibit postsynaptic cells.
  • Endocrine signals are slower, blood-borne, receptor-specific, and often controlled by feedback.

Formula / Skill Preview

Stimulus -> receptor -> control centre -> effector -> response
High glucose -> insulin -> cell uptake -> lower glucose

Diploma Focus

Know action-potential graphs and which ion moves at each stage.

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Unit B1

Reproductive Systems and Hormones

Gamete production, menstrual cycle, fertilization, pregnancy hormones, birth, and reproductive technologies.

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Key Ideas

  • FSH supports follicle development and sperm production; LH triggers ovulation and testosterone production.
  • High estrogen near mid-cycle causes positive feedback and the LH surge.
  • Progesterone maintains the endometrium and drops before menstruation.

Formula / Skill Preview

FSH/LH -> gonads -> estrogen/progesterone/testosterone
LH surge -> ovulation

Diploma Focus

Read hormone graphs by timing: follicular phase, ovulation, luteal phase, menstruation.

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Unit B2

Differentiation and Development

Embryonic development, germ layers, stem cells, gene expression, morphogenesis, and teratogens.

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Key Ideas

  • Differentiation occurs because different genes are expressed, not because most cells lose DNA.
  • Gastrulation forms ectoderm, mesoderm, and endoderm.
  • Development depends on genetic, endocrine, cellular, and environmental regulation.

Formula / Skill Preview

Same genome + different gene expression -> specialized cells
Zygote -> cleavage -> blastocyst -> gastrulation -> differentiation

Diploma Focus

Early developmental disruptions often have larger body-plan effects.

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Unit C1

Cell Division and Genetics

Mitosis, meiosis, nondisjunction, inheritance patterns, pedigrees, probability, and linked genes.

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Key Ideas

  • Mitosis produces identical diploid cells; meiosis produces genetically varied haploid gametes.
  • Crossing over occurs in prophase I; independent assortment occurs at metaphase I.
  • Autosomal dominant, autosomal recessive, and X-linked patterns look different in pedigrees.

Formula / Skill Preview

Meiosis I separates homologous chromosomes
Meiosis II separates sister chromatids

Diploma Focus

For sex-linked crosses, write X and Y explicitly.

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Unit C2

Molecular Biology

DNA structure, replication, transcription, translation, mutations, gene regulation, and biotechnology.

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Key Ideas

  • DNA replication is semi-conservative and uses helicase, DNA polymerase, and ligase.
  • Transcription makes mRNA from DNA; translation makes protein from mRNA.
  • Frameshift mutations usually have stronger effects than single substitutions.

Formula / Skill Preview

DNA -> RNA -> protein
mRNA codon -> tRNA anticodon -> amino acid

Diploma Focus

Use the genetic code from mRNA codons unless told otherwise.

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Unit D

Population and Community Dynamics

Population growth, interactions, succession, evolution, gene pools, Hardy-Weinberg, and human impacts.

Quick reviewexpand_more

Key Ideas

  • Evolution is change in allele frequencies in populations over generations.
  • Natural selection acts on phenotype, but allele frequencies change in gene pools.
  • Density-dependent factors include competition, predation, disease, and parasitism.

Formula / Skill Preview

p + q = 1
p² + 2pq + q² = 1

Diploma Focus

For recessive phenotype frequency, start with q², not q.

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Quick Review

Genetics Terms

104 Cards

Last studied: 3 days ago

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Question Bank

8 prompts
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Written-response practice

Work through written-response practice by source and topic.

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Study Notes

7 files
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Affiche-style notebook

Read the full rebuilt Markdown notes in a dedicated document view with module navigation.

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