Pearson Edexcel IAL Biology

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IAL Biology: on a deep graphite laboratory mat, a black compound microscope with a brass focus knob, an open walnut slide box, a petri dish of pale agar with two colonies, a staining tray holding two slides in amber stain, a squat amber reagent bottle, a brass hand tally counter and a prepared slide in a brass holder with a coral-pink specimen.

Connect biological topics through mechanisms, then strengthen data, terminology and practical responses.

  • Reduce content overload by connecting molecules, cells, organisms and ecosystems through mechanisms
  • Write precise causal explanations with the required location, sequence, substances and consequences
  • Move from describing biological data to processing it and judging the strength of evidence
  • Align research questions, variables, sampling and analysis so investigations support valid conclusions
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Course highlights

Organise extensive content by scale and mechanism Reduce memory overload by connecting molecules, cells, organs, organisms and ecosystems through recurring biological ideas.
Build concept links
Group content by structure-function, exchange, energy, information and regulation.
Compare systematically
Use shared criteria when comparing structures, pathways or organisms.
Retrieve in context
Practise moving from a prompt to the relevant scale and mechanism.
 Write precise causal explanations instead of keyword lists A complete biological answer needs location, sequence, substances, interactions and consequences.
Follow the process
State where it occurs, what changes and how one step produces the next.
Use terms precisely
Distinguish closely related structures, molecules and processes.
Match the command
Separate description, explanation, comparison, suggestion and evaluation.
 Turn graphs and statistics into biological evidence Move from describing a pattern to explaining it, testing it and judging the strength of the conclusion.
Describe before explaining
State trends, ranges, comparisons and anomalies with data references.
Process correctly
Use rates, percentages, indices and statistics with suitable precision.
Judge evidence
Separate correlation, causation, significance, reliability and biological importance.
 Design investigations that can support a conclusion Align the research question, variables, sampling, measurement and analysis from the start.
Control variation
Choose controls, repeats, sample size and sampling method for the biological system.
Plan analysis
Decide how readings will be processed, graphed or tested statistically.
Evaluate proportionately
Link biological and methodological limitations to specific improvements.
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Course content

Unit 1 · WBI11
Molecules, Diet, Transport and Health
  • Biological molecules and biochemical tests
  • Cell membranes and transport
  • Diet and cardiovascular health
  • Blood, circulation and gas exchange
  • Interpreting health and epidemiological evidence
Written examination: 1 hour 30 minutes, 80 marks.
Unit 2 · WBI12
Cells, Development, Biodiversity and Conservation
  • Cell structure, division and differentiation
  • Development and gene expression
  • Inheritance and genetic diversity
  • Classification and biodiversity
  • Sampling and conservation
Written examination: 1 hour 30 minutes, 80 marks.
Unit 3 · WBI13
Practical Skills in Biology I
  • Hypotheses, variables and controls
  • Sampling, repeats and data quality
  • Tables, graphs and calculations
  • Basic statistical reasoning
  • Conclusions, limitations and improvements
Written practical-skills examination: 1 hour 20 minutes, 50 marks.
Unit 4 · WBI14
Energy, Environment, Microbiology and Immunity
  • Photosynthesis and productivity
  • Energy flow and nutrient cycles
  • Microorganisms and culturing
  • Disease and immune responses
  • Environmental change and evidence
Written examination: 1 hour 45 minutes, 90 marks.
Unit 5 · WBI15
Respiration, Internal Environment, Coordination and Gene Technology
  • Respiration and energy transfer
  • Homeostasis and internal regulation
  • Nervous and hormonal coordination
  • Gene expression and inheritance
  • Gene technology and its applications
Written examination: 1 hour 45 minutes, 90 marks.
Unit 6 · WBI16
Practical Skills in Biology II
  • Advanced investigation design
  • Biological sampling and variation
  • Statistical tests and significance
  • Data interpretation and synthesis
  • Evaluation of evidence and method
Written practical-skills examination: 1 hour 20 minutes, 50 marks.

Course fees

4 lessons per month 90 minutes per lesson

Fees by level

All levels
HK$2,000/ 4 lessons
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