Cambridge International AS & A Level · Biology 9700 · 2025–2027 Syllabus

Complete Revision Suite

27 files covering every topic in the CIE 9700 syllabus — AS & A Level — with full explanations, comparison tables, exam-style questions, mark schemes, and common mistake analysis. All files aligned to the 2025–2027 Cambridge International specification.

27 files Topics 1–19 + Practicals AS + A Level 2025–2027 CED Mastery tracker Dark mode
Examination structure

CIE 9700 Papers at a Glance

P1Multiple Choice
Type40 MCQ (A Level adds 1 paper)
Time1 hr 15 min — multiple choice
Weighting31% of AS; 15.5% of A Level
Syllabus coverageTopics 1–11 (AS)
P2AS Structured Questions
Time1 hr 15 min
Marks60 marks
Weighting46% of AS
Syllabus coverageTopics 1–11
P3AS Practical
Time2 hr
Marks40 marks
Weighting23% of AS
SkillsManipulation, measurement, observation, analysis, evaluation
P4A Level Structured Questions
Time2 hr
Marks100 marks
Weighting38.5% of A Level
Syllabus coverageTopics 1–19 (all)
P5A Level Planning, Analysis & Evaluation
Time1 hr 15 min
Marks30 marks
Weighting11.5% of A Level
SkillsPlanning (P) · Analysis (A) · Evaluation (E)
AS Level — Topics 1–11 + Practical

AS Content Files

1
Cell Structure
AS
2
Biological Molecules
AS
3
Enzymes
AS
4
Cell Membranes & Transport
AS
5
Mitotic Cell Cycle
AS
6
Nucleic Acids & Protein Synthesis
AS
7
Transport in Plants
AS
8
Transport in Mammals
AS
9
Gas Exchange
AS
10
Infectious Diseases
AS
11
Immunity
AS
P3
Practical (Paper 3)
AS
A Level (A2) — Topics 12–19 + Practical

A Level Content Files

12A
Energy & Aerobic Respiration
A2
12B
Anaerobic Resp., RQ & Respirometer
A2
13
Photosynthesis
A2
14
Homeostasis
A2
15A
Nervous Communication
A2
15B
Hormones & Muscle Contraction
A2
16A
Meiosis & Genetic Variation
A2
16B
Genetics & Hardy-Weinberg
A2
17
Selection & Evolution
A2
19
Genetic Technology
A2
18
Classification, Biodiversity & Conservation
A2
P5
Paper 5: Planning, Analysis & Evaluation
A2
Study plan

Suggested 8-Week Revision Calendar

Week 1 — AS Foundations I
  • T1 Cell Structure
  • T2 Biological Molecules
  • T3 Enzymes
  • T4 Cell Membranes & Transport
Week 2 — AS Foundations II
  • T5 Mitotic Cell Cycle
  • T6 Nucleic Acids & Protein Synthesis
  • T7 Transport in Plants
  • T8 Transport in Mammals
Week 3 — AS Completion + P3
  • T9 Gas Exchange
  • T10 Infectious Diseases
  • T11 Immunity
  • P3 Practical skills (Paper 3)
Week 4 — A2 Metabolism
  • T12A Aerobic Respiration
  • T12B Anaerobic, RQ & Respirometer
  • T13 Photosynthesis
  • T14 Homeostasis
Week 5 — A2 Communication
  • T15A Nervous Communication
  • T15B Hormones & Muscle
  • Review Topics 12–15 past questions
Week 6 — A2 Genetics
  • T16A Meiosis & Genetic Variation
  • T16B Genetics & Hardy-Weinberg
  • T17 Selection & Evolution
Week 7 — A2 Technology & Ecology
  • T19 Genetic Technology
  • T18 Classification, Biodiversity & Conservation
  • Synoptic connections review
Week 8 — Final Sprint
  • P5 Paper 5 PAE strategy
  • Past paper practice (full papers)
  • Targeted review of weak topics
  • Mark scheme analysis
Design system

Topic Colour Reference

T1 Cell Structure
T2 Biological Molecules
T3 Enzymes
T4 Membranes
T5 Cell Cycle
T6 Nucleic Acids
T7 Transport Plants
T8 Transport Mammals
T9 Gas Exchange
T10 Infectious Diseases
T11 Immunity
P3 Practical
T12A Aerobic Resp.
T12B Anaerobic
T13 Photosynthesis
T14 Homeostasis
T15A Nervous
T15B Hormones
T16A Meiosis
T16B Genetics
T17 Evolution
T19 Genetic Tech.
T18 Classification/Biodiversity
P5 PAE
How to use this suite
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