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IB Biology

The IB Biology course investigates the structure, function, and interactions of living organisms through an integrated framework of four unifying themes (Unity & Diversity, Form & Function, Interaction & Interdependence, Continuity & Change) across four levels of biological organization (Molecules, Cells, Organisms, Ecosystems). It emphasizes concept-based learning, scientific inquiry, and data analysis, enabling students to connect molecular processes to global systems. Through experiments, critical evaluation, and real-world applications, students develop the analytical and investigative skills essential for future studies in life sciences, medicine, biotechnology, and environmental science.

Questionbank

Questionbank

Find all the questions you need, categorized by topic and difficulty, complete with solutions for each. 
Practice Exams

Practice Exams

These questions will simulate real exams, enhancing your problem-solving skills and boosting your score, helping you achieve a 7 in the exam.

Course Structure and Content

 

The IB Biology course explores the study of living systems, from molecules and cells to organisms and ecosystems. It develops scientific inquiry, data analysis, and critical thinking skills essential for further studies in life sciences, medicine, environmental science, and related fields.

 

Assessment Structure

Standard Level (SL):

  • Paper 1 (1 hour 30 minutes)

    • Section 1A: 30 multiple-choice questions.

    • Section 1B: Data-based questions (4 questions focused on experimental/data skills across themes).

  • Paper 2 (1 hour 30 minutes)

    • Section A: Data-based and short-answer questions.

    • Section B: Extended-response questions (students choose from a set of questions).

  • Internal Assessment

    • A scientific investigation conducted by the student: formulating a research question, collecting data, analysing, concluding, and evaluating. 

 

Higher Level (HL):

  • Paper 1 (2 hours)

    • Section 1A: 40 multiple-choice questions covering SL + HL content.

    • Section 1B: Data-based questions (4 questions focused on experimental/data skills across themes).

  • Paper 2 (1 hour 30 minutes)

    • Section A: Data-based and short-answer questions covering SL + HL content.

    • Section B: Extended-response questions (typically choose 2 from 3) requiring deeper analysis and synthesis.

  • Internal Assessment

    • Scientific investigation similar in structure to SL but with greater depth, higher expectations of analysis and evaluation.

 

Notes

  • Grading: Both SL and HL are graded on the IB scale from 1 (lowest) to 7 (highest). Final grades reflect performance in external exams and the IA.

  • Curriculum Structure: The syllabus (first assessment 2025) is organized around four key themes — Unity and Diversity, Form and Function, Interaction and Interdependence, and Continuity and Change — studied across molecular, cellular, organismal, and ecological levels.

  • Recognition: IB Biology is widely recognized by universities worldwide. HL Biology is particularly valued for medical, biomedical, and environmental science degrees, while SL Biology provides a strong foundation for non-science fields requiring scientific literacy.

 

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