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Even though you have spent a couple of years studying IB Biology, for IB you need more in-depth knowledge is challenging, college-level biology, so sometimes you will need a little more study help than your class notes provide.
In this article, I've compiled the best FREE online IB Biology study guides (including IB Biology Notes and IB Biology Revision) into one useable resource and provided you with some IB Biology practice questions. I will order this IB Biology Study Guide using the IB Biology Syllabus.
This Guide can be used throughout the Year.
| General Overview | Resources Guide | IAs Guide | Helpful Blogs Guide |
| Syllabus Guide | Data Booklet | IA Overview | |
| Exam Overview Guide | Notes | Example of IAs | |
| Exam Scoring Guide | Past Year Papers | Internal Assessment Scoring | |
| IB Biology Calculators | Question Banks | ||
| Group 4 Project | Preparation Books | ||
| Exam Preparation |
Get Free IB Biology Trial Session Download IB Biology eBook
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Download IB Biology Guide Here
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Syllabus component |
Recommended teaching hours |
|
|
SL |
HL |
|
|
Core |
95 |
|
|
1. Cell biology |
15 |
|
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2. Molecular biology |
21 |
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3. Genetics |
15 |
|
|
4. Ecology |
12 |
|
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5. Evolution and biodiversity |
12 |
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6. Human physiology |
20 |
|
|
Additional higher level (AHL) |
|
60 |
|
7. Nucleic acids |
9 |
|
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8. Metabolism, cell respiration and photosynthesis |
14 |
|
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9. Plant biology |
13 |
|
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10. Genetics and evolution |
8 |
|
| 11. Animal physiology | 16 | |
|
Option |
15 |
25 |
|
A. Neurobiology and behaviour |
15 |
25 |
|
B. Biotechnology and bioinformatics |
15 |
25 |
|
C. Ecology and conservation |
15 |
25 |
|
D. Human physiology |
15 |
25 |
|
Practical scheme of work |
40 |
60 |
|
Practical activities |
20 |
40 |
|
Individual investigation (internal assessment – IA) |
10 |
10 |
|
Group 4 project |
10 |
10 |
|
Total teaching hours |
150 |
240 |
Download IB Biology Syllabus Here
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Paper 1 |
Paper 2 |
Paper 3 (Options) |
IA |
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Standard Level (SL) |
30 multiple choice questions |
45 min |
20% (30 Marks) |
Short answers |
1 hr 15 min |
40% (50 Marks) |
Short answers |
1 hr |
20% (35 Marks) |
20% |
|
Higher Level (HL) |
40 multiple choice questions |
1 hr |
20% (40 Marks) |
Short answers |
2 hr 15 min |
36% (72 Marks) |
Short answers |
1 hr 15 min |
24% (45) Marks) |
20% |
|
|
No calculators |
Calculators Allowed |
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Get Free IB Biology Trial Session
IB Biology Exam Scoring Guide
Day 1- Paper 1 (30 MCQ / 45 Minumtes)
|
Mark Range |
0-7 |
8-12 |
13-18 |
19-20 |
21-23 |
24-26 |
27-30 |
|
Grade |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
Paper 2 (Short Answers/ 1 Hour 50 Minutes)
|
Mark Range |
0-7 |
8-12 |
13-18 |
19-20 |
21-23 |
24-26 |
27-30 |
|
Grade |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
Day 2- Paper 3 (Options / 1 Hour)
|
Mark Range |
0-7 |
8-12 |
13-18 |
19-20 |
21-23 |
24-26 |
27-30 |
|
Grade |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
Day 1- Paper 1 (40 MCQ / 1 Hour)
|
Mark Range |
0-7 |
8-12 |
13-18 |
19-20 |
21-23 |
24-26 |
27-30 |
|
Grade |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
Paper 2 (Short Answers/ 2 Hour 15 Minutes)
|
Mark Range |
0-7 |
8-12 |
13-18 |
19-20 |
21-23 |
24-26 |
27-30 |
|
Grade |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
Day 2- Paper 3 (Options / 1 Hour 15 Minutes)
|
Mark Range |
0-7 |
8-12 |
13-18 |
19-20 |
21-23 |
24-26 |
27-30 |
|
Grade |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
The Group 4 Project is a compulsory activity that all IB Biology Diploma Programme students must be a part of. The main agenda of this assessment is to understand and analyse a Biology related issue and problem. This activity emphasises on the process and knowledge rather than "The Assessment"
Internal Assessment is one of the most important part of IB Diploma Biology course, which is compulsory for both Higher Level and Standard Level students. It helps students to exhibit the application of their skills and knowledge. The requirements and guidlines for both SL and HL students are the same. It contributes 20% to the final assessment.
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Investigation
|
Title |
Student Work Annotated |
|
|
1 |
A study on the effect of smoke water on the germination and growth of Eucalyptus pilularis | ||
|
2 |
The effect of sunlight on biomass |
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3 |
Fire Ecology |
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4 |
Different methods of fruit ripening and the metabolism of starch to glucose in nectarines | ||
|
5 |
Investigating the Effect of Time on the Plasmolysis of Potatoes | ||
|
6 |
The structure and function of barley amylases | ||
|
7 |
The effect of light levels on the predation of the peppered moth | ||
|
8 |
Investigating the effect of different light intensities on water weed | ||
|
9 |
Is there a relationship between Countries' Human Development Index (HDI) level and the incidence of tuberculosis? (1) | ||
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10 |
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Duration: 10 Hours
Weightage: 20%
| Personal Engagement | Exploration | Analysis | Evaluation | Communication | Total |
| 2 (8%) | 6 (25%) | 6 (25%) | 6 (25%) | 4 (17%) | 24 (100%) |
Download IB Biology IA Scoring Guide Here
Study Guide for the IB Biology SL/HL Core
IB Biology – Core
Topic 1: Cell Biology – 15 Hours
Introduction to Cells
Ultrastructure of Cells
Membrane Structure
Membrane Transport
The Origin of Cells
Cell Division
Topic 2: Molecular Biology – 21 Hours
2.1 Molecules to Metabolism
2.2 Water
2.3 Carbohydrates and Lipids
2.4 Proteins
2.5 Enzymes
2.6 Structure of DNA & RNA
2.7 DNA Replication, Transcription & Translation
2.8 Cell respiration
2.9 Photosynthesis
Topic 3: Genetics – 15 Hours
3.1 Genes
3.2 Chromosomes
3.3 Meiosis
3.4 Theoretical Genetics
3.5 Genetic Engineering & Biotechnology
Topic 4: Ecology – 12 Hours
4.1 Species, Communities & Ecosystems
4.2 Energy Flow
4.3 Carbon Cycling
4.4 Green House Effect
Topic 5: Evolution & Biodiversity – 12 Hours
5.1 Evolution’s Evidence
5.2 Natural Selection
5.3 Classification of Biodiversity
5.4 Cladistics
Topic 6: Human Health and Physiology – 20 Hours
6.1 Digestion & Absorption
6.2 The Blood System
6.3 Defence Against Infectious Disease
6.4 Gas Exchange
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