Average IQ for Biology Majors
Average IQ Range
115–124
IQ Classification
High Average range
Overview
Biology requires strong memorization capacity combined with analytical reasoning to understand complex systems — from cellular biochemistry to ecological dynamics. The field spans an enormous range of subdisciplines, from molecular biology (highly quantitative) to organismal biology (more descriptive). Pre-medicine tracks select for students with strong MCAT performance, which requires integrated scientific reasoning. Quantitative biology and bioinformatics have become increasingly important, requiring statistical and computational skills. Overall, biology attracts students with solid cognitive ability across verbal and quantitative domains.
To understand what these IQ ranges mean, see our complete IQ score ranges guide. You can also check where specific scores fall: Is 120 IQ Good?
SAT & GRE Correlation
Biology majors average GRE scores around 153–157 on quantitative and 153–157 on verbal reasoning. Pre-med biology students who take the MCAT typically need to score in the 510+ range (roughly the 75th percentile) for competitive medical school admissions, reflecting high cognitive demands for the most selective career path. SAT scores for biology majors at research universities commonly range from 650–750 on math.
For more on how standardized test scores relate to IQ, see our SAT to IQ conversion guide and GRE to IQ conversion guide.
Top Programs
- MIT
- Stanford
- Johns Hopkins
- UC San Diego
Career Paths
- Research Biologist
- Physician
- Biotechnology Researcher
- Biomedical Engineer
Curious how these careers compare? See our full IQ by career chart.
How Does Biology Compare to Other Majors?
| Major | Average IQ Range |
|---|---|
| Biology | 115–124 |
| Chemistry | 120–128 |
| Neuroscience | 118–128 |
| Pre-Medicine | 118–128 |
Frequently Asked Questions
What is the average IQ of a biology major?
Biology majors are estimated to average IQ scores of 115–124. The field requires strong memory for complex systems, analytical reasoning for understanding biological mechanisms, and increasingly, quantitative skills for molecular and computational biology. Pre-medicine biology students tend to score toward the higher end of this range.
Is biology harder than chemistry?
Biology and chemistry require different cognitive strengths. Chemistry is more quantitative and demands stronger mathematical and spatial reasoning. Biology requires broader knowledge integration and stronger memory for complex systems. Most students find organic chemistry harder than any biology course, but upper-level courses in both disciplines are highly demanding.
What is the difference between biology and biomedical engineering in terms of IQ?
Biomedical engineering is considerably more mathematically demanding, requiring calculus, differential equations, and engineering principles alongside biology. The cognitive profile for biomedical engineering overlaps more with mathematics and physics than with traditional biology. Biology majors focused on descriptive or ecological subdisciplines require less mathematical ability.
Explore More Majors
Learn more about what IQ measures, or take our free IQ test to see where you stand.
MyIQScores Editorial Team
Researchers in cognitive psychology, psychometrics & educational science
Last updated
May 10, 2026
All content on MyIQScores is reviewed for scientific accuracy against peer-reviewed research in cognitive psychology and psychometrics. Our editorial team cross-references each article with published literature before publication and updates pages whenever new research warrants a revision.