Overview
Biological Sciences is the study of life in all its forms—from the molecular machinery inside cells to the complex interactions within ecosystems. The field encompasses genetics, microbiology, cell biology, biochemistry, ecology, and evolutionary biology, providing students with a rigorous understanding of how living organisms function, grow, reproduce, and adapt.
The curriculum combines lectures with extensive laboratory work. Early semesters cover foundational topics such as cell biology, genetics, organic chemistry, and biostatistics. Upper-year students choose specializations ranging from molecular and cell biology to ecology and conservation biology, with opportunities to undertake independent research projects under faculty supervision. Computational biology modules teach students to analyze genomic data, model biological systems, and apply machine learning to biological problems.
This creates a vibrant ecosystem for biology graduates, with career opportunities in pharmaceutical research, biotechnology, healthcare, environmental consulting, and science education. For students who are curious about how life works at every scale and want to contribute to breakthroughs in health, agriculture, or conservation, biological sciences is an excellent foundation.
The biological sciences landscape at the world’s leading universities has been transformed by genomics and computational biology. Harvard and MIT’s joint Broad Institute is the global epicentre of genomic research, giving undergraduates at either institution unmatched exposure to cutting-edge sequencing and gene-editing technologies. Stanford’s Department of Biology emphasises interdisciplinary research through centres like Bio-X, which bridges biology with engineering, medicine, and computer science. Cambridge’s biological sciences benefit from the Laboratory of Molecular Biology (LMB)—where the structure of DNA was first determined—and Oxford’s Dunn School of Pathology continues to drive breakthroughs in immunology and infection biology.
In Singapore
At NUS, the programme also covers computational biology, equipping students with data analysis and bioinformatics skills that are increasingly essential in modern life sciences research.
Singapore has invested heavily in biomedical research through institutions like A*STAR, the Genome Institute of Singapore, and Biopolis.
Career Outcomes & Salary
What jobs can I get and how much will I earn?
$40,000–$58,000 (US) / £22,000–£30,000 (UK) / A$50,000–$65,000 (AU)
$60,000–$110,000 (US) / £32,000–£60,000 (UK) / A$70,000–$100,000 (AU)
$90,000–$200,000+ (US, senior research or management)
Moderate to strong—demand varies significantly by specialization. Conservation biology, environmental consulting, and biotech roles are growing. Academic positions are competitive but available. The strongest job prospects are for graduates who combine field skills with data analysis capabilities or who pursue further qualifications (MSc/PhD).
Industry Trends & Outlook
Where is this field heading?
Biology is undergoing a revolution driven by genomic technologies, computational methods, and a growing urgency around biodiversity loss. Advances in genome sequencing have made whole-genome analysis routine and affordable—a human genome now costs under $200 to sequence, compared to $3 billion for the Human Genome Project. This has transformed every branch of biology, from microbiology (metagenomics of environmental samples) to conservation biology (population genetics of endangered species) to medicine (personalized genomics). Single-cell sequencing technologies are revealing the remarkable heterogeneity within tissues, fundamentally changing our understanding of development, immunology, and cancer.
The biodiversity crisis is arguably the defining environmental challenge of the 21st century, and it's driving major investment in conservation biology, ecological monitoring, and restoration ecology. Remote sensing, environmental DNA (eDNA), and automated species identification using AI are transforming how we monitor ecosystems. The Kunming-Montreal Global Biodiversity Framework (2022) committed nations to protecting 30% of land and oceans by 2030, creating massive demand for ecologists, conservation biologists, and environmental scientists. Synthetic biology—engineering organisms for specific purposes—is expanding rapidly, with applications from biofuels to bioremediation to agricultural improvement.
For students entering university now, biological sciences offers one of the most versatile science degrees available. The field's breadth means graduates can pursue graduate research in any specialization, enter medical or veterinary school, work in the biotech or pharmaceutical industry, contribute to conservation and environmental management, or enter science communication, education, or policy. The graduates who stand out combine strong laboratory skills with quantitative literacy (statistics, bioinformatics) and the ability to communicate science effectively. Biology is increasingly interdisciplinary, and the best opportunities go to those who can bridge molecular biology with ecology, or lab science with computational analysis.
AI & This Major
AI is transforming biological research—automated species identification, genomic data analysis, ecological modeling, and drug discovery all benefit from machine learning. But biology remains fundamentally observational and experimental. Biologists who can integrate AI tools into their fieldwork or lab research are increasingly valued.
What You'll Learn
Core topics and skills covered in this degree
Is This Right For Me?
Honest self-assessment to help you decide
You'll thrive if...
- ✓You're endlessly curious about living things—from the molecular machinery inside cells to the behavior of organisms in their natural habitats
- ✓You enjoy variety in your studies—biology spans lab work, fieldwork, computational analysis, and theoretical thinking, often in the same week
- ✓You care about the natural world and want to understand (and potentially protect) the biodiversity around you
- ✓You value a degree with genuine breadth that lets you discover your specific passion before committing to a specialization
- ✓You like both hands-on work and intellectual challenges—dissecting a specimen, analyzing a DNA gel, or surveying a habitat
Might not be for you if...
- ●You prefer deep specialization from day one—biology's breadth means you study many topics at a survey level before you can specialize
- ●You strongly dislike chemistry—most biology programmes require substantial chemistry, especially in Year 1
- ●You want a degree with a clear, direct career path to high salaries—biology is versatile but often requires further qualifications for the most competitive positions
- ●You find memorization of species, structures, and pathways frustrating—biology has a significant memory component, though understanding frameworks helps
- ●You prefer purely quantitative or computational work—biology involves substantial descriptive and observational components alongside quantitative analysis
A Day in the Life
What a typical week actually looks like
A typical week in Year 2 captures the breadth that makes biological sciences distinct—you might study molecular genetics in the morning and animal behavior in the afternoon, with an ecology field trip on Wednesday. Monday starts with a Cell Biology lecture covering signal transduction pathways—how a hormone binding to a receptor on the cell surface triggers a cascade of molecular events that ultimately changes gene expression inside the nucleus. The tutorial afterward has you mapping out the MAPK/ERK signaling pathway and predicting what happens when specific components are knocked out. After lunch, your Evolution & Biodiversity lecture examines speciation mechanisms, using Darwin's finches and East African cichlid fish as case studies for adaptive radiation.
Tuesday is lab day: a four-hour Genetics & Molecular Biology practical where you're performing gel electrophoresis to analyze DNA restriction fragments, learning to interpret banding patterns and calculate fragment sizes. You're also extracting and quantifying plasmid DNA from bacterial cultures, a technique fundamental to modern molecular biology. The lab requires careful pipetting technique and meticulous record-keeping in your lab notebook. Wednesday is the highlight of the week—a full-day Ecology & Conservation field trip to a local woodland and wetland site, where you're conducting vegetation quadrat surveys, setting pitfall traps for invertebrates, using mark-recapture methods to estimate amphibian population size, and collecting water quality data.
Thursday brings Animal Physiology (this week: cardiovascular and respiratory physiology, comparing gas exchange systems across vertebrates—fish gills, amphibian skin, bird lungs, and mammalian alveoli) and a Biostatistics tutorial where you're analyzing your field data from Wednesday using ANOVA in R. Friday is reserved for lab report writing, reading, and preparation for next week's practical. Weekends involve reviewing lecture material and working on your independent research proposal—a project you'll design and execute in Year 3. The variety is both the appeal and the challenge: biology demands you hold detailed knowledge across molecular, cellular, organismal, and ecological scales simultaneously.
High School Preparation
What to study and do before university
Skills to Develop
- •Develop scientific reading skills—start reading research papers (even if you only understand the abstract and discussion) from journals like Nature, Cell, or PLoS Biology. The ability to critically evaluate primary literature is the most important academic skill in biology
- •Learn basic statistical analysis—biology is increasingly data-driven, and comfort with experimental design, hypothesis testing, and statistical software (R or even Excel) gives you a genuine advantage
- •Build field observation skills—learn to identify local plants, birds, or insects. Understanding natural history through direct observation connects classroom biology to the living world
- •Practice scientific writing—write clear, structured lab reports with proper methods, results, and discussion sections. Scientific communication is assessed from day one
Extracurriculars
- •Seek research experience in any biology lab—university departments, hospitals, botanical gardens, or wildlife organizations often accept motivated students for summer placements
- •Participate in Biology Olympiad competitions or science fairs—these develop deep knowledge and rigorous experimental thinking
- •Volunteer with conservation or ecology organizations—fieldwork experience is highly valued and develops observational skills
- •Join or start a school science club that does actual experiments or field surveys, not just demonstrations
- •Document local biodiversity through photography, journaling, or contributions to citizen science platforms like iNaturalist
QS World Ranking 2026
Biological Sciences
| # | University |
|---|---|
| 1 | 🇺🇸Harvard University |
| 2 | 🇺🇸Massachusetts Institute of Technology (MIT) |
| 3 | 🇬🇧University of Oxford |
| 4 | 🇺🇸Stanford University |
| 5 | 🇬🇧University of Cambridge |
How This Compares to Similar Majors
Side-by-side with related fields
Getting In — Admissions Guide
How competitive is this major and how to stand out
Biological Sciences is moderately competitive—more accessible than medicine or biochemistry at most institutions but still requires strong science results. UK programmes at Cambridge, Oxford, and Edinburgh typically require A*AA with Biology. In the US, top programmes at MIT, Stanford, and UC Berkeley are highly selective. IB students generally need 36–40 points with 6–7 in HL Biology.
What Strengthens Your Application
- 1Strong Biology results—this is the essential prerequisite
- 2Chemistry competence—most programmes require or strongly recommend chemistry alongside biology
- 3Field or research experience—summer placements, volunteering with wildlife organizations, or independent ecology projects
- 4Evidence of genuine scientific curiosity beyond the curriculum—reading journals, participating in citizen science, or conducting independent investigations
- 5Good mathematical foundations—biology is increasingly quantitative, and statistics competence is valued
Common Mistakes to Avoid
- ●Applying without Chemistry—many top biology programmes require it, and those that don't still expect basic chemical literacy
- ●Writing a personal statement focused on wanting to become a doctor—if you're applying to biology, show passion for biology as a discipline
- ●Underestimating the breadth of the subject—show awareness that biology spans molecules to ecosystems, not just the topics you find most exciting
Interview & Admission Tests
Oxford and Cambridge interview biology applicants, often presenting unfamiliar data or scenarios and asking you to reason through them. You might be shown an unusual organism and asked to hypothesize about its ecology, or given experimental data and asked to interpret it. Curiosity and reasoning matter more than memorized facts.
General Preparation
These recommendations cover general preparation across Singapore universities. Specific programme requirements may differ—detailed per-programme requirements coming soon.
IB Diploma
- •Biology HL (strongly recommended)
- •Chemistry HL (strongly recommended)
- •Mathematics AA/AI HL (recommended)
A-Level
- •H2 Biology (strongly recommended)
- •H2 Chemistry (strongly recommended)
- •H2 Mathematics (recommended)
AP
- •AP Biology (essential)
- •AP Chemistry (essential)
- •AP Calculus AB/BC (recommended)
- •AP Statistics (helpful)
IGCSE
- •Biology (essential, high grade)
- •Chemistry (essential)
- •Mathematics (recommended)
- •Additional Mathematics (helpful)
Skills & Aptitudes
NUS IB / A-Level admission requirements:NUS Admissions
NTU IB / A-Level admission requirements:NTU Admissions
Where to Study in Singapore
Similar Majors
Considering this major beyond Singapore?
View the global university major guide →
Frequently Asked Questions
What do you study in Biological Sciences?
Biological Sciences is the study of life in all its forms—from the molecular machinery inside cells to the complex interactions within ecosystems. The field encompasses genetics, microbiology, cell biology, biochemistry, ecology, and evolutionary biology, providing students with a rigorous understanding of how living organisms function, grow, reproduce, and…
What can you do after a Biological Sciences degree?
Typical entry-level roles: Research Technician, Lab Assistant, Field Biologist, Environmental Consultant (Junior), Science Educator (starting salary $40,000–$58,000 (US) / £22,000–£30,000 (UK) / A$50,000–$65,000 (AU)). Key industries: Academic Research, Biotechnology, Environmental Consulting, Conservation & Wildlife Management, Pharmaceutical. Moderate to strong—demand varies significantly by specialization. Conservation biology, environmental consulting, and biotech roles are growing. Academic positi…
Which high-school courses prepare you for Biological Sciences?
Recommended IB courses: HL Biology, HL Chemistry; Recommended AP courses: AP Biology, AP Chemistry, AP Environmental Science; Recommended A-Levels: Biology, Chemistry, Mathematics.
Ready to prepare for Biological Sciences?
Our tutors can help strengthen your English and academic skills for your target program.