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HSC Science Subjects (Typical)
Common majors include Physics, Chemistry, Biology, Higher Mathematics, Statistics, and Agricultural Studies. Use this guide to choose core and optional subjects strategically.
HSC Science Group Subjects: Complete Guide for Bangladesh Students (2025)
Choosing the Science Group in HSC opens doors to prestigious career paths in medicine, engineering, and technology. This comprehensive guide covers all science group subjects, their requirements, career prospects, and strategic selection tips for academic success in Bangladesh.
Complete HSC Science Subject List
The HSC Science Group consists of 7 subjects divided into compulsory, core science, and elective categories:
Compulsory Subjects (All Groups)
| Subject Name | 1st Paper Code | 2nd Paper Code | Exam Duration |
|---|
| Bangla | 101 | 102 | 3 hours each |
| English | 107 | 108 | 3 hours each |
| Information & Communication Technology | 275 | — | 3 hours |
Core Science Subjects (Mandatory)
| Subject Name | 1st Paper Code | 2nd Paper Code | Theory/Practical |
|---|
| Physics | 174 | 175 | 70% Theory + 30% Practical |
| Chemistry | 176 | 177 | 70% Theory + 30% Practical |
Third Subject Options (Choose One)
| Subject Name | 1st Paper Code | 2nd Paper Code | Difficulty Level |
|---|
| Biology | 178 | 179 | Moderate |
| Higher Mathematics | 265 | 266 | High |
Optional/Fourth Subject Choices
| Subject Name | 1st Paper Code | 2nd Paper Code | Popularity |
|---|
| Psychology | 123 | 124 | High |
| Geography | 125 | 126 | High |
| Statistics | 129 | 130 | Moderate |
| Economics | 109 | 110 | High |
Subject-by-Subject Detailed Analysis
Physics (Compulsory Core Subject)
Course Content Overview:
- Mechanics: Motion, forces, energy, momentum
- Waves & Oscillations: Sound waves, mechanical waves
- Heat & Thermodynamics: Temperature, thermal properties
- Electricity & Magnetism: Current, circuits, electromagnetic fields
- Modern Physics: Atomic structure, radioactivity
Assessment Structure:
- 1st Paper: Mechanics, Properties of Matter, Heat, Waves (50 marks)
- 2nd Paper: Electricity, Magnetism, Modern Physics (50 marks)
- Practical Exam: Laboratory experiments and viva (30% weightage)
Career Relevance:
- Engineering Fields: Mechanical, Electrical, Civil
- Medical Physics: Radiology, medical equipment
- Research: Theoretical and applied physics
Chemistry (Compulsory Core Subject)
Course Content Breakdown:
- Organic Chemistry: Carbon compounds, functional groups
- Inorganic Chemistry: Periodic table, chemical bonding
- Physical Chemistry: Chemical kinetics, thermodynamics
- Analytical Chemistry: Qualitative and quantitative analysis
Assessment Components:
- 1st Paper: Organic Chemistry, Chemistry of Life (50 marks)
- 2nd Paper: Inorganic Chemistry, Physical Chemistry (50 marks)
- Practical Work: Laboratory analysis, synthesis (30% weightage)
University Prerequisites:
- Medical Colleges: A+ grade essential
- Chemical Engineering: Strong foundation required
- Pharmacy: Core prerequisite subject
Biology (Third Subject Option)
Curriculum Coverage:
- Botany: Plant structure, physiology, ecology
- Zoology: Animal biology, human physiology
- Genetics: Heredity, DNA, genetic engineering
- Ecology: Environmental biology, biodiversity
Paper Structure:
- 1st Paper: Cell Biology, Genetics, Evolution (50 marks)
- 2nd Paper: Human Physiology, Ecology, Biotechnology (50 marks)
- Practical Component: Microscopy, dissection, experiments
Career Pathways:
- Medical Sciences: MBBS, Nursing, Pharmacy
- Biotechnology: Genetic engineering, research
- Environmental Sciences: Conservation, ecology research
Higher Mathematics (Third Subject Option)
Mathematical Areas:
- Calculus: Differential and integral
- Algebra: Advanced concepts
- Coordinate Geometry: Analytical geometry
- Trigonometry: Advanced functions
- Statistics & Probability: Data analysis, probability theory
Assessment Pattern:
- 1st Paper: Algebra, Coordinate Geometry (50 marks)
- 2nd Paper: Calculus, Trigonometry, Statistics (50 marks)
- Problem-Solving Focus: Mathematical reasoning and application
Engineering Prerequisites:
- Computer Science Engineering: Essential requirement
- Electrical Engineering: Strongly recommended
- Pure Mathematics: Core subject for math programs
Strategic Subject Selection Guide
Medical College Aspirants
Recommended Combination: Physics + Chemistry (A+ essential), Biology (A+ required), Optional: Psychology/Statistics. Target GPA: 5.00
Study Time Allocation:
- Physics: 25%
- Chemistry: 25%
- Biology: 25%
- Languages/ICT: 20%
- Optional: 5%
Engineering University Planning
Ideal Mix: Physics + Chemistry (A+ preferred), Higher Mathematics (A+ essential), Optional: Economics/Statistics. Target GPA: 4.50+ competitive.
Preparation Strategy:
- Mathematics: 30%
- Physics: 25%
- Chemistry: 20%
- Languages: 20%
- Optional: 5%
Research & Technology Fields
Science Focus Combination: Physics + Chemistry + Biology + Higher Math (if possible); Optional: Statistics for data science preparation.
Subject Difficulty Analysis
Most Challenging Subjects
Higher Mathematics — Difficulty 9/10; Time 3–4 hrs/day; Key challenge: abstract concepts.
Physics — Difficulty 8/10; Time 2–3 hrs/day; Key challenge: problem-solving.
Moderate Difficulty Subjects
Chemistry — Difficulty 7/10; Time 2–3 hrs/day; Key challenge: theory + practical balance.
Biology — Difficulty 6/10; Time ~2 hrs/day; Key challenge: extensive memorization.
Career Path Alignment
Medical Field Requirements
- MBBS: Physics, Chemistry, Biology (A+)
- Dental: Same as MBBS
- Pharmacy: Chemistry, Biology emphasis
- Nursing: Biology focus with basic sciences
Engineering Pathways
- Computer Science: Higher Math essential
- Electrical: Physics + Higher Math
- Chemical: Chemistry + Physics
- Civil: Mathematics + Physics
Research & Academia
- Pure Sciences: All science subjects preferred
- Applied Research: Specific subject expertise
- Interdisciplinary: Broad science foundation
Study Strategies by Subject
Physics Mastery Approach
- Focus on fundamental principles
- Daily numerical problem practice
- Hands-on experiments
- Memorize key equations
Chemistry Success Methods
- Integrate theory and practicals
- Memorize reactions & mechanisms
- Understand periodic trends
- Develop analytical lab skills
Biology Excellence Strategy
- Use diagrams and flow charts
- Connect systems conceptually
- Keep up with biotech updates
- Practice microscopy & dissection
FAQ: HSC Science Subjects
Can I take both Biology and Higher Mathematics in HSC Science?
No, you must choose one as your third subject. If your college allows, the other may be taken as an optional fourth subject.
Which subject combination gives the best job opportunities?
Physics + Chemistry + Higher Mathematics leads to wide engineering options; Physics + Chemistry + Biology is the medical route. Choose according to your goals.
How important are practical exams in science subjects?
Practicals carry 30% weight and strongly impact final grades. Prepare lab work seriously.
Can I change my third subject after HSC admission?
Generally no—changes after registration deadlines are difficult or not permitted.
What GPA is needed for engineering with science subjects?
Most engineering universities look for GPA 4.00+, while top institutions prefer 4.50+ with strong grades in Physics and Mathematics.
Are all science subjects equally weighted in GPA?
Yes, all carry equal weight in GPA. Some universities, however, emphasize specific subjects for admission.
How many hours should I study each science subject daily?
Typically 2–3 hours per science subject; Higher Math often needs 3–4 hours due to complexity.
Can science students apply for non-science university programs?
Yes. Science backgrounds are valued for analytical and problem-solving skills.
Best optional subject for science students?
Economics/Psychology are popular and manageable; Statistics is excellent preparation for data-driven fields.
What if I fail one science subject?
You must retake and pass in supplementary exams to receive the HSC certificate. An F counts as 0.00 in GPA until cleared.
Return to HSC GPA Calculator.
