BHSEC (Class XII) study guide
BHSEC (Class XII) · Work through your exam, one topic at a time.
The Bhutan Higher Secondary Education Certificate (BHSEC) is the school-leaving qualification taken at the end of Class XII in Bhutan. It is set and marked subject by subject under the Bhutan Council for School Examinations and Assessment (BCSEA), and results are used for admission to tertiary study in Bhutan and for applications abroad, as well as by employers and scholarship bodies. The BHSEC (Class XII) study guide has 10 sections and about 2,512 words.
01English: Close Reading, Grammar, and Composition
A BHSEC English paper rewards precise reading and controlled writing. Know the difference between literal comprehension (what the text states) and inference (what it implies).
302 words, about 2 min02Dzongkha: འབྲུག་ཡིག་དང་རྩོམ་རིག (Orthography, Grammar, and Composition)
Dzongkha ཡིག་སྦྱོར་ལུགས་ (orthography) ལུ་ མངོན་རྟོགས་ཀྱི་ ཡིག་འབྲུ་ ༣༠ དང་ མཚན་ཉིད་ བསྡུས་པའི་ སྦྱོར་ཀླད་ ཚུ་ ཁྱད་པར་དབྱེ་སྟེ་ ཤེས་དགོ། དེ་གི་ནང་ མངོན་རྟོགས་ (consonants), དབྱངས་ (vowels གི་ ཡིག་འབྲུ་), དང་ ཡིག་སྦྱོར་གྱི་ སྦྱོར་ཀླད་ ཚུ་ འདུས་ཡོད། བརྡ་སྤྲོད་ (grammar) ནང་ མིང་ (noun), བྱ་ཚིག་ (verb), ཁྱད་ཆོས་ (adjective), དང་ ཚིག་སྦྱོར་གྱི་ གོ་རིམ་ ཚུ་ ཤེས་དགོ། རྩོམ་རིག་ནང་ སྙན་ངག་, སྒྲུང་, དང་ ཡིག་ཆ་ ཚུ་གི་ གོ་བ་ལེན་དགོ། ཡིག་འབྲུ་ ཕྲ་མོ་ འདྲ་བ་ ཚུ་ བརྗེ་སྟེ་ བྲིས་ནི་ (e.g. ཤ/ས, ང/ན) ལུ་ ཉེན་ཁ་ཡོད། དབྱངས་གསལ་གྱི་ སྦྱོར་ཀླད་ མ་བཅོལ་བར་ བྲིས་ནི། དྲི་བའི་ དོན་དང་ མི་མཐུན་པའི་ ལན་ འབྲི་ནི། ཚིག་གི་ དོན་ མ་ཤེས་པར་ ཡིག་ཆ་ བསྒྱུར་བཤད་ འབད་ནི། ཚིག་སྦྱོར་ བཅོས་དགོས་པ་: ང་ ཉིནམ་རེ་ སློབ་གྲྭ་ འགྱོ་ཡི། སྦྱོར་ཀླད་: བྱ་ཚིག་གི་ དུས་ཚོད་ (tense) དང་ མིང་གི་ མཐུན་སྦྱོར་ བརྟག་དགོས། དུས་ཚོད་ ད་ལྟོ་ ཨིན་པས་ བྱ་ཚིག་ ད་ལྟོའི་ རྣམ་པ་ ལག་ལེན་ བསྟར་དགོ། རྩོམ་ བྲིས་པའི་ཤུལ་ལས་ ཡིག་འབྲུ་ དང་ དབྱངས་ གཅིག་པ་ཅིག་ བསྐྱར་ཞིབ་ འབད་དགོ། དྲི་བའི་ ཚིག་ གཅིག་པ་ཅིག་ ལོག་ བལྟ་སྟེ་ དོན་དང་ མཐུན་པའི་ ལན་ བྱིན་དགོ།.
162 words, under 1 min03Mathematics: Algebra, Calculus, and Problem Discipline
BHSEC Mathematics tests fluency across algebra, trigonometry, coordinate geometry, calculus, and vectors. You must handle quadratic equations (discriminant, roots, factorisation), sequences and series (AP and GP formulas), binomial expansion, and matrices.
267 words, about 1 min04Physics: Principles, Units, and Structured Reasoning
Physics rewards understanding relationships, not memorising formulas. Cover mechanics (Newton's laws, momentum, work-energy, circular motion), gravitation, waves and optics, heat and thermodynamics, electrostatics, current electricity, magnetism, and modern physics.
278 words, about 1 min05Chemistry: Structure, Reactions, and Quantitative Work
Chemistry at Class XII spans atomic structure, chemical bonding, thermodynamics, equilibrium, electrochemistry, kinetics, organic functional groups, and coordination compounds. You must draw electron configurations, predict shapes using VSEPR, balance redox equations, and apply Le Chatelier's principle.
246 words, about 1 min06Biology: Systems, Inheritance, and Experimental Logic
Class XII Biology covers reproduction, genetics and evolution, human physiology, biotechnology, and ecology. Understand processes rather than lists: how meiosis produces variation, how Mendelian ratios arise, how enzymes and hormones regulate the body, and how energy flows through ecosystems.
247 words, about 1 min07Economics: Concepts, Graphs, and Policy Reasoning
Economics combines microeconomics (demand and supply, elasticity, market structures, consumer behaviour) with macroeconomics (national income, money and banking, inflation, fiscal and monetary policy, and development). You must draw and interpret diagrams: shifts vs movements along a curve, equilibrium changes, and multiplier effects.
255 words, about 1 min08Accountancy: Recording, Adjusting, and Reporting
Accountancy requires mastery of the accounting equation, double entry, journal, ledger, trial balance, and final accounts. Learn depreciation methods (straight-line and diminishing balance), provisions, accruals and prepayments, bank reconciliation, and partnership and company accounts.
264 words, about 1 min09Business Studies: Functions, Environment, and Case Answers
Business Studies covers the nature and forms of business organisations, management functions (planning, organising, staffing, directing, controlling), business environment, marketing, finance, and consumer protection. Understand the difference between sole proprietorship, partnership, company, and cooperative in terms of liability, capital, and continuity.
256 words, about 1 min10Computer Science: Programming, Data, and Logic
Computer Science at Class XII covers computer fundamentals, number systems, Boolean logic, programming constructs (variables, control structures, functions, arrays), data structures such as stacks and queues, database concepts and SQL, and communication and networking basics. You must convert between binary, decimal, and hexadecimal, simplify Boolean expressions, and trace program output accurately.
235 words, about 1 min