NBSE HSLC Exams 2025 - Syllabus, Exam pattern, Question Papers, Result

Alternative english: Unit 01

• Reading Comprehension

Alternative english: Unit 02

• A newspaper report, article, story writing, dialogue
• Grammar: Comparison of adjectives, conjunctions, prepositions

Alternative english: Unit 03

• Prose: (i) The fragrance of the Gods (Rev. Dr. Toshi Langu), (ii) Man against virus (Naveen Sullivan), (iii) Speech by Severn Suzuki, (iv) In celebration of being alive (Dr. Christian Barnard)
• Poetry: (i) To sleep (William Wordsworth), (ii) Prayer of the Meek (Lhusi Haralu), (iii) Closed path (Rabindranath Tagore), (iv) Old folks laugh (Maya Angelou)
• Non-fiction: The dairy of a young girl-Anne Frank (retold by Cherry Gilchrist series editors: Andy Hopkins and Jocelyn Potter)

AO: Unit 01

• Unseen passage

AO: Unit 02

• Formal letter writing/ report writing
• Invitation/ dialogue writing

AO: Unit 03

• Grammar and translation: (i) Subject, predicate, object, (ii) tense, (iii) direct and indirect narration, (iv) voice, (v) simple, compound, and complex sentence, (vi) translation

AO: Unit 04

• Prose
• Poetry

Lotha: Unit 01

• Unseen passage

Lotha: Unit 02

• Formal letter writing/ report writing
• Invitation/ dialogue writing

Lotha: Unit 03

• Mood, verb, adverb, Lotha calendar, tenses, preposition, one word substitute, give another word with the same meaning, translation

Lotha: Unit 04

• Prose
• Poetry

Sümi: Unit 01

• Unseen passage

Sümi: Unit 02

• Formal letter writing/ report writing
• Invitation/ dialogue writing

Sümi: Unit 03

• Grammar and translation

Sümi: Unit 04

• Prose
• Poetry

Tenyidie: Unit 01

• Unseen passage

Tenyidie: Unit 02

• Formal letter writing/ report writing
• Invitation/ dialogue writing

Tenyidie: Unit 03

• Grammar and translation

Tenyidie: Unit 04

• Prose
• Poetry

Bengali: Unit 01

• Unseen passage

Bengali: Unit 02

• Formal letter writing/ report writing
• Invitation/ dialogue writing

Bengali: Unit 03

• Grammar and translation: (i) Voice (only definition and identification), (ii) substitutions of single words, (iii) idioms (iv) translation

Bengali: Unit 04

• Prose
• Poetry

Hindi: Unit 01

• Unseen passage

Hindi: Unit 02

• Formal letter writing/ report writing
• Invitation/ dialogue writing

Hindi: Unit 03

• Grammar and translation

Hindi: Unit 04

• Prose
• Poetry

Mathematics: Unit 01

• Real numbers: Euclid's division lemma, fundamental theorem of arithmetic-statements after reviewing work done earlier and after illustrating and motivating through examples

Mathematics: Unit 02

• Polynomials: Zeros of a polynomial. Relationship between zeros and coefficients of quadratic polynomials
• Pair of linear equations in two variables: Pair of linear equations in two variables and their graphical solution. Geometric representation of different possibilities of solutions/ inconsistency. Algebraic conditions for number of solutions
• Pair of linear equations in two variables: Solution of a pair of linear equations in two variables algebraically-by substitution, by elimination method. Simple situational problems must be included
• Quadratic equations: Periods Standard form of a quadratic equation ax2 + bx + c = 0, a= 0. Solution of the quadratic equations (only real roots) by factorization, by completing the square and by using quadratic formula
• Quadratic equations: Relationship between discriminant and nature of roots
• Arithmetic progression: Motivation for studying A.P. Derivation of standard results of finding the nth term

Mathematics: Unit 03

• Introduction to trigonometry: Trigonometric ratios of an acute angle of a right-angled triangle. Proof of their existence (well defined); motivate the ratios; whichever are defined at 0 and 90 degree
• Introduction to trigonometry: Values (with proofs) of the trigonometric ratios of 30, 45, and 60 degree. Relationships between the ratios
• Trigonometric identities: Proof and applications of the identity sin2 A + cos2 A = 1. Only simple identities to be given
• Heights and distances: Simple and believable problems on heights and distances. Problems should not Involve more than two right triangles. Angles of elevation/ depression should be only 30, 45, 60 degree

Mathematics: Unit 04

• Lines (in two-dimensions): Review the concepts of coordinate geometry done earlier including graphs of linear equations. Awareness of geometrical representation of quadratic polynomials. Distance between two points and section formula (internal)

Mathematics: Unit 05

• Triangles: Definitions, examples, counter examples of similar triangles
• Triangles: If a line is drawn parallel to one side of a triangle to intersect the other two sides in distinct points, the other two sides are divided in the same ratio (prove)
• Triangles: If a line divides two sides of a triangle in the same ratio, the line is parallel to the third side (motivate)
• Triangles: If in two triangles, the corresponding angles are equal, their corresponding sides are proportional and the triangles are similar (motivate)
• Triangles: If the corresponding sides of two triangles are proportional, their corresponding angles are equal and the two triangles are similar (motivate)
• Triangles: If one angle of a triangle is equal to one angle of another triangle and the sides including these angles are proportional, the two triangles are similar (motivate)
• Triangles: If a perpendicular is drawn from the vertex of the right angle of a right triangle to the hypotenuse, the triangles on each side of the perpendicular are similar to the whole triangle and to each other (motivate)
• Triangles: In a right triangle, the square on the hypotenuse is equal to the sum of the squares on the other two sides (prove)
• Circles: Tangents to a circle motivated by chords drawn from points coming closer and closer to the point
• Circles: The tangent at any Point of a circle is perpendicular to the radius through the point of contact (prove)
• Circles: The lengths of tangents drawn from an external point to a circle are equal (prove)
• Constructions: Division of a line segment in a given ratio (internally), tangent to a circle from a point outside it

Mathematics: Unit 06

• Areas related to circles: Motivate the area of a circle; area of sectors and segments of a circle (central angle of 60, 90, and 120 degree only)
• Areas related to circles: Problems based on areas and perimeter/ circumference of the above said plane figures (plane figures involving triangles, simple quadrilaterals, and circle should be taken)
• Surface areas and volumes: Problems on finding volumes of combinations of any two of the following: Cubes, cuboids, spheres, hemispheres and right circular cylinders/ cones
• Surface areas and volumes: Problems involving converting one type of metallic solid into another and other mixed problems (problems with combination of not more than two different solids be taken.)

Mathematics: Unit 07

• Statistics: Mean, median, and mode of grouped data (bimodal situation to be avoided). Cumulative frequency graph. Drawing of pie-charts (fractional angles to be avoided)
• Probability: Classical definition of probability. Connection with probability as given in Class 9. Simple problems on single events, not using set notation

Science: Unit 01

• Rate of chemical reaction and chemical equilibrium: Elementary idea of rate of reactions, slow and fast reactions, reversible and irreversible reactions. Chemical equilibrium dynamic nature (in brief); acids and bases (Lowry and Bronsted theory); pH scale
• Rate of chemical reaction and chemical equilibrium: Heat changes during chemical reactions
• Some important chemical compounds: Preparation/ manufacture (in brief), properties and uses of-washing soda, baking soda, bleaching powder, and plaster of Paris. Manufacture and properties of some important building materials-lime, cement, glass and steel
• Metals and non-metals: Metals-minerals and ores; metallurgy-enrichment of ores; activity series of metals
• Metals and non-metals: Alloys-components, properties and uses of steel, stainless steel, brass and magnalium alloying of gold. Non-metals-physical and chemicals properties of non-metals
• Metals and non-metals: Preparation, properties, and uses of hydrogen, ammonia, sulphur, sulphuric acid
• Carbon compounds: Carbon; carbon-tetravalency and catenation; functional groups (oxygen containing only); preparation, properties, and uses of ethanol and formaldehyde; carboxylic acids-preparation, properties and uses of acetic acid
• Carbon compounds: Some common synthetic polymers, soaps, and detergents

Science: Unit 02

• Light: Nature of light-theories of light; reflection of light-laws of reflection, reflection from plane and curved surfaces; mirror-plane, concave and convex; sign conventions; derivation of mirror formula, magnification. Laws of refraction
• Light: Refraction through a rectangular slab; image formation by concave and convex lenses; lens formula (with simple treatment); sign conventions; power of lens; some optical phenomena in nature (twinkling of stars, mirage)
• Light: Defects of vision and their correction. Construction and working of a compound microscope and an astronomical telescope; dispersion of white light by a glass prism
• Light: Composition of white light, colour of objects and pigments, super imposition of light of primary colours
• Electricity and its effects: Potential and potential difference, electric current, Ohm's law, combination of resistances in series and parallel; heating effects of electric current and its applications; power, commercial unit of electrical energy
• Electricity and its effects: Electrolysis-Faraday's laws (excluding equations), electroplating, electrochemical cells-dry cell; magnetic field due to current carrying conductor-straight, coil, solenoid (qualitative idea only), electromagnetic induction
• Electricity and its effects: Electric motor and generator (DC), direct and alternating current (qualitative idea), domestic electric circuits, safety measures in using electricity
• Sources of energy: Renewable and non-renewable sources. Renewable sources-solar energy-solar cooker, solar water heater, solar cell; wind energy-hydro energy hydroelectricity, geothermal, biogas, hydrogen
• Sources of energy: Non-renewable sources-fossil fuels, coal, destructive distillation of coal (in brief), petroleum and natural gas; conditions of combustion; choice of a good fuel; efficient use of fuels
• Sources of energy: Nuclear fusion, nuclear fission, chain reaction, nuclear reactors (basic principle and safety measures), advantages and hazards of using nuclear energy; judicious use of energy

Science: Unit 03

• Life processes I: Nutrition, modes of nutrition–autotrophic, heterotrophic, saprophytic, holozoic and parasitic; nutrition in plants-photosynthesis (main steps), factors affecting photosynthesis; nutrition in animals (main steps)-in amoeba and grasshopper
• Life processes I: Human digestive system. Respiration and breathing, types of respiration (aerobic and anaerobic), respiration in plants and animals, respiration through skin, gills, air tube, lungs (earthworm, fish, grasshopper, and human)
• Life processes I: Structure and functions of respiratory organs in humans (elementary idea). Transportation in plants and animals; transportation in plants (water and minerals, food)
• Life processes I: Transportation in human-role and composition of blood, blood clotting, blood groups and blood transfusion; structure and function of heart and blood vessels (elementary idea), lymphatic system; excretion in animals (amoeba and earthworm)
• Life processes I: Excretion in humans; osmoregulation
• Life processes II: Control and coordination-coordination in animals; reflex action, hormones in human beings (in brief). Reproduction-types, significance
• Life processes II: Reproduction in plants-asexual reproduction, vegetative propagation in plants-cutting, grafting and layering; sexual reproduction-reproductive parts in plants; pollination and fertilization
• Life processes II: Reproduction in animals-fission, budding, regeneration; reproduction in humans; sexual cycle in female (in brief); fertilization in humans; artificial insemination, cloning (elementary idea only)
• Heredity and evolution: Heredity and variation; physical basis of heredity-chromosomes, DNA (elementary idea only); genes; sex determination; organic evolution theories of evolution (elementary idea only)

Science: Unit 04

• Management of natural resources: Conservation and judicious use of natural resources, regional environment: Adverse effects of hunting, logging, fishing with chemicals; water harvesting, sustainability of natural resources

Science: Unit 05

• Environment and environmental problems: Biodegradable and non-biodegradable materials; solid waste management; ecological balance-sustainable development, inter-relationship of population; climate change; global warming
• Environment and environmental problems: Efforts for conservation and protection of the environment, environmental laws (mention only)

Social sciences: Unit 01

• Nationalism in Europe: The growth of nationalism in Europe after the 1830’s, the ideas of Giuseppe Mazzini etc, general characteristics of the movements in Poland, Hungary, and Greece
• Nationalism in India: Satyagraha movement, movements of peasants, workers, tribals, Simon commission, INA, cabinet mission
• Trade and globalization: Expansion and integration of the world market, trade and economy between the two wars, shifts after the 1950s, impact of globalization

Social sciences: Unit 02

• Resources: Types, need for resource planning
• Natural resources: Land-changing land use pattern, land degradation, soil types and conservation measures. Water resources: Multipurpose projects, need for conservation and management, rain water harvesting
• Natural resources: Mineral-types, economic importance, and conservation
• Agriculture: Types of farming, major crops, cropping pattern, technological and institutional reforms, their impact, contribution of agriculture to national economy
• Manufacturing industries: Types, contribution of industries to the national economy, industrial pollution and degradation of environment, measures to control degradation
• Transport and communication: Types and importance
• Map reading: Uses of map, classification of map basing on functions, grid reference

Social sciences: Unit 03

• Power sharing mechanisms in democracy: Division of power in democracies, Indian federalism towards national unity, decentralization and national unity, accommodation of different social groups in democracy
• Competition and contestations in democracy: Shaping of democracy in favour of ordinary people, role of political parties in competition and contestations, party system in India
• Outcomes of democracy: Democracy and its outcomes, expectations of democracies with special reference to India, development, security and dignity for the people in democracy, factors that sustains democracy in India
• Challenges to democracy: Challenges to Indian democracy, reforming and deepening of democracy, role of an ordinary citizen in deepening democracy, is the Idea of democracy shrinking?

Social sciences: Unit 04

• Development: Traditional notion of development-national income and per-capita income, growth of NI-critical appraisal of existing development indicators (PCI, IMR, SR, and other income and health indicators)
• Development: The need for health and educational development-human development indicators (in simple and brief) as a holistic measures of development
• Money and financial system: Role of money in an economy, formal and informal financial institutions for savings and credit
• Money and financial system: One formal institution such as a nationalized commercial bank and a few informal institutions-local money lenders, landlords, self help groups, chit funds and private finance companies
• Consumer awareness: Exploitation of consumer and its causes, rise of consumer awareness, consumer's responsibility in a market, role of government in consumer protection

Social sciences: Unit 05

Book keeping and accountancy: Unit 01

• Final accounts-meaning, trading account-meaning, need and purpose, proforma; profit and loss account-meaning, need and purpose
• Balance sheet-meaning, need and purpose, proforma, preparation of trading, profit and loss account and balance sheet of a sole trader (without adjustments)

Book keeping and accountancy: Unit 02

• Types of accounts and their operation; ATM, debit and credit card, e-banking

Book keeping and accountancy: Unit 03

• Utility and preparation

Book keeping and accountancy: Unit 04

• Bills of exchange-meaning, characteristics, parties, elements
• Promissory notes-meaning, characteristics, parties

Book keeping and accountancy: Unit 05

• Types of errors

Book keeping and accountancy: Unit 06

• Meaning, definition, causes, objectives, methods, advantages and disadvantages

Environmental education: Unit 01

• Need for adopting control measures to check for spoilage of landscape
• Need for conservation and management of water-integrated watershed management, recharging of ground water including rain water harvesting, development of appropriate technology
• Conservation and management of forests, grasslands, semi-arid ecosystems
• Conservation and management of ocean resources-marine and coastal ecosystems, importance of coral reefs
• Conservation and management of soil-alternate cropping, judicious use of inputs like water, fertilizers, pesticides; use of manure, biofertilizers and biopesticides; plantation and conservation of grasslands to check soil erosion
• Forest conservation including joint forests management (JFM), afforestation including social forestry and agroforestry
• Measures to conserve wildlife-national parks, sanctuaries and bioreserves; breeding programmes for endangered species; preventing poaching, hunting and biopiracy; enforcement of legal provisions
• Relevance of indigenous practices
• Tribal culture and its linkage to forest resources and their conservation

Environmental education: Unit 02

• Sources of pollution and major pollutants; oil spills
• Effects of pollution on-environment, human health, and other organisms
• Abatement of pollution

Environmental education: Unit 03

• Greenhouse effect and global warning
• Climatic changes
• Acid rain
• Ozone layer depletion
• Disaster-natural and man-made; disaster management and its mitigation

Environmental education: Unit 04

• Adoption of indigenous practices
• Consumer education-consumer rights, making correct choices while buying different items, food adulteration
• Community participation for ecological restoration and conservation
• Protection of wildlife; stopping of cruelty to animals
• Enforcements of acts, laws and policies

Home science: Unit 01

• Principles of growth and development of a child, growth and development of children between birth to 3 years
• Important milestones in physical, motor, social, emotional, and language development of children, physical, social, and emotional needs of children

Home science: Unit 02

• Play-meaning, need, and types of play in children between birth to 3 years
• Characteristics of play-active, passive, natural, serious, and explanatory
• Play materials for children-characteristics of play material
• Role of books, music, rhymes, games, radio, TV, and computer in the life of a child up to 3 years of age

Home science: Unit 03

• Functions, sources, and deficiency of carbohydrates, proteins, calcium, iron, and iodine, and vitamins-vitamins B, C, D
• Loss of nutrients during cooking, conservation, and enhancement of nutrients

Home science: Unit 04

• Concept need and factors affecting meal planning-age, sex, climate, occupation, physical needs, number of family members, economics status of family, availability of food, family traditions, likes and dislikes, and occasion
• Food groups (basic: 5 suggested by ICMR), use of food groups in planning balanced diet, food allowance suggested by ICMR

Home science: Unit 05

• Rules of hygienic handling of food, methods of storage of perishable, semiperishable and non-perishable foods

Home science: Unit 06

• Types of resources-human (energy, time, knowledge, and skills)
• Non-human (money, material goods, and community resources)
• General characteristics of resources, factors affecting wise use of resources, personal, and shared

Home science: Unit 07

• Family income and expenditure, importance of saving, investment

Home science: Unit 08

• Consumer rights and responsibilities, consumer problem, malpractices of traders-price variation, poor quality, adulteration, faulty weights, and measures, non-availability of goods, misleading information, lack of standardized products
• Misleading advertisement, aids to help consumers standardization marks, labels, packages, advertisement, pamphlets, and leaflets

Home science: Unit 09

• Elements of arts, principles of design
• Flower arrangement-definition, types and materials used in flower arrangement

Home science: Unit 10

• Cleaning and finishing agents used in everyday, care of clothes in the homes, stain removal (precautions and methods), laundering and storage of cotton, silk, wool, and synthetics
• Quality check of apparel: Reading of labels of clothes

Foundation of information technology: Unit 01

• Web service: Chat, e-mail, video conferencing, FTP, downloading and uploading files from or to remote site, newsgroup, e-learning, e-banking, e-shopping, e-reservation, e-groups, social networking
• Computer networking: LAN, MAN, WAN, internet, interspace, wired networking technology; examples co-axial cable, ethernet cable, optical fiber wireless networking technology; examples-Bluetooth, infrared, and Wi-Fi
• Data, information, and multimedia (pictures/ image, audio, video, animation)

Foundation of information technology: Unit 02

• Office tools or open office tools, database management software, MS-Access or any other DBMS software (example-SQL, oracle, my SQL)
• Basic concepts and need for a database, creating a database, data types-text, number, date, time
• Setting the primary key, entering data into a database, inserting and deleting fields, inserting and deleting records
• Data validation: Field size, default value, validation rule, validation text, required, allow zero length, creating query using design view only single tab
• Information representation methods: Hyper text markup language-introduction to web page designing using HTML , creating and saving an HTML document
• Information representation methods: Hyper text markup language-accessing a web page using web browser (Internet Explorer, Netscape Navigator, Firefox, Opera, Apple, Safari, Google Chrome)
• Elements in HTML, container and empty elements, designing web pages using the following elements: HTML, head, title, body (attributes: Background, BGcolour,text, link, alink, vlink, leftmargin, topmargin), font (attributes: Color, size, face)
• Elements in HTML, container and empty elements, designing web pages using the following elements: Basefont (attributes: Color, size, face), center, BR (break), HR (horizontal rule, attributes: Size, width, align, noshade, color), comments
• Elements in HTML, container and empty elements, designing web pages using the following elements: <!--- > comments, H1, H6 (heading), P (paragraph), B (bold), I (Italics), U (underline), UL and OL (unordered list and ordered list attributes: Type, start)
• Elements in HTML, container and empty elements, designing web pages using the following elements: LI (list item), insertation of image using the elements IMG (attributes : SRC, width, height, ALT, aling)
• Elements in HTML, container and empty elements, designing web pages using the following elements: Internal and external linking between web pages- significance of linking, A-anchor elements (attributes: Name, HREF, title, ALT)
• Elements in HTML, container and empty elements, designing web pages using the following elements: Introduction of frame tag (attributes: SRC), introduction to audio tab, introduction to video tag, HTML form and inputs

Music: Unit 01

• Know the basic structure of the following instruments: Single string/ cup violin, bamboo mouth organ, flute, trumpet, drum, log drum, bamboo sounding box, leaf music
• Ethnic Naga music instruments
• Naga folk song

Music: Unit 02

• New notes for grade-3, treble clef and bass clef, note values and rests
• Compound time signatures; grouping notes in 6/8, 9/8 and 12/8
• Grouping rests in 6/8, 9/8 and 12/8
• Anacrusis
• Quaver triplets, grouping quaver triplet rests
• The melodic minor scale, the circle of 5ths, more about the new keys for grade-3, labelling scales
• Second inversions of tonic triads, arpeggios (broken chords)
• Intervals-major and minor 6ths and 7ths
• Real and tonal sequences
• Dominant triads in major keys; dominant triads in minor keys; chord progression
• Similar motion, contrary motion
• Bass line; tune
• 4-part chords
• Transposing tunes up or down an octave
• Perfect cadences, musical words, and symbols