Nagaland Board Class 10 Syllabus 2027: Subject-Wise Topics, Unit Weightage and PDF Download

Chapter 1: Real Numbers — Euclid’s Division Lemma; Fundamental Theorem of Arithmetic; Irrational Numbers; Rational Numbers and their Decimal Expansions

Chapter 2: Polynomials — Zeroes of a polynomial; relationship between zeroes and coefficients; division algorithm for polynomials
Chapter 3: Pair of Linear Equations in Two Variables — Graphical method; substitution; elimination; cross-multiplication; consistency of equations
Chapter 4: Quadratic Equations — Standard form; solution by factorisation; completing the square; discriminant; nature of roots
Chapter 5: Arithmetic Progressions — General term (nth term); sum of first n terms; applications

Chapter 7: Coordinate Geometry — Distance formula; section formula (internal and external division); area of a triangle using coordinates

Chapter 6: Triangles — Similarity of triangles; criteria for similarity (AA, SSS, SAS); areas of similar triangles; Pythagoras Theorem and converse
Chapter 10: Circles — Tangent to a circle; number of tangents from an external point; tangent perpendicular to radius (proof)
Chapter 11: Constructions — Division of a line segment in a given ratio; construction of tangents to a circle from an external point

Chapter 8: Introduction to Trigonometry — Trigonometric ratios; values at 0°, 30°, 45°, 60°, 90°; complementary angles; trigonometric identities
Chapter 9: Some Applications of Trigonometry — Angle of elevation; angle of depression; heights and distances problems

Chapter 12: Areas Related to Circles — Perimeter and area of a circle; area of sector and segment; problems combining plane figures
Chapter 13: Surface Areas and Volumes — Surface area and volume of combinations of solids; conversion between solid types; frustum of a cone

Chapter 14: Statistics — Mean, median, and mode of grouped data; cumulative frequency distribution; drawing ogive (less-than and more-than types)
Chapter 15: Probability — Classical definition; simple problems on single events; complementary events

Chemical equations; balancing equations; types of reactions: combination, decomposition, displacement, double displacement; oxidation and reduction

Properties of acids and bases; pH scale; salts; sodium hydroxide production; baking soda; washing soda; Plaster of Paris

Physical and chemical properties; reactivity series; ionic bond formation; occurrence of metals; corrosion; alloys

Covalent bonding; versatile nature of carbon; homologous series; IUPAC nomenclature; ethanol; ethanoic acid; soaps and detergents

Dobereiner’s Triads; Newlands’ Law of Octaves; Mendeleev’s Periodic Table (merits and limitations); Modern Periodic Table; periodic trends in properties

Nutrition (autotrophic and heterotrophic); respiration (aerobic and anaerobic); transportation in plants and animals; excretion in plants and humans

Nervous system; reflex action and reflex arc; human brain; tropic and nastic movements in plants; plant hormones; endocrine glands and animal hormones

Asexual reproduction (fission, budding, fragmentation, regeneration, vegetative propagation, spore formation); sexual reproduction in plants and animals; reproductive health

Heredity; Mendel’s experiments; sex determination; evolution and natural selection; acquired vs inherited traits; speciation; fossils; human evolution

Reflection of light; spherical mirrors; mirror formula and magnification; refraction; laws of refraction; spherical lenses; lens formula; power of a lens

Human eye structure; defects of vision (myopia, hypermetropia, presbyopia) and correction; refraction through a prism; dispersion; atmospheric refraction; scattering of light (Tyndall effect)

Electric current and circuit; potential difference; Ohm’s Law; resistance and its factors; series and parallel combinations; heating effect of current; electric power; commercial unit of energy

Magnetic field and field lines; field due to current-carrying conductor; electromagnet; force on a current-carrying conductor; electric motor; electromagnetic induction; electric generator; domestic electric circuits

Conventional sources (wood, fossil fuels, thermal power, hydropower, nuclear energy); non-conventional sources (solar, wind, tidal, geothermal, biomass, ocean thermal)

Ecosystem and its components; food chains and food webs; biological magnification; ozone layer depletion; waste management

Need for resource management; forests and wildlife conservation; water resources and rainwater harvesting; coal and petroleum conservation; Ganga Action Plan

French Revolution; liberal nationalism; unification of Germany (Bismarck) and Italy (Mazzini, Garibaldi); visualising the nation; feminism and nationalism

Non-Cooperation Movement; Civil Disobedience Movement; Salt March; Quit India Movement; role of peasants, workers, women, and tribal groups in freedom struggle

Pre-modern world trade; 19th century globalisation; colonialism; Great Depression; post-WWII economic order; Bretton Woods institutions (IMF, World Bank)

Proto-industrialisation; rise of factories; industrialisation in colonies; Manchester textile industry; early industrialists and workers in India

Gutenberg press; print revolution in Europe; reading public; women and print; print in colonial India; religious reform and public debates

Types of resources; resource planning; land resources; land use pattern in India; soil types; soil erosion and conservation

Flora and fauna in India; conservation of forests and wildlife; types of forests; reserved, protected and unclassed forests; community-based conservation

Water scarcity and water stress; multi-purpose river projects; dams (benefits and limitations); rainwater harvesting methods

Types of farming; cropping seasons (Kharif, Rabi, Zaid); major crops; technological and institutional reforms; food security

Types and distribution of minerals; ferrous and non-ferrous minerals; conventional energy resources; non-conventional energy resources

Importance of manufacturing; agro-based industries (textile, sugar); mineral-based industries (iron and steel, cement); industrial pollution and control

Roadways, railways, pipelines, waterways, airways; communication systems; international trade; tourism as a trade

Case studies: Belgium and Sri Lanka; forms of power sharing — horizontal, vertical, among social groups, among political parties

Federal vs unitary governments; federalism in India; linguistic states; decentralisation; local self-government bodies (Panchayati Raj)

Social divisions in democracy; politics of social divisions; factors determining political outcomes of social divisions

Gender and politics; communalism and political expression; caste and politics in India; concept of secular state

Nepal democracy movement; Bolivia water war; mobilisation and organisations; pressure groups; political parties and movements

Functions and necessity of political parties; party systems; national parties; state parties in India; challenges and reform

Assessing democracy’s outcomes; democracy and economic growth; accountability and transparency; democratic dignity and equality

Types of democratic challenges; democratic reform; role of legal and constitutional changes; role of citizens

Development goals; national development; income and other goals; sustainable development; Human Development Index (HDI)

Primary, secondary, and tertiary sectors; organised vs unorganised sectors; employment distribution; rising importance of the service sector

Barter system; money as medium of exchange; modern banking; formal and informal credit sectors; self-help groups

Production across countries; foreign trade; liberalisation; WTO; impact of globalisation on India; fair globalisation

Consumer in the marketplace; consumer movement; consumer rights; Consumer Protection Act (COPRA); Consumer Disputes Redressal Forums

Tenses (all forms); Active and Passive Voice; Direct and Indirect Speech (Reported Speech); Modals; Articles; Prepositions; Conjunctions; Sentence transformation; Error identification and correction

Formal Letter (complaint, inquiry, application); Informal Letter; Notice Writing; Paragraph Writing; Essay / Composition; Unseen Comprehension Passage (factual and discursive)