Class 10 Science Chapter 13 (formerly Chapter 15), Our Environment, concludes the NCERT Class 10 Science book (2026-27) by examining ecosystems, producers, consumers and decomposers, food chains and food webs, the 10% energy transfer law, biological magnification, ozone layer depletion, and biodegradable vs non-biodegradable waste management. What Class 10 Science Chapter 13 Covers 13.1 Eco-system … Read more
Class 10 English Words and Expressions II Unit 9 (Old Chapter 11), The Proposal, complements Anton Chekhov’s one-act farce ‘The Proposal’. It develops dramatic comprehension, expressive reporting verbs, adjective-preposition collocations, play-script-to-narrative conversion, and short skit writing. What Class 10 English (Words and Expressions II) Chapter 9 Covers Reading Comprehension & Vocabulary (Dramatic Terms & Reporting … Read more
Class 10 Maths Chapter 7, Coordinate Geometry, derives and applies the Distance Formula between two points (x1, y1) and (x2, y2) in the Cartesian plane and the Section Formula (including the Mid-point Formula) for internal division of a line segment in the ratio m1 : m2. What Class 10 Mathematics (Ganit — Hindi Medium) Chapter … Read more
Class 10 Maths Chapter 8, Introduction to Trigonometry, defines the six trigonometric ratios of an acute angle in a right triangle, derives the exact values of trigonometric ratios at 0°, 30°, 45°, 60° and 90°, and proves the three fundamental Pythagorean trigonometric identities. What Class 10 Maths Chapter 8 Covers 8.1 & 8.2 Trigonometric Ratios … Read more
Class 10 Civics Chapter 3 (formerly Chapter 4 before rationalisation), Gender, Religion and Caste, examines how three deep social divisions—gender (sexual division of labour, feminist movements and women’s political representation), religion (communalism vs secularism) and caste (caste inequalities, caste in politics and politics in caste)—express themselves in Indian democracy. What Class 10 Social Science (Civics) … Read more