NCERT CLASS 11TH GEOGRAPHY CH 4 | UPSC | PCS | MUST WATCH | SIMPLIFIED AND EASY | UPSC 2026 |

📘 NCERT Class 11 Geography – Chapter 4: Distribution of Oceans and Continents | UPSC 2026 / PCS / Foundation Series Welcome back future officers! 🚀 In this session we’ll decode one of the most fascinating NCERT chapters — “Distribution of Oceans and Continents” — which explains how our continents and oceans were formed and arranged through time. 🌍 We’ll connect every concept with UPSC Prelims + Mains GS Paper-1 and Geography Optional, explained in simple Hinglish so that even beginners can master it easily. 🧭 What You’ll Learn in This Lecture Complete NCERT Chapter 4 line-by-line explanation Continental Drift Theory – Alfred Wegener simplified Evidence of drift – fossils, rocks, glaciation, and fit of continents Forces of drift – Polflucht & tidal force concepts Sea-Floor Spreading Theory – Harry Hess model Plate Tectonic Theory – plates, boundaries, movements Real-life examples from Indian subcontinent (Himalayas, Indian Plate movement) Important diagrams + UPSC-style MCQs & answer hints 📘 Topics Covered ✅ Wegener’s Continental Drift Theory (1912) ✅ Evidence supporting drift ✅ Major drawbacks of the theory ✅ Sea-Floor Spreading and Mid-Oceanic Ridges ✅ Magnetic Anomalies & Palaeomagnetism ✅ Concept of Plate Tectonics and Types of Boundaries ✅ Formation of Mountains, Rift Valleys & Earthquakes 💡 Why Watch This Lecture? 🔹 Builds conceptual clarity for UPSC GS-1 and Geography Optional 🔹 Integrates NCERT concepts with modern plate tectonics theory 🔹 Includes all important diagrams and keywords for exam answers 🔹 Easy Hinglish explanation + Indian examples for better memory 🔹 Foundation for volcano, earthquake and mountain-building topics 📚 Best For UPSC CSE | State PCS | Geography Optional | CUET | Foundation Batch Students 🧠 Bonus Covered in Lecture Mnemonic for remembering major plates 🌏 Difference between Wegener vs Hess vs Plate Tectonics How Indian Plate moved to collide with Eurasian Plate forming Himalayas Latest research & map-based questions for UPSC Prelims 🔔 Don’t Forget 👉 Like, Share & Subscribe for the complete NCERT-to-UPSC Geography series 👉 Comment your doubts — we’ll discuss them in the next session 👉 Join Telegram / Instagram for daily UPSC notes and quiz updates #UPSC2026 #NCERTGeography #DistributionOfOceansAndContinents #Class11Geography #ContinentalDriftTheory #PlateTectonics #SeaFloorSpreading #UPSCFoundation #PCSExam #UPSCPreparation #IASGeography #NCERTtoUPSC #GeographyLecture #UPSCStrategy