Complete Physical Geography - Biogeography And Environment | ONE SHOT 🔥 | for UPSC 2026

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⏳Timestamps:

00:00:00 - Introduction
00:02:29 - Batch Updates
00:03:40 - Ecology
00:04:52 - Levels of Ecological Interactions
00:08:23 - Environment
00:09:24 - Ecosystem : Components & Functions
00:11:22 - Energy Flow : Food Chain
00:15:18 - Types of Food Chain
00:17:35 - Food Web
00:18:15 - Ecological Pyramid
00:19:55 - Types of Pyramid
00:26:08 - Biogeochemical Cycle
00:30:40 - Carbon Cycle
00:33:23 - Nitrogen Cycle
00:37:13 - Oxygen Cycle
00:38:20 - Phosphorus Cycle
00:39:35 - Sulphur Cycle
00:40:49 - Ecological Succession
00:44:43 - Biodiversity, Biogeography
00:45:39 - Types of Biodiversity
00:48:49 - Pattern of Biodiversity
00:54:08 - Functions of Biodiversity
00:54:48 - Biodiversity Hotspots
00:56:43 - Measures for Biodiversity Conservation
01:01:42 - Biosphere Reserve
01:04:30 - Thank You
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Complete Physical Geography – Biogeography & Environment | ONE SHOT 🔥 | UPSC 2026
In this ONE SHOT session, we cover Biogeography and Environment from Physical Geography in a clear, concept-oriented, and exam-relevant manner. This lecture is designed specially for UPSC Prelims & Mains 2026, focusing on static concepts with strong linkage to current affairs.

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📌 What you will learn in this class:
Meaning and scope of Biogeography
Major Biomes of the World
Factors affecting distribution of flora and fauna
Ecosystem structure and functions
Biodiversity:

levels, hotspots, and conservation
Environmental degradation and challenges
Climate change linkages and global environmental issues
UPSC PYQs-based conceptual clarity
This ONE SHOT is ideal for:

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UPSC 2026 aspirants
Quick revision before Prelims
Strengthening Mains answer writing
Geography + Environment integrated preparation
The session follows an exam-oriented approach, simple explanations, and smart interlinking of topics frequently asked by UPSC.


📚 Use this lecture to build strong fundamentals in Physical Geography and Environment.

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#biodiversity #climatechange #environmentandecology