UPSC Prelims 2026 | Environment & Ecology MCQs Practice | Revision Session | Drishti IAS

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Prepare smartly for UPSC Prelims 2026 with this comprehensive Environment & Ecology MCQ Revision Session by Drishti IAS. In this video, important topics such as biodiversity, biosphere reserves, air pollution, AQI, renewable energy, wildlife conservation, hibernation, mercury pollution, tiger vs leopard differences, filter feeders, and ecological concepts are discussed through exam-oriented multiple-choice questions and detailed explanations.
This revision session is specially designed to strengthen conceptual clarity and improve elimination techniques for UPSC Prelims. Questions are based on current environmental issues, government initiatives, ecological concepts, and previous UPSC trends, making it highly useful for IAS aspirants preparing for Prelims 2026.


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