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

IAS GS फाउंडेशन कोर्स की अधिक जानकारी या काउंसलिंग के लिए लिंक पर क्लिक करें – https://drishti.xyz/upsc-yt-ias-hindi GS Foundation: https://drishti.xyz/gs-foundation-yt-... IAS Mains Courses: https://drishti.xyz/ias-mains-yt-ias-... IAS Prelims: https://drishti.xyz/ias-prelims-yt-ia... IAS Optional Courses: https://drishti.xyz/optional-yt-ias-h... NCERT Courses: https://drishti.xyz/dla-ncert-yt-ias-...  ************************************************************************* 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. ************************************************************************* महत्त्वपूर्ण प्लेलिस्ट: 1. Drishtikon By Dr. Vikas Divyakirti: https://drishti.xyz/Drishtikon-by-Dr-... 2. Videos by Dr. Vikas Divyakriti: https://drishti.xyz/Videos-DrVikasDiv... 3. Concept Talk- By Dr. Vikas Divyakirti: https://drishti.xyz/Concepttalk-DrVik... 4. NCERT Foundation Series: https://drishti.xyz/NCERT-Foundation-... 5. How to Prepare Optional: https://drishti.xyz/How-to-Prepare-Op... 6. Optional Subject Demo Classes: https://drishti.xyz/Optional-Subject-... 7. Daily Current News: https://drishti.xyz/Daily-Current-News 8. Simplified Videos: https://drishti.xyz/Simplified 9. Drishti IAS Special: https://drishti.xyz/Drishti-IAS-Special 10. Duniya Is Hafte: https://drishti.xyz/Duniya-Is-Hafte-DIH 11. Topper’s Success Stories: https://drishti.xyz/Toppers-Success-S... 12. UPSC Prelims PYQ Analysis: https://drishti.xyz/UPSC-Prelims-PYQ-... 13. UPSC Mock Interview 2024: https://drishti.xyz/UPSC-2024-Mock-In... 14. IAS Toppers Talk 2024: https://drishti.xyz/Toppers-Talk-2024 15. IAS Toppers’ Seminar: https://drishti.xyz/IAS-Toppers-Seminar 16. IAS Toppers’ Strategy: https://drishti.xyz/IAS-Toppers-Strategy ************************************************************************* हमारे प्रमुख कोर्सेज़: 1. GS Foundation Courses: https://drishti.xyz/GS-foundation-Onl... 2. GS Studio Foundation Course (Hindi): https://drishti.xyz/GS-Studio-Foundat... 3. GS Studio Foundation Course (Hinglish): https://drishti.xyz/gs-studio-foundat... 4. GS Studio Foundation Course (English): https://drishti.xyz/GS-Studio-Foundat... 5. NCERT Online Courses: https://drishti.xyz/NCERT-Online-Courses 6. UPSC Optional Subjects Online Courses: https://drishti.xyz/UPSC-Optional-Sub... 7. IAS Prelims 2026 Online Courses: https://drishti.xyz/IAS-Prelims-2026-... 8. IAS Mains 2026 Online Courses: https://drishti.xyz/IAS-Mains-2026-On... 9. Current Affairs (Prelims + Mains) IAS 2026 Online Courses: https://drishti.xyz/UPSC-Current-Affa... 10. UPSC Prelims 2026 Test Series: https://drishti.xyz/IAS-Prelims-2026-... 11. UPSC Mains 2026 Test Series: https://drishti.xyz/IAS-Mains-2026-Te... 12. EPFO Online Course: https://drishti.xyz/UPSC-EPFO-Online-... 13. CAPF Online Courses: https://drishti.xyz/CAPF-Online-Courses ************************************************************************* Download Drishti Learning App Now: iOS: https://drishti.xyz/DLA-IOS Android: https://drishti.xyz/DLA-Android Windows: https://drishti.xyz/DLA-Windows ************************************************************************* Follow Us on Social Media: https://drishti.xyz/SocialMedia-YT #Environment #Ecology #UPSC #UPSCPrelims2026 #EnvironmentMCQs #EcologyMCQs #Biodiversity #ClimateChange #Pollution #Wildlife #RenewableEnergy #UPSCPreparation #DrishtiIAS #Prelims2026 #EnvironmentRevision #UPSCPreparation | #CivilServicesExam | #IASPreparation | #UPSC2026 | #UPSC | #UPSCMotivation | #CurrentAffairs | #upscmains #drishtionlinecourse