Revise for UPSC Environment for Prelims UPSC | 25 MCQs

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In this video, we cover Environment revision strategy for UPSC Prelims through 25 important MCQs.
This session will help you revise key concepts like ecology, biodiversity, environment conventions, and current affairs based environment topics in a smart and exam oriented way.
You will learn how to eliminate options, apply basic concepts, and improve accuracy in Environment questions for UPSC Prelims.
This is especially useful for aspirants preparing for UPSC Prelims who want quick revision and MCQ practice in limited time.
Watch till the end to strengthen your Environment preparation and boost your Prelims score.

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00:00 – 25 Environment PYQ MCQs Session
01:07 – Kumki Elephants | DNA-Based Census 2025 | State-wise Distribution | REHAB Project
04:40 – Biosphere Reserves | 18 Reserves 13 UNESCO Included | MRSD2 Mnemonic
08:11 – Invasive Alien Species | Lantana Camara vs Chromolaena Odorata
11:42 – Degree Heating Weeks | Coral Bleaching | Heat-Tolerant vs Sensitive Coral Species
14:47 – Antarctic Krill | Keystone Species | Filter Feeders | Crustaceans Not Mollusca
17:05 – Belem 4X Pledge | COP 30 Brazil | Quadrupling Renewable Energy & Sustainable Fuels
19:58 – Cheetahs in India | Diurnal vs Nocturnal | Kuno Gandhi Sagar Veerangana Durgavati
25:19 – Sea Creatures | Sea Cow Sea Lion Sea Horse | Mollusca Crustaceans Classification
27:28 – Canton & Miller Award | Kaziranga Tiger Reserve
26:47 – Sundarbans | Second Largest Tiger Reserve | Lohachara Island Lost to Sea Level Rise
30:05 – Great Nicobar Biosphere Reserve | Amrit Kaur River
31:39 – Bitra Island Lakshadweep | Smallest Inhabited Island | Northern Group Correction
32:31 – Ramsar Sites India | Kabartal Udawa Khechia Palar Patna Bird Sanctuary Match
33:44 – Greenland | Arctic Circle Coverage | World's Largest National Park | Tectonic Identity
35:29 – BBNJ High Seas Treaty | Entered Force January 2026 | Not EEZ Not Deep Sea Mining
37:26 – Darwin's Bark Spider | Madagascar Endemic | Dragline Silk | Female Only Production
39:13 – Deer Species India | Hangul Sangai Swamp Deer Sambhar | IUCN Status & State Animals
41:28 – India's Updated NDCs 2035 | 47% Emission Intensity | 60% Non-Fossil Power | Carbon Sink
43:50 – Olive Ridley Turtles | Turtle Reserves | Satellite Telemetry | Arribada Mass Nesting
45:29 – Sandalwood Leopard Karnataka | Colour Morph | Hypomelanism & Erythrism
47:29 – DRAP Scheme | Swachh Bharat Mission Urban 2.0 | Biocapping & Biomining Legacy Waste
49:13 – Hydrogen Colours | Green Blue Grey Turquoise Pink | MNRE Standards Explained
52:31 – Kuttanad Paddy Fields | India's First GIAHS | Soil Acidity Aluminium Crisis Kerala
54:11 – Triple COP BRS Convention | Basel Rotterdam Stockholm
55:37 – NATPOLREX | Indian Coast Guard Biennial Oil Spill Pollution Response Drill

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