Civil Services Prepby Garima Malik & Nitin Sangwan

Agriculture and Food Systems CSAT: Comprehension, Reasoning and Numeracy Current Affairs Study Disaster Risk and Management Economy and Development Qualifying English Environment, Ecology and Climate Essay and GS Answer Writing Ethics, Integrity and Aptitude Indian and World Geography Governance and social justice Ancient and Medieval History, Art and Culture Modern Indian History Qualifying Indian Language Internal Security International Relations Polity and Constitution General Science and Technology Indian Society Modern World History

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Environment, Ecology and Climate
Ecosystem structure and functioning
Energy transfer

UPSC · Prelims and Mains

Environment, Ecology and Climate

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Environment, Ecology and Climate

Organisms, populations and ecological relationships
Ecosystem structure and functioning
Habitats, ecological boundaries and degradation
Biodiversity loss and conservation
Air pollution and noise
Water pollution, soil contamination and environmental health
Waste management and cleaner production
Climate change, mitigation and adaptation
International environmental cooperation
Environmental assessment and sustainable development
Indian conservation law and biodiversity access
Environmental clearances, forest diversion and remedies

← Ecosystem structure and functioning

Energy transfer

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Producer
Consumer
Decomposer
Trophic level
Grazing food chain
Detritus food chain
Food web
Trophic transfer efficiency
Pyramid of numbers
Pyramid of biomass
Pyramid of energy
Inverted ecological pyramids
Standing crop at a given time

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