Environment & Ecology — Complete Guide for Competitive Exams

by Pareeksha Content Team

Environment and ecology questions test factual knowledge: greenhouse gases, ozone depletion, pollution types, endangered species, treaties, and conservation strategies. This guide covers ecosystems and biodiversity, food chains and nutrient cycles (carbon, nitrogen, phosphorus, sulfur), climate change and global warming, air pollution and acid rain, water pollution and eutrophication, soil degradation and desertification, forest types and protected areas, endangered species and extinction drivers, international environmental treaties (Montreal Protocol, Paris Agreement, CITES, Ramsar), renewable energy sources, and sustainable development goals. Each concept is grounded in real-world examples from India and globally. 12 chapters, 270+ practice MCQs with memory hooks for every treaty, cycle, and species.