Ecology
Biology — topic guides, questions, and exam chapters with this tag
Topic guide
Ecology — Ecosystems, Food Chains & Biogeochemical Cycles (Class 12)
Biotic and abiotic factors, ecosystem structure, food chain and web, energy flow, ecological pyramids, nutrient cycles. NCERT Class 12 Chapter 14.
Solved questions
Biodiversity Hotspots — Western Ghats as Example
NEET 2024
Difference between biome and ecosystem with examples
Difference Between Food Chain and Food Web
CBSE 2024 Board Exam
Ecology: Common Mistakes and How to Fix Them
Ecology: Conceptual Doubts Cleared
Ecology: Numerical Problems Solved Step-by-Step
Ecology: Previous Year Questions with Solutions
Ecology: Tricky Problems from JEE/NEET
Energy flow in ecosystem — 10% law and ecological pyramids
NEET 2023
Explain Ecological Succession — Primary and Secondary
NEET 2024
Explain succession — from pioneer to climax community in a pond
Nitrogen cycle in nature — fixation, nitrification, denitrification
Nitrogen cycle in nature — fixation, nitrification, denitrification
Biomagnification — DDT accumulation through food chain and health effects
NCERT Class 12
Food chain and food web — give examples from forest and pond ecosystem
NCERT Class 10
Decomposition process — fragmentation, leaching, catabolism, humification, mineralization
Ecological pyramids — number, biomass, energy with inverted examples
Species interaction types — mutualism, competition, predation, parasitism, commensalism
What is an ecological pyramid — types and limitations
Nitrogen cycle in ecosystem — nitrogen fixation, nitrification, denitrification
NCERT Class 12
Population interactions — mutualism, competition, predation, parasitism examples
NEET 2023
Explain the Carbon Cycle — How Carbon Moves Through the Ecosystem
NCERT Class 12 Chapter 14
Why is Only 10% Energy Transferred Between Trophic Levels? — Lindeman's Rule
NCERT Class 12 Chapter 14
Draw a Food Chain in a Grassland Ecosystem — 4 Levels
NCERT Class 12 Chapter 14
What Are Biogeochemical Cycles? Nitrogen Cycle Explained
NEET 2023
Explain Ecological Pyramid — Numbers, Biomass, Energy
NEET 2024
Adaptations of organisms — desert, aquatic, mountain, forest environments
Population growth models — exponential vs logistic growth with equations
NCERT Class 12
Ecological succession — primary and secondary succession with examples
NCERT Class 12
Biogeochemical cycles overview — water, carbon, nitrogen, phosphorus compared
Biogeochemical cycles overview — water, carbon, nitrogen, phosphorus compared
Explain succession — from pioneer to climax community in a pond
Carbon cycle — how carbon moves through atmosphere, biosphere, lithosphere
Carbon cycle — how carbon moves through atmosphere, biosphere, lithosphere
Phosphorus cycle — why is it different from other biogeochemical cycles
Phosphorus cycle — why is it different from other biogeochemical cycles