General Science

Environment, Ecology & Climate Change

Ecosystem dynamics, Greenhouse Gases, COP Summit agreements, Biodiversity hotspots, and Ramsar sites.

Target: EPFO APFC 2026Topic-Level RAG Context ActiveModel: Nemotron 3.5 Lightning 30B / 120B

Topic Overview

Ecosystem dynamics, Greenhouse Gases, COP Summit agreements, Biodiversity hotspots, and Ramsar sites.

Key Syllabus Concepts

  • Trophic levels, Biomagnification vs Bioaccumulation
  • Greenhouse Gases (CO2, CH4, N2O, Fluorinated gases, Water Vapor)
  • UNFCCC Paris Agreement (1.5°C target), COP Summits, NDCs
  • Ramsar Convention on Wetlands, Wildlife Protection Act 1972 Schedules

High-Yield Important Points & Rules

  • 💡 Biomagnification refers to increase in concentration of a pollutant at successive trophic levels.
  • 💡 Methane (CH4) has a Global Warming Potential (GWP) ~28 times higher than CO2 over 100 years.

Historical UPSC EPFO PYQ Relevance

3 Matched PYQs
2025EPFO APFCGeneral Ability Test• Q.64
Full Question
Which one among the following is the primary environmental concern associated with permafrost thawing in the Arctic ?
2023EPFO EO/AOGeneral Ability Test• Q.56
Full Question
Which of the following statements regarding the attendance of retired judges at sittings of the Supreme Court of India is/are correct?
1
Article 128 permits the attendance of retired judges at the sittings of the Supreme Court.
2
The Chief Justice of India may at any time request anyone who has held office as a Judge of the Supreme Court or of a High Court to sit and act as a Judge of the Supreme Court.
3
The Chief Justice of India may at any time, with the previous consent of the President of India, request any person who has held the office of Chief Justice of a High Court to sit and act as a Judge of the Supreme Court.
4
The Chief Justice of India may at any time, with the previous consent of the President of India, request any person who has held the office of a Judge of the Supreme Court to sit and act as a Judge of the Supreme Court.
2021EPFO EO/AOGeneral Ability Test• Q.77
Full Question
Which of the following statements is/are correct? 1. India is a signatory to the Ramsar Convention. 2. The Ramsar Convention is about wetland conservation. 3. At present there are 76 Ramsar Sites in India. Select the correct answer using the code given below:

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