GK / GS · Chapter 1
Ecology and Ecosystem PYQs
Look at the pond near your village.
Ecology Basics and Key Terms 11 PYQs
- Which of the following statement is correct regarding endemic species?SSC MTS 2026 · 17 Feb 2026
- Under the U.S. (United States) Environmental Protection Agency's Air Quality Index (AQI) system, which air-quality category is indicated by the…SSC Selection Post 2026 · 19 Sep 2026
- To reduce pollution, governments are helping businesses use:SSC Selection Post 2026 · 21 Sep 2026
- Geoengineering refers to large-scale interventions in which system to intentionally cool the planet?SSC Selection Post 2026 · 19 Sep 2026
- Why is a direct numerical comparison of the AQI between India and the USA technically complex?SSC Selection Post 2026 · 25 Sep 2026
- In Environmental Ecology, the "Deep Ecology" movement, as coined by Arne Naess, primarily advocates for:SSC Selection Post 2026 · 18 Sep 2026
- The Sirkeer Malkoha, a rare bird species recently reported in the news, is typically found in the plains of which state?SSC Selection Post 2026 · 24 Sep 2026
- What public health advisory applies when AQI in Delhi exceeds 300 ('Very Poor')?SSC Stenographer 2026 · 11 Sep 2026
- What is a key focus of the Draft Solid Waste Management Rules, 2024, compared to the 2016 rules?SSC Stenographer 2026 · 15 Sep 2026
- A prey population increases from 400 individuals to 600 individuals over one year. What is the percentage growth in the population during this period?SSC CGL 2026 · 06 Oct 2026
- With reference to Earth’s biosphere, consider the following statements and choose the correct option: 1. Photosynthesis is the primary process…SSC CGL 2026 · 16 Oct 2026
Components and Types of Ecosystem 3 PYQs
- Which is the primary legal act for air pollution control in India?SSC Stenographer 2026 · 10 Sep 2026
- In a pond ecosystem, pesticide exposure causes a substantial decline in the population of fish that help regulate aquatic insect populations. After…SSC CGL 2026 · 10 Oct 2026
- Which statement best distinguishes abiotic components from biotic components in an ecosystem?SSC CGL 2026 · 16 Oct 2026
Food Chain, Energy Flow and Pyramids 7 PYQs
- What is the principal source of energy for life on Earth?SSC Stenographer 2026 · 10 Sep 2026
- The AQI of Delhi during winter often exceeds 400. What is the primary scientific and policy-based reason for such critical levels?SSC Stenographer 2026 · 15 Sep 2026
- Which of the following best describes the primary ecological function of a food web within a natural habitat?SSC CGL 2026 · 30 Sep 2026
- A region experiences rapid deforestation followed by irregular river flow, floods during monsoon, and drought afterward. Which ecological principle…SSC CGL 2026 · 14 Oct 2026
- A region experiences deforestation, soil erosion, altered river flow, and local climate shifts. Which conclusion reflects the most integrated…SSC CGL 2026 · 22 Oct 2026
- Which statement best describes the ecological importance of protozoa and zooplankton in aquatic ecosystems?SSC CGL 2026 · 23 Oct 2026
- Which of the following best explains why ecosystems are considered interdependent systems?SSC CGL 2026 · 28 Oct 2026