IAS Environment & Ecology PYQ
Topic-wise IAS Environment & Ecology previous year questions with detailed solutions.
242 Questions
1 Topics
1996–2026
Year-wise weightage
How many Environment & Ecology questions each topic contributed per year in IAS — darker cells mean more questions that year. Tap a topic to open its questions.
| Topic | Weightage | Total | 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 | 1999 | 1998 | 1996 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Environment & Ecology | 100.0% | 242 | 5 | 9 | 12 | 13 | 13 | 14 | 11 | 12 | 10 | 12 | 9 | 9 | 17 | 15 | 14 | 14 | 9 | 6 | 7 | 5 | 1 | 2 | 4 | 1 | 2 | 3 | 1 | 5 | 2 | 5 |
| All topics | 242 | 5 | 9 | 12 | 13 | 13 | 14 | 11 | 12 | 10 | 12 | 9 | 9 | 17 | 15 | 14 | 14 | 9 | 6 | 7 | 5 | 1 | 2 | 4 | 1 | 2 | 3 | 1 | 5 | 2 | 5 |
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Environment & Ecology Topics
IAS Environment & Ecology questions
A cross-section of Environment & Ecology questions asked in IAS, spread across topics and years. Open any one for the full solution.
- Consider the following statements about Rhynchostylis retusa (Foxtail orchid): 1. It is an epiphytic orchid.…2026
- Which one of the following is the first Plan Vivo certified Reducing Emissions from Deforestation and Forest…2026
- Which of the following best explain(s) the rationale for protecting mangrove ecosystems in the context of…2026
- With respect to the Western Hoolock Gibbons, which of the following statements is/are correct? 1. A Sanctuary…2026
- Which of the following statements with regard to the arrival of Amur Falcons at Doyang Lake in Nagaland each…2026
- Consider the following statements : 1. Statement I : Circular economy reduces the emissions of greenhouse…2025
- Consider the following statements : 1. Carbon dioxide (CO2) emissions in India are less than 0·5 t…2025
- The World Bank warned that India could become one of the first places where wet-bulb temperatures routinely…2025
- Consider the following pairs : Plant | Description I. Cassava | : Woody shrub II. Ginger | : Herb with…2025
- Consider the following statements : 1. Statement I : Article 6 of the Paris Agreement on climate change is…2025
- Consider the following statements : 1. Statement I : Of the two major ethanol producers in the world, i.e.,…2025
- Artificial way of causing rainfall to reduce air pollution makes use of2025
- With reference to the planet Earth, consider the following statements : 1. Rain forests produce more oxygen…2025
- Regarding Peacock tarantula (Gooty tarantula), consider the following statements : 1. It is an omnivorous…2025
- Consider the following statements : 1. Statement-I : Many chewing gums found in the market are considered a…2024
- With reference to perfluoroalkyl and polyfluoroalkyl substances (PFAS) that are used in making many consumer…2024
- Consider the following : 1. Carabid beetles 2. Centipedes 3. Flies 4. Termites 5. Wasps Parasitoid species…2024
- The organisms "Cicada, Froghopper and Pond skater" are :2024
- Consider the following statements : 1. Statement-I : The Indian Flying Fox is placed under the "vermin"…2024
- Consider the following : 1. Butterflies 2. Fish 3. Frogs How many of the above have poisonous species among…2024
- Consider the following : 1. Cashew 2. Papaya 3. Red sanders How many of the above trees are actually native…2024
- Which one of the following shows a unique relationship with an insect that has coevolved with it and that is…2024
- Consider the following statements : 1. Lions do not have a particular breeding season. 2. Unlike most other…2024
- According to the Environmental Protection Agency (EPA), which one of the following is the largest source of…2024
- One of the following regions has the world's largest tropical peatland, which holds about three years worth…2024
- Consider the following plants : 1. Groundnut 2. Horse-gram 3. Soybean How many of the above belong to the pea…2024
- Consider the following fauna : 1. Lion-tailed Macaque 2. Malabar Civet 3. Sambar Deer How many of the above…2023
- Consider the following statements : 1. In India, the Biodiversity Management Committees are key to the…2023
- Consider the following statements : 1. Statement-I : Carbon markets are likely to be one of the most…2023
- Consider the following statements : 1. Statement-I : Marsupials are not naturally found in India. 2.…2023
- 'Invasive Species Specialist Group' (that develops Global Invasive Species Database) belongs to which one of…2023
- Which one of the following is a part of the Congo Basin?2023
- Consider the following statements : 1. Once the Central Government notifies an area as a 'Community Reserve',…2023
- Consider the following statements : 1. Some microorganisms can grow in environments with temperature above…2023
- Consider the following activities: 1. Spreading finely ground basalt rock on farmlands extensively 2.…2023
- Consider the following statements regarding mercury pollution : 1. Gold mining activity is a source of…2023