Part of the General Studies-I question bank for OPSC (OAS) Mains.
A comprehensive, topic-wise practice set of 31 questions on Environment & Ecology for OPSC (OAS) Mains General Studies-I. 11 of them have been set in an actual paper — the years and exams are printed against each (2024, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2006). The rest are practice questions on the same syllabus points.
Previous year questions
| No. | Question | Asked in |
|---|---|---|
| 1 | What are the different types of forest found in Odisha and how these forests play an important role in biodiversity? | OPSC OAS Mains 2024 15 marks |
| 2 | Comment on the resource potentials of the long coastline of India and highlight the status of natural hazard preparedness in these areas. | UPSC Mains GS-I 2024 15 marks |
| 3 | Identify and discuss the factors responsible for diversity of natural vegetation in India. Assess the significance of wildlife sanctuaries in rain forests regions of India. | UPSC Mains GS-I 2024 15 marks |
| 4 | Outline the significance of Bhitarkanika National Park. | OPSC OAS Mains 2022 20 marks |
| 5 | Examine the status of forest resources of India and its resultant impact on climate change. | UPSC Mains GS-I 2022 15 marks |
| 6 | Discuss the causes of depletion of mangroves and explain their importance in maintaining coastal ecology. | UPSC Mains GS-I 2021 10 marks |
| 7 | Assess the impact of global warming on the coral life system with examples. | UPSC Mains GS-I 2020 10 marks |
| 8 | Mangrove forests of Odisha | OPSC OAS Mains 2019 4 marks |
| 9 | Explain ecological impacts of mangrove forest in Odisha Coast. | OPSC OAS Mains 2018 5 marks |
| 10 | Assess the impacts of Chilika lake on the local economy of Odisha. | OPSC OAS Mains 2018 5 marks |
| 11 | Environmental significance of Mangrove Forests in Odisha | OPSC OAS Mains 2016 4 marks |
| 12 | Problems encountered by the ecosystem of the Chilika Lake | OPSC OAS Mains 2015 5 marks |
| 13 | Gandhamardan Hills | OPSC OAS Mains 2015 5 marks |
| 14 | Features of Northern Tropical Semi Evergreen Forests of Odisha | OPSC OAS Mains 2015 5 marks |
| 15 | What steps have been taken to protect the flora and fauna of the country? | OPSC OAS Mains 2015 GS Paper-I Q.5(c)(ii) · 10 marks with (i) |
| 16 | Industrial development has certainly numerous advantages in India, but it has created some environmental problems. Discuss. | OPSC OAS Mains 2006 GS Paper-I Q.5(b) · 10 marks |
| 17 | Chilka Lake - A tourist resort. | OPSC OAS Mains 2006 GS Paper-I Q.6(b) · 5 marks |
Practice questions
| No. | Question | Source |
|---|---|---|
| 18 | Outline the critical characteristics of mangroves. Additionally, delve into the factors contributing to their degradation in the present times. | — |
| 19 | Examine the threats imposed upon coral reefs by climate change, substantiating your analysis with illustrative examples. | — |
| 20 | Explicate the significance of the Aravalli green wall in combating desertification. Highlight its socio-economic impact and examine the potential challenges associated with its implementation. | — |
| 21 | Forest resources in India are greatly substantial and impactful for achieving SDGs 2030. Comment on the context in the light of accompanied challenges and measures to resolve them. | — |
| 22 | Enumerate the findings of the Global Peatland Assessment Report by UNEP. Explain how can it be a benefactor towards a better future? | — |
| 23 | What are the different types of forest found in Odisha and how these forests play an important role in biodiversity? | — |
| 24 | Outline the significance of Bhitarkanika National Park. | — |
| 25 | Identify and discuss the factors responsible for diversity of natural vegetation in India. Assess the significance of wildlife sanctuaries in rain forests regions of India. | — |
| 26 | Examine the status of forest resources of India and its resultant impact on climate change. | — |
| 27 | Discuss the causes of depletion of mangroves and explain their importance in maintaining coastal ecology. | — |
| 28 | Assess the impact of global warming on the coral life system with examples. | — |
| 29 | Explain ecological impacts of mangrove forest in Odisha Coast. | — |
| 30 | Assess the impacts of Chilika lake on the local economy of Odisha. | — |
| 31 | Problems encountered by the ecosystem of the Chilika Lake | — |