What is Carbon Capture, Utilization and Storage (CCUS) ? What is the potential role of CCUS in tackling climate change ? (Answer in 150 words)
UPSC CSE · GS Paper 3 · UPSC · 2025
Environment and Ecology — UPSC CSE GS Paper 3 PYQs
5 questions from this chapter, asked in 1 UPSC CSE exams between 2025.
5questions
1UPSC CSE exams
2025years covered
10 / 15mark values asked
Questions asked per year
Practice questions first 5 of 5 — free
Seawater intrusion in the coastal aquifers is a major concern in India. What are the causes of seawater intrusion and the remedial measures to combat this hazard ? (Answer in 150 words)
Examine the factors responsible for depleting groundwater in India. What are the steps taken by the government to mitigate such depletion of groundwater ? (Answer in 250 words)
Mineral resources are fundamental to the country's economy and these are exploited by mining. Why is mining considered an environmental hazard ? Explain the remedial measures required to reduce the environmental hazard due to mining. (Answer in 250 words)
Write a review on India's climate commitments under the Paris Agreement (2015) and mention how these have been further strengthened in COP26 (2021). In this direction, how has the first Nationally Determined Contribution intended by India been updated in 2022 ? (Answer in 250 words)
Why practise Environment and Ecology PYQs?
Environment and Ecology has appeared in the 1 UPSC CSE GS Paper 3 exam we track between 2025, with questions worth 10, 15 marks. UPSC examiners consistently reuse concepts and question patterns from this topic — practising its previous year questions is the most reliable way to know exactly what to expect in your exam.