Environment topic analysis
Water, Wetlands & Marine UPSC PYQs
These PYQs cover groundwater, wetlands, rivers, marine and coral systems, aquaculture, water management, and aquatic conservation challenges. This live collection contains 11 classified questions across 7 exam years, from 2014 to 2023.
Year-by-year frequency
Counts show how many questions in this library were assigned to the category in each represented exam year. A zero is not implied for omitted years, and frequency alone is not a prediction of a future paper.
Source topic labels in this cluster
Recurrent concept labels
Representative solved questions
The sample prioritizes different years and removes repeated prompt text. Open a question to see its options, independent answer, and explanation.
UPSC 2023 · Environment
Consider the following statements : Statement-I : According to the United Nations' 'World Water Development Report, 2022', India extracts more than a quarter of the world's gr...
UPSC 2022 · Environment
"Biorock technology" is talked about in which one of the following situations?
UPSC 2021 · Environment
Consider the following kinds of organisms : 1. Copepods 2. Cyanobacteria 3. Diatoms 4. Foraminifera Which of the above are primary producers in the food chains of oceans?
UPSC 2020 · Environment
Consider the following statements : 1. 36% of India's districts are classified as "overexploited" or "critical" by the Central Ground Water Authority (CGWA). 2. CGWA was forme...
UPSC 2018 · Environment
Consider the following statements : 1. Most of the world's coral reefs are in tropical waters. 2. More than one-third of the world's coral reefs are located in the territories...
UPSC 2015 · Environment
With reference to 'dugong', a mammal found in India, which of the following statements is/are correct? 1. It is a herbivorous marine animal. 2. It is found along the entire co...
UPSC 2014 · Environment
If a wetland of international importance is brought under the 'Montreux Record', what does it imply?
UPSC 2023 · Environment
With reference to the role of biofilters in Recirculating Aquaculture System, consider the following statements : 1. Biofilters provide waste treatment by removing uneaten fis...
UPSC 2022 · Environment
"If rainforests and tropical forests are the lungs of the Earth, then surely wetlands function as its kidneys." Which one of the following functions of wetlands best reflects...
UPSC 2015 · Environment
Which of the following National Parks is unique in being a swamp with floating vegetation that supports a rich biodiversity?
How this page is built
Topic and concept labels are AI-assisted enrichment, not official UPSC classifications. We map them into a conservative editorial taxonomy using deterministic label rules, publish a category only when it has at least 10 questions across at least three exam years, and keep ambiguous records out of topic pages. Counts update with the question bank. See the full methodology and correction policy.