1 previous year UPSC Prelims question on Species (Environment and Ecology). Choose an option to see the answer and explanation.
Explanations state facts as of the year each question was asked; words like “recently” refer to that year.
Showing 1–1 of 1 question
Prosopis juliflora, or mesquite, is a leguminous flowering plant native to South America. It has become invasive in regions like India, Africa, and the Middle East, where it competes with native species for water and nutrients, threatening local bio-diversity.
| Q | UPSC year | Correct answer |
|---|---|---|
| 1 | 2018 | (b) It tends to reduce the biodiversity in the area in which it grows. |
This page covers 1 previous year UPSC Prelims GS Paper-I questions on Species (Environment and Ecology), asked from 2011 to 2025. Each has the correct answer and an explanation.
Attempt each question first, then open the answer and read the explanation for every option. Repeat by chapter, and track which statements UPSC reuses across years. Previous year questions show the exam pattern and difficulty level.
Questions on Species (Environment and Ecology) are available for 15 years, from 2011 to 2025. Use the Year filter to practise a single paper.
