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UPSC 2015: Which one of the following is the best description of the term ‘ecosystem’?
(a)A community of organisms interacting with one another
(b)That part of the Earth which is inhabited by living organisms
(c)A community of organisms together with the environment in which they live
(d)The flora and fauna of a geographical area
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Not attemptedCorrect Answer: (c) A community of organisms together with the environment in which they live
An ecosystem is defined as the system of biotic communities together with the abiotic environment with which they interact—both living organisms and their physical surroundings. Options (a) and (d) ignore the non-living context, while (b) refers to the broader biosphere, not a single ecological system. ([en.wikipedia.org](https://en.wikipedia.org/wiki/Ecosystem?utm_source=openai))
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Frequently Asked Questions
What is the correct answer to this UPSC 2015 Environment & Ecology question?▼
The correct answer is option (c): A community of organisms together with the environment in which they live. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Ecosystems & Ecology Concepts question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 2015, GS Paper 1, as Question 84. It falls under Environment & Ecology > Ecosystems & Ecology Concepts.
What is the difficulty level of this UPSC question?▼
This question is rated "easy". It tests basic recall and most well-prepared aspirants should answer it correctly.
How many UPSC Prelims questions have been asked from Ecosystems & Ecology Concepts?▼
UPSC has asked 48 questions from Ecosystems & Ecology Concepts (under Environment & Ecology) across multiple years. Visit the topic page to see the full list and year-wise trends.