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UPSC 2011: Biodiversity forms the basis for human existence in the following ways: 1. Soil formation 2. Prevention of soil erosion 3. Recycling of waste 4. Pollination of crops Select the correct answer using the codes given below:
(a)1, 2 and 3 only
(b)2, 3 and 4 only
(c)1 and 4 only
(d)1, 2, 3 and 4
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Not attemptedCorrect Answer: (d) 1, 2, 3 and 4
Biodiversity underpins all major regulating and supporting ecosystem services: living organisms drive soil formation, bind soil and prevent erosion, recycle nutrients and wastes, and many species (insects, birds, bats) pollinate crops. Therefore all four listed functions derive from biodiversity, making option (d) correct. ([testbook.com](https://testbook.com/question-answer/biodiversity-forms-the-basis-for-human-existence-i--60210fd1bb556431ae7d7b33?utm_source=openai))
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Frequently Asked Questions
What is the correct answer to this UPSC 2011 Environment & Ecology question?▼
The correct answer is option (d): 1, 2, 3 and 4. 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 2011, GS Paper 1, as Question 61. 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.