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UPSC 2011: The Himalayan Range is very rich in species diversity. Which one among the following is the most appropriate reason for this phenomenon?
(a)It has a high rainfall that supports luxuriant vegetative growth
(b)It is a confluence of different bio-geographical zones
(c)Exotic and invasive species have not been introduced in this region
(d)It has less human interference
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Not attemptedCorrect Answer: (b) It is a confluence of different bio-geographical zones
The Himalaya forms an ecotonal meeting ground of the Indo-Malayan, Palearctic and Afrotropical realms, creating a mosaic of habitats from tropical foothills to alpine zones. This confluence of diverse biogeographical regions underlies its extraordinary species richness, rather than merely high rainfall, absence of exotics or low human pressure. ([studyadda.com](https://www.studyadda.com/solved-papers/solved-paper-general-studies-2011_q80/771/355509?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 (b): It is a confluence of different bio-geographical zones. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Biodiversity & Conservation question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 2011, GS Paper 1, as Question 24. It falls under Environment & Ecology > Biodiversity & Conservation.
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 Biodiversity & Conservation?▼
UPSC has asked 45 questions from Biodiversity & Conservation (under Environment & Ecology) across multiple years. Visit the topic page to see the full list and year-wise trends.