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UPSC 2012: Which of the following can be threats to the biodiversity of a geographical area? 1. Global warming 2. Fragmentation of habitat 3. Invasion of alien species 4. Promotion of vegetarianism Select the correct answer using the codes given below :
(a)1, 2 and 3 only
(b)2 and 3 only
(c)1 and 4 only
(d)1, 2, 3 and 4
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Not attemptedCorrect Answer: (a) 1, 2 and 3 only
Global warming alters habitats, habitat fragmentation isolates populations, and invasion by alien species out-competes natives—all three are well-recognised threats to biodiversity. Merely promoting vegetarianism has no direct negative impact on biodiversity. Hence statements 1, 2 and 3 are correct. ([rishiupsc.com](https://rishiupsc.com/2012-prelims-question-paper-with-answers/))
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Frequently Asked Questions
What is the correct answer to this UPSC 2012 Environment & Ecology question?▼
The correct answer is option (a): 1, 2 and 3 only. 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 2012, GS Paper 1, as Question 96. 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.