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UPSC 2008: The release of which one of the following into ponds and wells helps in controlling the mosquitoes?
(a)Crab
(b)Dogfish
(c)Gambusia fish
(d)Snail
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Not attemptedCorrect Answer: (c) Gambusia fish
Gambusia (mosquitofish) are routinely introduced into wells and ponds because each fish can consume hundreds of mosquito larvae daily, making them an effective eco-friendly larvicide; crabs, dogfish and snails do not serve this purpose. ([drishtiias.com](https://www.drishtiias.com/current-affairs-news-analysis-editorials/news-analysis/20-10-2023/print/manual?utm_source=openai))
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Frequently Asked Questions
What is the correct answer to this UPSC 2008 Environment & Ecology question?▼
The correct answer is option (c): Gambusia fish. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Sustainable Agriculture & Forestry question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 2008, GS Paper 1, as Question 137. It falls under Environment & Ecology > Sustainable Agriculture & Forestry.
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 Sustainable Agriculture & Forestry?▼
UPSC has asked 31 questions from Sustainable Agriculture & Forestry (under Environment & Ecology) across multiple years. Visit the topic page to see the full list and year-wise trends.