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UPSC 2021: What is blue carbon?
(a)Carbon captured by oceans and coastal ecosystems
(b)Carbon sequestered in forest biomass and agricultural soils
(c)Carbon contained in petroleum and natural gas
(d)Carbon present in atmosphere
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Not attemptedCorrect Answer: (a) Carbon captured by oceans and coastal ecosystems
‘Blue carbon’ refers to carbon captured and stored by marine and coastal ecosystems such as mangroves, seagrass meadows and salt-marshes; it is distinct from terrestrial biomass, fossil fuels or atmospheric CO₂ itself. ([unep.org](https://www.unep.org/explore-topics/oceans-seas/what-we-do/protecting-restoring-blue-carbon-ecosystems?utm_source=openai))
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Frequently Asked Questions
What is the correct answer to this UPSC 2021 Environment & Ecology question?▼
The correct answer is option (a): Carbon captured by oceans and coastal ecosystems. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Climate Change & Greenhouse Gases question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 2021, GS Paper 1, as Question 19. It falls under Environment & Ecology > Climate Change & Greenhouse Gases.
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 Climate Change & Greenhouse Gases?▼
UPSC has asked 34 questions from Climate Change & Greenhouse Gases (under Environment & Ecology) across multiple years. Visit the topic page to see the full list and year-wise trends.