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UPSC 2018: Which of the following statements best describes "carbon fertilization"?
(a)Increased plant growth due to increased concentration of carbon dioxide in the atmosphere
(b)Increased temperature of Earth due to increased concentration of carbon dioxide in the atmosphere
(c)Increased acidity of oceans as a result of increased concentration of carbon dioxide in the atmosphere
(d)Adaptation of all living beings on Earth to the climate change brought about by increased concentration of carbon dioxide in the atmosphere
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Not attemptedCorrect Answer: (a) Increased plant growth due to increased concentration of carbon dioxide in the atmosphere
The term “carbon fertilization” (or CO₂-fertilization effect) refers to the stimulation of photosynthesis and biomass production in plants when atmospheric CO₂ concentration rises; hence the best description is ‘increased plant growth due to higher CO₂’. It is not about temperature rise (greenhouse effect), ocean acidification, or universal biological adaptation. ([en.wikipedia.org](https://en.wikipedia.org/wiki/CO2_fertilization_effect?utm_source=openai))
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Frequently Asked Questions
What is the correct answer to this UPSC 2018 Environment & Ecology question?▼
The correct answer is option (a): Increased plant growth due to increased concentration of carbon dioxide in the atmosphere. 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 2018, GS Paper 1, as Question 65. 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.