With reference to 'Direct Air Capture', an emerging technology, which of the following statements is/are correct?
- I.It can be used as a way of carbon sequestration.
- II.It can be a valuable approach for plastic production and in food processing.
- III.In aviation, it can be a source of carbon for combining with hydrogen to create synthetic low-carbon fuel.
Select the correct answer using the code given below.
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Answer: C. Statement I is correct: Direct Air Capture pulls CO2 straight from the air and the CO2 can be stored deep underground (sequestration). Statement II is correct: captured CO2 can be used as a raw material, e.g. for plastics and in food processing such as carbonating drinks. Statement III is correct: in aviation, captured CO2 can be combined with hydrogen to make synthetic low-carbon jet fuel. So all three are correct.
Watch for: Students think of DAC only as storage and forget that captured CO2 is also a feedstock for products and fuels.
Why the other options are wrong
- A. Wrong: Statement III is also correct.
- B. Wrong: Statements I and II are also correct.
- D. Wrong: all three statements are correct.
Source to check: IEA, 'Direct Air Capture' technology report and tracking page (iea.org).
Answer from the official UPSC key. Written and fact-checked by AI against the official key. Spotted a mistake? Report it.