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Consider the following statements : (i) Dark oxygen was discovered in 2013 by Andrew Sweetman while conducting ship-based fieldwork in the Pacific Ocean. (ii) Dark oxygen was discovered in 2013 by Andrew Sweetman while conducting research on dusty plasma in cometary tails. (iii) Dark oxygen refers to molecular oxygen that is produced in the total darkness of the very deep ocean. (iv) Dark oxygen refers to the medical oxygen cylinders, which are sold in the black market. Which of the above statements is/are correct?
Correct Answer: (d)
UnverifiedNo official key was published for this paper. This answer is awaiting faculty review: treat it with caution.
This question appeared in the APSC Prelims 2024 examination (GS). It is Question 56 out of 178 questions in this paper.
This question was part of the APSC Prelims 2024 (GS). The APSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all APSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.