BPSC 67th Prelims Exam 08 May 2022 Solved Paper

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Question : 23 of 150

Marks: +1, -0

In the nighttime, it is advised not to sleep under trees because

they liberate less amount of oxygen
they liberate harmful gases at night
they liberate carbon dioxide
they liberate carbon monoxide
None of the above/More than one of the above

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