General knowledge(GK)/Birth Place MCQs :- multiple choice questions and answers. e.g General knowledge(GK) MCQS,General knowledge(GK) Mock Tests , General knowledge(GK) Practice Papers ,General knowledge(GK) Sample Test,General knowledge(GK) Sample questions

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Question 1: Carbon dioxide is called green-house gas because it is

Transparent to sunlight but traps heat

Transparent to heat but traps sunlight

Used in green-house to increase plant growth

Transparent to both sunlight and heat

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