NCERT Class 10/MCQ Questions for Class 10 Science Chapter 1 Chemical Reactions and Equations MCQs :- multiple choice questions and answers. e.g NCERT Class 10 MCQS,NCERT Class 10 Mock Tests , NCERT Class 10 Practice Papers ,NCERT Class 10 Sample Test,NCERT Class 10 Sample questions

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Question 1: The directories of /sys directory

are created at system startup when the subsystems register themselves with kobject core

are created when any device is connects with the system

are created at the time of kernel compilation

none of the mentioned

Total MCQS Questions are 50 in this paper MCQ Questions for Class 10 Science Chapter 1 Chemical Reactions and Equations
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