Units & Measurements
Which SI unit is used for work?
Newton meter
Science One Liner Questions with Answers
Practice exam-ready one liner questions for Science with quick answers for SSC, Railway, Banking and competitive exams.
Total Questions: 316
Units & Measurements
Which instrument is used to measure very small distances accurately?
Screw gauge
Modern Physics
What is a chain reaction in nuclear fission?
A reaction where products initiate further reactions
Modern Physics
What is radioactivity?
Spontaneous emission of radiation from unstable nuclei
Heat
What is the main function of a refrigerator?
To maintain a uniform low temperature
Heat
Why do soft biscuits become crispy when kept in a refrigerator?
Moisture is absorbed from biscuits and taken out in dry form by cold air
Nutrition Questions and Answers
Which vitamin is most directly required for normal blood clotting?
Vitamin K
Nutrition Questions and Answers
Deficiency of which mineral is the most common nutritional cause of anaemia?
Iron
Physics
Which SI unit is used to measure frequency?
Hertz
Physics
Which instrument measures time intervals precisely?
Stopwatch