Online GK Series

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General Science GK Multiple Choice Questions and Answers for Job Related Exams

106 The substance that hardens when mixed with water is:
A Red lead
B Gypsam salt
C Epsom salt
D Plaster of Paris

Answer: Option [D]
107 An instrument for maintaining constant temperature by the use of a device which supplies heat at required temperature is known as :
A Radar
B Rocket
C Thermostat
D None of the above

Answer: Option [C]
108 A thick glass tumbler cracks when hot water is poured into it. Why ?
A Due to pressure exerted by hot liquid
B On account of difference of temperature between the liquid and the atmosphere
C Because of uneven expansion of the inner and outer walls of the tumbler with hot water
D None of the above

Answer: Option [C]
109 Which vitamin is essentail for the formation of blood ?
A B12
B B6
C B2
D B1

Answer: Option [A]
110 The disease caused by bacteria is :
A Common cold
B Tetanus
C Polio
D Ringworm

Answer: Option [B]


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