Online GK Series

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General Science Objective Questions and Answers for Competitive Exams

21 Alcohol is used as a thermometric liquid when it is desired to measure :
A High temperature
B Very high temperature
C Low temperature
D None of the above

Answer: Option [C]
22 The strata of atmosphere we live in is called:
A Ionosphere
B Stratosphere
C Troposphere
D None of the above

Answer: Option [C]
23 Natural Radio-activity was first discovered by:
A Becquerel
B Rutherford
C Madam Curie
D Einstein

Answer: Option [A]
24 Rutherford is the scientist noted for:
A The invention of the cyclotron
B The first transmutation (Man made)
C The discovery of isotopes
D The invention of the synchrotron

Answer: Option [B]
25 Heart, Brain, Lungs, Spinal Cord, Kidney and Liver are called:
A Vice Organs
B Organs of the human body
C Digestive system
D Vital Organs

Answer: Option [D]


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