SCIENCE QUESTIONS FOR COMPETITIVE EXAMS(CDS,SSC,UPSC,GPSC etc.)

Hello friends, today we are going to learn some science questions for competitive exams and I hope you would like this stuff. If you like this post then please don’t forget to share with your friends.

[1]Which body part stay the same size from birth to death?

ANS-Cornea of eye.

[2]Which parts of the human body keep growing throughout life?

ANS-Ears and nose.

[3]What is the meaning of “G” in 4G, 3G and 2G?

ANS-Generation.

[4]Who did world’s first heart transplant?

ANS-Christiaan barnard.

[5]On which principle does washing machine works?

ANS-Centrifugation.

[6]What is the name of scientist who discover an explosive material called “RDX”?

ANS-Georg Friedrich Henning.

[7]How does the sky look from the moon?

ANS-Black.

[8]What is the name of dry ice?

ANS-Solid carbon dioxide (CO2).

[9]What is full form of LED?

ANS-Light emitting diode.

[10]Who did find polio vaccine?

ANS-Jonas Edward Salk.

[11]Which material is used to make IC (integrated circuit)?

ANS-Silicon.

[12]What is the protein in the hair?

ANS-Keratin.

[13]What is the machine used to measure the rainfall?

ANS-Udometer.

[14]What is the machine used to measure earthquake?

ANS-Seismometer.

[15]What is the machine used to measure blood pressure?

ANS-Sphygmomanometer.

[16]Normally, how much blood in healthy human body?

ANS-5.7 liters.

[17]Who did fond blood group?

ANS-Karl Landsteiner.

[18]Who discover airplane?

ANS-Wright brothers (17 December, 1903).

[19]Which gas is used in airplane tires?

ANS-Nitrogen.

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