SCIENCE QUESTIONS FOR COMPETITIVE EXAMS-2(CDS,SSC,BANK,UPSC,GPSC,RAILWAY 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]Who is the first Indian space man?

ANS-Rakesh Sharma.

[2]Who is the Indian space woman?

ANS-Kalpana Chawla.

[3]Who did find X-Ray?

ANS-Wilhelm Roentgen.

[4]What is the full form of BARC?

ANS-Bhabha Atomic Research Centre.

[5]What is the densest liquid in the world?

ANS-Mercury.

[6]What is the speed of sound in air?

ANS-334 m/s.

[7]What is the speed of light in vacuum?

ANS-3,00,000 km/s.

[8]Who is the king of acid?

ANS-Sulphuric acid (H2SO4)

[9]What is the name of laughing gas?

ANS-Nitrous oxide (N2O).

[10]What is the name of crying gas (tear gas)?

ANS-2-chlorobenzalmalononitrile (C10H5CIN2).

[11]What is the name of biggest planet?

ANS-Jupiter.

[12]What is the name of smallest planet?

ANS-Mercury.

[13]Which is the hottest planet?

ANS-Venus.

[14]What is the name of nearest planet to the earth?

ANS-Venus.

[15]What is name of nearest planet to the sun?

ANS-Mercury.

[16]What is the name of the heaviest chemical element?

ANS-Uranium.

[17]What is the name of the lightest chemical element?

ANS-Hydrogen.

[18]Which branch of medicine involving the study of the blood?

ANS-Haematology (hematology).

[19]What is the smallest bone of the human body?

ANS-Stapes.

[20]What is the biggest bone of the human body?

ANS-Thigh bone.

[21]What percentage of water in human body?

ANS-60% to 65%. 

THANKS FOR READING THIS POST.

FOR AN OTHER POSTS-CLICK HERE