Competitive Exams General Knowledge Questions and Answers on Science | GkSeries

Questions

56 The idea that hospitals should be very clean was suggested by:

A Lister

B Leeuvenhock

C Hooke

D Mendel

Answer: Option [A]

57 Sound waves above 20,000 Hz are called:

A Overtones

B Infrasonic

C Supersonic

D None of these

Answer: Option [C]

58 Atom bomb is based on the principle of:

A Nuclear fusion

B Nuclear fission

C Radioactivity

D Nuclear fusion and fission both

Answer: Option [B]

59 Stainless steel is an alloy of steel and:

A Strauntium

B Copper

C Platinum

D Chromium

Answer: Option [D]

60 The colour discharge tube for advertisement mainly contains:

A Xenon

B Argon

C Neon

D Helium

Answer: Option [C]