General Knowledge : Science

General Knowledge : Science

No. Question Answer
01.The theory of relativity was propounded by
Albert Einstein
02.The principal metal used in manufacturing steel is
Iron
03.An alimeter is used for measuring
Altitude
04.Oology is the study of
Birds eggs
05.Radioactivity was discovered by
Henry Bacquerel
06.The metal used in storage batteries is
Lead
07.The instrument used to measure the relative humidity of air is
Hygrometer
08.Barometer was invented by
Torricelli
09.The unit of power is
Watt
10.Radium was discovered by
Marie and Pierrie Curie
11.The existence of isotopes was discovered by
Frederick Soddy
12.Dynamo was invented by
Michael Faraday
13.The nuclear reactor was invented by
Enrico Ferni
14.The law of gravitation was propounded by
Sir Isaac Newton
15.Crescograph was invented by
J.C.Bose
16.Crescograph is used to measure the
Rate of growth of a plant
17.Galileo's first scientific discovery was
Pendulum
18.Microscope was invented by
Aaton Van Leewen Hock
19.The scientist who is known as father of modern biology is
Aristotle
20.The first person to see a cell under microscope was
Robert Hooke
21.The smallest flowering plant is
Worffia
22.The four blood groups were discovered by
Karl Landsteiner
23.Sodium was discovered by
Sir Humphry Davy
24.The atomic number of oxygen is
Eight
25.The basic building blocks of proteins are
Amino acids