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 altimeter 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