Science GK
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’sfirst 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
|
26
|
The botanical name of the cotton plant is
|
Gossipium Hirsutum
|
27
|
An Electroscope is used to
|
Detect charges on a body
|
28
|
The unit of loudness is
|
Phon
|
29
|
An ammeter is used to measure
|
Electric current
|
30
|
Plant that eat insects are called
|
Insectivorous plants
|
31
|
Fruits that are formed without fertilization are called
|
Parthenocarpic
|
32
|
Plants that flower only once in their lifetime are called
|
Mono carpic
|
33
|
The botanical name for rice is
|
Oryza Sativa
|
34
|
Penicillin is obtained from
|
Mould
|
35
|
The largest tree in the world is
|
Seguoia Gigantica
|
36
|
Herpetology is the study of
|
Reptiles
|
37
|
Entomology is the study of
|
Insects
|
38
|
Ornithology is the study of
|
Birds
|
39
|
Ichtyology is the study of
|
Fishes
|
40
|
Osteology is the study of
|
Bones
|
41
|
The botanical name for brinjal is
|
Solanum melongenal
|
42
|
The botanical name for onion is
|
Allium Cepa
|
43
|
The study of sound is called
|
Acoustics
|
44
|
The study of heavenly bodies is called
|
Astronomy
|
45
|
The study of tissues is called
|
Histology
|
46
|
Electric Lamp was invented by
|
Thomas alva Edison
|
47
|
The fear of crowd is called
|
Ochlophobia
|
48
|
The fear of books is called
|
Bibliophobia
|
49
|
The fear of going to bed is called
|
Clinophobia
|
50
|
The symbol of gold is
|
Au
|
51
|
The symbol of sodium is
|
Na
|
52
|
The symbol of Sr stands for
|
Strontium
|
53
|
The symbol Rb stands for
|
Rubidium
|
54
|
The symbol Md stands for
|
Mendelevium
|
55
|
Calcium sulphate is commonly called
|
Plaster of Paris
|
56
|
Sodium carbonate is commonly called
|
Washing Soda
|
57
|
Sodium chloride is commonly known as
|
Common Salt
|
58
|
The chemical name of Chloroform is
|
Trichloromethane
|
59
|
The chemical name of baking powder is
|
Sodium bicarbonate
|
60
|
The chemical name of bleaching powder is
|
Calcium hypochlorite
|
61
|
The formula HCL stands for
|
Hydrochloric Acid
|
62
|
The formula H2SO4 stands for
|
Sulphuric Acid
|
63
|
The formula CHCI3 stands for
|
Trichloromethane
|
64
|
The formula H2O2 stands for
|
Hydrogen peroxide
|
65
|
A fungus which can only survive on other living organisms is called
|
Obligate Parasite
|
66
|
A plant which lives in the dark is called
|
Scotophyte
|
67
|
A plant adapted to live in dry places is called a
|
Xerophyte
|
68
|
A plant adapted for growth in water is called a
|
Hydrophyte
|
69
|
Bifocal lens was invented by
|
Benjamin Franklin
|
70
|
Cement was invented by
|
Joseph Aspdin
|
71
|
Laser was invented by
|
Dr.Charles H.Townes
|
72
|
Electromagnet was invented by
|
William Sturgeon
|
73
|
Rayon was invented by
|
Sir Joseph Swann
|
74
|
Thermostat is an instrument used for regulating
|
Constant temperature
|
75
|
The science of organic forms and structures is known as
|
Morphology
|
76
|
Phycology is the study of
|
Algae
|
77
|
Tata Institute of Fundamental Research was established in
|
1945
|
78
|
CSIR stands for
|
Council of Scientific and Industrial Research
|
79
|
ISRO stands for
|
Indian Space Research Organisation
|
80
|
The first human being to land on moon was
|
Neil Armstrong
|
81
|
The first Indian in space was
|
Rakesh Sharma
|
82
|
ISAC stands for
|
ISRO Satellite Centre
|
83
|
VSSC stands for
|
Vikram Sarabhai space Centre
|
84
|
The headquarters of ISRO is located at
|
Bangalore
|
85
|
VSSC is located at
|
Thiruvananthapuram
|
86
|
ISAC is located at
|
Bangalore
|
87
|
National Science Centre is located at
|
New Delhi
|
88
|
Central Tobacco Research Institute is located at
|
Rajahmundry
|
89
|
Indian Institute of Horticultural Research is located at
|
Bangalore
|
90
|
The Atomic Energy Commission was set up in
|
August 1948
|
91
|
The first IndianSatellite was
|
Aryabhatta
|
92
|
The first Indian Satellite was launched in the year
|
1975
|
93
|
ASLV stands for
|
Augmented Satellite Launch Vehicle
|
94
|
INSAT stands for
|
Indian National Satellite
|
95
|
The fear of women is known as
|
Gynophobia
|
96
|
The fear of men is known as
|
Androphobia
|
97
|
The scientist who developed the Quantum theory was
|
Max Plonck
|
98
|
The steam engine was invented by
|
James Watt
|
99
|
The botanical name of tea is
|
Camellia Sinensis
|
100
|
Logarithms were devised by
|
John Napier
|
101
|
The acid used in a car battery is
|
Sulphuric acid
|
102
|
The system for writing by blind people was invented by
|
Louis Braille
|
103
|
The parachute was used for the first time by
|
J.P.Blanchard
|
104
|
The German physicit who first demonstrated the existence of Radio waves was
|
Henrich Hertz
|
105
|
The instrument that records the intensity of earthquakes is
|
Seismograph
|
106
|
The laws of floating bodies was discovered by
|
Archimedes
|
107
|
The density of milk is measured by a
|
Lactometer
|
108
|
Fountain pen was invented by
|
L.E.Waterman
|
109
|
The instrument used to measure the pressure of gases is the
|
Monometer
|
110
|
Bhaskara I was a famous
|
Astronomer
|
111
|
The first atomic power station established in India was the
|
Tarapore Atomic Power Station
|
112
|
The role of heredity was demonstrated by
|
Mendel
|
113
|
The instrument used to measure the concentration of salt water is the
|
Salinometer
|
114
|
Spectroscopy is the study of
|
Anders John Angstrom
|
115
|
Dactylography is the study of
|
Finger Prints
|
116
|
A tangent galvanometer is used to study the
|
Strength of direct current
|
117
|
The fruit of Oak is called
|
Acron
|
118
|
ZETA stands for
|
Zero Energy Thermonuclear Assembly
|
119
|
The formula C6H5OH stands for
|
Phenol
|
120
|
Michael Faraday worked as an assistant under another scientist whose name was
|
Sir Humphry Davy
|
121
|
Vulcanised rubber was invented by
|
Charles Goodyear
|
122
|
The symbol Zn stands for
|
Zinc
|
123
|
The symbol He stands for
|
Helium
|
124
|
Celluloid was invented by
|
A.Parker
|
125
|
Glider was invented by
|
Sir George Caley
|
126
|
Safety matches was invented by
|
J.E.Lundstrom
|
127
|
Radio valve was invented by
|
Sir J.A.Fleming
|
128
|
Space Applications Centre is located at
|
Ahmedabad
|
129
|
Atomic Energy Commission is located at
|
Mumbai
|
130
|
Dynamics is the study of
|
Movements of bodies
|
131
|
Statics is the study of
|
Forces acting on bodies at rest
|
132
|
Mechanics is the study of
|
Forces acting on bodies
|
133
|
Zoology is the study of
|
Animal life
|
134
|
Botany is the study of
|
Plant life
|
135
|
Psychology is the study of
|
Human mind
|
136
|
The first American to orbit earth was
|
John H.Glen
|
137
|
The electro-cardiograph was invented by
|
William Einthoven
|
138
|
The molecular formula of cane sugar is
|
C12H22O11
|
139
|
A compound which contains only hydrogen and Carbon is called a
|
Hydrocarbon
|
140
|
The liquid used to preserve specimens of plans and animals is
|
Formalin
|
141
|
The law of segregaton was propounded by
|
Mendel
|
142
|
Auriscope is used to detect
|
Ear disorders
|
143
|
The three states of matter are
|
Solid,liquid and gas
|
144
|
The scientific name for blood platelets is
|
Thrombocytes
|
145
|
The response of a plant to heat is called
|
Thermotropism
|
146
|
The response of a plant to touch is called
|
Trigmotropism
|
147
|
The symbol Zr stands for
|
Zirconium
|
148
|
Nickel was discovered by
|
Cronstledt
|
149
|
Manganese was discovered by
|
Gahn
|
150
|
The common name for pottasium carbonate is
|
Potash
|
151
|
Bismuth was discovered by
|
Valentine
|
152
|
The biggest plant seed is
|
Cocodemer
|
153
|
Toxicology is the study of
|
Poisons
|
154
|
Virology is the study of
|
Viruses
|
155
|
Paleontology is the study of
|
Fossils
|
156
|
Calorimeter is used to measure
|
Quantity of heat
|
157
|
Chronometer was invented by
|
John Harrison
|
158
|
Stethoscope was invented by
|
William Stockes
|
159
|
Spinning frame was invented by
|
Sir Richard Arkwright
|
160
|
Al stands for
|
Aluminium
|
161
|
Gd stands for
|
Gadolinium
|
162
|
Ir stands for
|
Iridium
|
163
|
Bi stands for
|
Bismuth
|
164
|
The Chemical formula of sodium bicarbonate is
|
NaHCO3
|
165
|
The chemical formula of common salt is
|
Nacl
|
166
|
The chemical formula of washing soda is
|
Na2CO3,IOH2O
|
167
|
The chemical formula of lime soda is
|
CaCO3
|
168
|
The chemical formula of chloroform is
|
CHcl3
|
169
|
The study of grasses is known as
|
Agrostology
|
170
|
The study of antiquities is known as
|
Archaeology
|
171
|
The study of the duration of life is known as
|
Chronobiology
|
172
|
The study of bacteria is known as
|
Bacteriology
|
173
|
Nylon was invented by
|
Dr.Wallace H.Carothers
|
174
|
Electric razor was invented by
|
Jacob Schick
|
175
|
The symbol of silver is
|
Ag
|
176
|
The symbol of silicon is
|
Si
|
177
|
The symbol of titanium is
|
Ti
|
178
|
Calcium oxide is commonly known as
|
Quick lime
|
179
|
A deviation of light passing from one medium to another is known as
|
Refraction
|
180
|
An apparatus for generation of atomic energy is called a
|
Reactor
|
181
|
A machine used for converting mechanical energy into electrical energy is called a
|
Generator
|
182
|
The first Indian woman in space was
|
Kalpana Chawla
|
183
|
The revolver was invented by
|
Samuel Colt
|
184
|
The refrigerator was invented by
|
J.Perkins
|
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