General Science :
1.
The temperature at which all
substances have zero thermal energy - 273 degree celcious.
2.
Any substance which when added to a
reaction, alters the rate of the reaction but remains chemically unchanged at
the end of the process is called - Catalyst.
3.
The study of the inter-relations of
animals and plants with their environment is called-Ecology.
4.
Study of insects is called-Entomology.
5.
A unit used to express the focal
power of optical lenses-Dioptre.
6.
The velocity that a body with less
mass must achieve in order to escape from the gravitational attraction of a
more massive body is called-Escape Velocity.
7.
Laughing gas is chemically known as-
Nitrous Oxide.
8.
The blood vessels carrying blood from
the heart to various parts of the body is called-Artery.
9.
The distance travelled by light in
one year is called - Light year.
10.
An organism which derives its
nourishment from another living organism is called-Parasite.
11.
Newton's which law states that the
rate of change of momentum of a body is directly proportional to the force
applied and takes place in the direction in which the force act -Newton's
second law of motion.
12.
Which is the world's first man-made
satellite-Sputnik-I.(4 oct 1957)
13.
Which planet is the brightest of all
the planets-Venus.
14. Small pieces of solid matter which are found scattered
in the inter-planetary space of the solar system are known as-Meteoroids.
15.
The largest gland in the body which
is dark red in colour is- Liver.
16.
Inadequate secretion of Insulin
hormone causes which disease -Diabetes.
17.
Common cold, Influenza, Chickenpox
and Measles are caused due to the attack of Virus or Bacteria - Virus.
18.
In which atmospheric layer are the
communication satellite located- Ionosphere.
19.
The scientific principle behind
'Fibre Optics' is – Total internal reflection of light.
20.
Ginger is a stem and not a root, True
or False - True (because it has nodes and Internodes).
21. When we wind a watch which energy is stored - Potential
Energy.
22.
On which phenomena the process of
Dialysis used on patient with affected kidneys is Based - Osmosis.
23.
When a piece of ice floating in a
beaker of water melts, the level of water will rise or fall-Remains the
same.
24.
Energy stored in a dry cell is - Chemical
energy.
25.
When a cricketer lowers his hand
while catching the ball, it saves him from injury due to - Conservation of
momentum.
26.
Full form of AIDS is - Acquired
Immune Deficiency Syndrome.
27. Chemical technology dealing with the conversion of
base metals into gold is - Alchemy.
28.
Subtances produced by micro-organism
that kill or prevent growth of other micro-organism is called - Antibiotics.
29.
Substances which react with acids to
form salts is called - Base.
30.
The ancient oriental art of growing
trees in dwarf form is called - Bonsai.
31.
What is the unit of heat - Calorie.
32.
The ability of a body to resist
tension or compression and to recover its original shape and size when the
stress is removed is called - Elasticity.
33.
The negatively charged particles
which revolve around the nucleus of the atom in certain orbits is called - Electron.
34.
The branch of biology dealing with
study of Heredity is - Genetics.
35.
Kwashiorkor is caused due to the
deficiency of - Protein.
36.
Optical illusion often witnessed in
deserts when the objects on the surface of the earth at
37.
The branch of science which deals
with study of nature and properties of light is called- Optics.
38.
The scale used to measure the
magnitudes of earthquakes is called - Richter scale.
39.
The heat required to raise the
temperature of 1 kg of a substance through one degree celcius is called - Specific
heat.
40.
The speed greater than the speed of
sound is called- Supersonic speed.
41.
Volatile substance that incapacitates
for a time by powerfully irritating the eyes, provoking tears is called - Tear
gas.
42.
Who is the inventor of Dynamite - Alfred
B. Nobel.
43.
Who discovered life in plants - Jagadish
Chandra Bose.
44.
The unit used to measure loudness of
sound is - Decibel.
45.
The smallest part of an element that
can take part in a chemical reaction is called - Atom.
46.
Substances used for destroying or
stopping growth of micro-organisms in living tissue is Called -Antiseptic.
47.
Water that does not form lather with
soap easily is called - Hard water.
48.
The lines drawn on maps joining the
places having same barometric pressure is called -Isobars.
49.
Lymph differs from blood in not
having - Red Blood Corpuscles.
50.
Universal receivers can receive blood
from - Groups O, A, B and AB
51.
Study of Grass is called - Agrostology.
52.
Study of Tumor is called - Oncology.
53. Which physical property will be unaffected with
increase in quantity - Density.
54.
Oil spreads over the surface of water
because - Oil has less surface tension than water.
55.
In high mountaneous regions bleeding
through nose occurs because - The pressure of the blood in the capillaries
is higher than the outside air pressure.
56.
Why does a man weigh more at the
poles than at the equator - Gravitational pull is more at the poles.
57.
A gas will behave as an ideal gas at
- At very low pressure and high temperature.
58.
Oology is the branch of science
dealing with the study of -Birds egg.
59.
Why does a drop of liquid assume a
spherical shape - Because a sphere has the least surface tension
60.
When cream is separated from milk the
density of milk increases or decreases-Increases
61.
Diamond is harder than Graphite due
to difference of - Crystalline structure.
62.
Which combination of colours is the
most convenient during day and night time-- Red and Green
63.
An element which does not react with
oxygen is - Helium
64.
An instrument that measures and
records the relative humidity of air is - Hygrometer
65.
The different colours of different
stars are due to the variation of- Temperature
66.
Which is left when an hydrogen atom
loses its electron - A proton
67.
The fundamental scientific principle
in the operation of a battery is - Oxidation-reduction
68.
Which metal is used to galvanise iron
- Zinc
69.
The instrument used to measure the
force and velocity of the wind is- Anemometer
70.
Edward Jenner is associated with - Small
Pox
71.
The scientist who explained about
blood circulation for the first time was - William Harvey
72.
Nitroglycerine is used as - An
explosive
73.
Solar Energy is due to the process of
- Fusion reactions
74.
In a dry cell battery which are used
as electrolytes - Ammonium Chloride and Zinc Chloride
75.
Permanent Research Station of India,
Dakshin Gangotri is located at - Antarctica
76.
Which types of waves are used in a
night vision apparatus - Infrared waves
77.
In order to stay over the same spot
on the earth, a geostationary satellite has to be directly Above - The
Equator
78.
Water is used to cool the engines of
cars, buses, trucks, etc. It is because water has-High specific heat
79.
Due to contract of eyeball, a
long-sighted eye can only see farther objects which is corrected by using - Convex
lens
80. Rainwater collected after 30 to 40 minutes of raining
is not suitable for drinking because it is - Acidic
81.
The refining of petroleum is done by
the process of - Fractional Distillation Physical quantities which are
completely described by a magnitude (size) alone are known as - Scalar
quantities
82.
Study of the abundance and reactions
of chemical elements and molecules in the universe, and their interaction with
radiation is called - Astrochemistry
83.
Birbal Sahni Institute of
Palaeobotany is located at - Lucknow, Uttar Pradesh
84.
Organelles which is known as the
power house of the cells - Mitochondria
85.
Photosynthesis takes place maximum in
red colour and minimum in - Violet colour
86.
Other name of White Blood Cells is - Leukocytes
87.
Other name of Red Blood Cells is - Erythrocytes
88.
Which antiseptic compound is present
in Dettol – Chloroxylenol
89.
What is a compound that is a white
solid which absorbs water vapour from the air – Calcium chloride
90.
To which product of equivalent weight
and valency of an element is equal – Atomic weight
91.
Which element forms the highest
number of compounds in the periodic table – Silicon
92.
How does addition of ethylene
dibromide help to petrol – Elimination of lead oxide
93.
What do we call the process of
separation of pure water from impurities – Distillation
94.
What is the name of gas which is
present in both the natural gas and the biogas – Methane
95.
Of which alloy the commonly used
safety fuse-wire is made – Alloy of Tin and Lead
96.
What is alcohol obtained in the
saponification process – Glycerol
97.
Which is used to dilute oxygen in the
gas cylinders used by divers – Helium
98.
What do cathode rays case when
obstructed by metal –emission of X-rays
99.
With which liqued is anomalous
expansion associated – Water
100.
What is a tick paste of cement, sand
and water called – Mortar
101.
Ethanol containing 5% water By which
name is it known – Rectified spirit
102.
Of which Container radioactive materials
should be kept – Pb
103.
Which is not an anesthetic agent in
surgical operations – Acetone
104.
What is the percentage of Nitrogen,
present in ammonium sulphate – 21%
105.
Which is the nuclear particle having
no mass and no charge, but only spin – Neutrino
106. The pH of fresh milk is 6. When it turns sour, what
will be the pH – Less than 6
107.
How must have metals used to make
wires for safety fuses– Low resistivity and low melting point
108.
Sodium stearate is a salt and how is
it used – To make soap
109.
Which are the two main constituents
of granite– Iron and silica
110.
Which method of water purification
does not kill microorganism – Filtration
111.
Which gase is supporter of combustion
– Oxygen
112.
By which was the presence of Cobalt.
in Vitamin B-12 established for the first time – Borax-Bead test
113.
Which metal can deposit copper from
copper sulphate solution – Iron
114.
Which group of gases contribute to
the "Green House effect" – Carbon dioxide and Methane
115.
On heating, Gypsum loses certain
percentage of its water content and what does it become – Plaster of Paris
116. A liquid initially contracts when cooled down to 4
degree Celsius but on further cooling down to zero degree Celsius, it expands.
What is the name of liquid – Water
117.
Under which category Magnetic,
electrostatic and gravitational forces come – Non-contact forces
118.
No matter how far you stand from a
mirror, your image appears erect, How is the mirror likely to be – Either
plane or convex
119.
Due to which Phenomenon are advanced
sunrise and delayed sunset found in the sky – Refraction of sunlight
120.
Due to which Phenomenon is the
formation of colours in soap bubbles – Interference of light
121.
On which principle a pressure cooker
works – Elevation of boiling point of water by application of pressure
122. Why does pressure of a gas increases due to increase
of its temperature– Kinetic energies of die gas molecules are higher
123.
By which Newton’s may the weight of
an object be assigned– Laws of gravitation
124.
With which field is a current
carrying conductor associated – A magnetic field
125.
On which the linear expansion of a
solid rod is independent – On its time of heat flow
126.
Which doesn't have any effect on
velocity of sound – Pressure
127.
Why does white light into its
components – Due to dispersion
128.
What type of lenses are used in movie
projectors – Convex
129.
During which radioactivity radiation
is not emitted – Cathode rays
130.
An object is undergoing a
non-accelerated motion. What is Its rate of change in momentum – Zero
131.
A particle is moving freely. Then
its– kinetic energy is always greater than zero
132.
If an object undergoes a uniform
circular motion, then What will be– Its velocity changes
133.
In how many hours does geostationary
satellite complete its one revolution around the earth – 24 hours
134.
MCB, which cuts off the electricity
supply in case of short-circuiting, on which effect does it work – Magnetic
effect of current
135.
A motor vehicle is moving in a circle
with a uniform speed. Where will be the net acceleration of the vehicle – towards
the centre of circle
136.
Which property of a proton may change
while it moves freely in a magnetic field – Velocity
137.
During sunrise and sunset, why does
sun appears reddish-orange – Reddish-orange light is least scattered by the
atmosphere
138.
Why are ball bearings used in
bicycles, cars, etc – The effective area of contact between the wheel and
axle is reduced
139.
By which Signal a television channel
is characterised – Frequency of transmitted signal
140.
What is a good conductor while
carrying current – Electrically neutral
141.
What is the device used for measuring
the wavelength of X-rays – Bragg Spectrometer
142.
Which is responsible for the working
of Newton's colour disc experiment – Persistence of vision
143.
Who is the founder, of quantum theory
of radiation – Plank
144.
What is Photon – The fundamental
unit/quantum of Light
145. When does a liquid disturbed by stirring come to rest
– Due to Viscosity
No comments:
Post a Comment