Everyday Science MCQs -1 - PAK QUIZ



Everyday Science Mcqs


Everyday Science Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.


 


1. As we climb up the mountain, the atmospheric pressure will
(a) Decrease
(b) Increase
(c) Remain the same
(d) None of these


 


2. Who invented the thermometer
(a) Galileo
(b) Franklin
(c) Edison
(d) Bell


 


3. What is “Greenhouse Effect”
(a) Pollution in houses in tropical regions
(b) Trapping of solar energy due to atmospheric oxygen
(c) Trapping of Solar energy due to atmospheric carbon dioxide
(d) Cultivation in greenhouses so as to check pollution


 


4. The surface temperature of the Sun is nearly
(a) 2000 K
(b) 6000 K
(c) 8000 K
(d) 4000 K


 


5. What stored energy is commonly called
(a) Potential energy
(b) Kinetic energy
(c) Chemical energy
(d) Radiant energy


 


6. The first stethoscope was made of
(a) Rubber
(b) Gold
(c) Wood
(d) Steel


 


7. What is NOT a greenhouse gas
(a) Carbon dioxide
(b) Nitrogen
(c) Methane
(d) Ozone


 


8. Who developed the first blood bank and a system for storing blood plasma
(a) Lee Deforest
(b) Charles Drew
(c) Robert Dennard
(d) Joseph Dart


 


9. The unit for measuring intensity of Noise is called
(a) Knot
(b) Calorie
(c) Ohm
(d) Decibel


 


10. Who invented disposable-diapers
(a) Sarah Boone
(b) Rachel Brown
(c) Marion Donovan
(d) Mary Anderson


 


11. Which of the following is found in plant cells but not animal cells
(a) Cytoplasm
(b) Cell Wall
(c) Mitochondria
(d) Ribosomes


 


12. Which of the followings is used common in storage batteries
(a) Copper
(b) Mercury
(c) Lead
(d) Silicon


 


13. How many teeth Adults have
(a) 22
(b) 36
(c) 32
(d) 28


 


14. Most of the ozone in the atmosphere is concentrated in the
(a) Mesosphere
(b) Troposphere
(c) Stratosphere
(d) Ionosphere


 


15. Name of scientist who first declared that the earth revolves around the sun
(a) Newton
(b) Galileo
(c) Copernicus
(d) None of these


 


16. The working of a rocket is based on the principle of
(a) Newton’s law
(b) Flux meter
(c) Flux Rule
(d) Boyle Law


 


17. Which of the following is not a natural polymer
(a) Cellulose
(b) Plastic
(c) Rubber
(d) Silk


 


18. Pure gold is
(a) 17 carat
(b) 20 carat
(c) 24 carat
(d) 36 carat


 


19. Which law is involved in the act of cleaning a carpet by beating it with a stick
(a) First law of motion
(b) Second law of motion
(c) Law of conservation of energy
(d) Law of conservation of mass


 


20. The sky is blue in color because of
(a) The moisture present in the air
(b) The scattering of light by dust particles or air molecules
(c) Combination of various lights producing blue colour
(d) All of the above







Everyday Science Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.


 


21. What color of visible light is the longest in wavelength
(a) Violet
(b) Blue
(c) Red
(d) Green


 


22. The ink of the pen leaks out in an aero-plane because
(a) Atmospheric pressure increases
(b) Pressure of ink inside is more than the ambient pressure
(c) High speed of aeroplane
(d) Temperature difference


 


23. The gases which are used by divers as an artificial atmosphere are helium and
(a) Nitrogen
(b) Oxygen
(c) Carbon monoxide
(d) Neon


 


24. Oil rises up the wick in a lamp. The principle involves
(a) The diffusion of oil though the wick
(b) The liquid state of oil
(c) Capillary action phenomenon
(d) Volatility of oil


 


25. Magnetic field is measured by
(a) Flux meter
(b) Newton’s law
(c) Boyle Law
(d) Flux Rule


 


26. Acid rain contains high levels of
(a) Oxalic acid,
(b) Acetic acid
(c) Sulphuric and nitric acids
(d) Carbolic acid


 


27. Which is the largest cell in the human body
(a) Nerve cell
(b) Muscle cell
(c) Liver cell
(d) Kidney cell


 


28. Which gas is used in the preparation of soft drinks
(a) Carbon dioxide
(b) Oxygen
(c) Nitrogen
(d) Halogens


 


29. Plaster of Paris is made from
(a) Gypsum
(b) Iron
(c) Aluminum
(d) Plastics


 


30. What do you call the positive electrode of an electric cell
(a) Diode
(b) Anode
(c) Grid
(d) Cathode


 


31. Who invented the first stethoscope
(a) Lewis Latimer
(b) Rene Laennec
(c) Robert Ledley
(d) Irving Langmuir


 


32. What part of the stamen of a flower bears the pollen grains
(a) Filament
(b) ovary
(c) anthurium
(d) anther


 


33. Which of the following takes place due to surface tension
(a) Gravitational pull
(b) Capillary action
(c) Viscosity
(d) Radiation


 


34. Plutonium is used as
(a) Fuel for nuclear fission
(b) Fuel for nuclear fusion
(c) Source of chemical energy
(d) Source of light energy


 


35. What is white light made from
(a) very small water droplets
(b) intense blue light
(c) just that, white light
(d) a mixture of many other light colors


 


36. What do you call the negative electrode of an electric cell
(a) Diode
(b) Anode
(c) Grid
(d) Cathode


 


37. Law of floating bodies was given by
(a) Archimedes
(b) Galileo
(c) Copernicus
(d) Plotly


 


38. Which acid is used in a car battery
(a) Hydrochloric acid
(b) Carbonic acid
(c) Sulphuric acid
(d) Nitric acid


 


39. There is no neutron in the atom of
(a) Carbon
(b) Nitrogen
(c) Hydrogen
(d) Ozone


 


40. What do letters CT stand for
(a) Computer tomes
(b) Computerized tomography
(c) Cranial test
(d) Cribriform time







Everyday Science Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.


 


41. What is the only element that burns with nitrogen
(a) Fluorine
(b) Titanium
(c) Antimony
(d) Manganese


 


42. What is the meaning of the term ‘Myopia’
(a) Photosensitive
(b) Long-sighted
(c) Short-sighted
(d) Tunnel-vision


 


43. What is the heaviest metallic element
(a) Lead
(b) uranium
(c) osmium
(d) iridium


 


44. What organelle is known as the ‘brain’ of the cell
(a) Nucleus
(b) Mitochondria
(c) Chloroplast
(d) Cell membrane


 


45. One horsepower is equal to
(a) 736 watts
(b) 746 watts
(c) 748 watts
(d) 756 watts


 


46. Greenhouse effect is due to increase in
(a) Atmospheric CO2 levels
(b) Atmospheric S02 levels
(c) Soil organic content
(d) Soil nitrogen


 


47. Photosynthesis involves
(a) Reduction of CO2 and oxidation of water
(b) Oxidation of H2O and release of O2
(c) Reduction of CO2, oxidation H2O and release of O2
(d) Reduction of CO2, oxidation of H2O and release of O2


 


48. What color of visible light is the shortest in wavelength
(a) Violet
(b) Blue
(c) Red
(d) Green


 


49. The lenses which is used in photography is
(a) Convex lenses
(b) Plastic lenses
(c) Concave lenses
(d) None of these


 


50. Which one of the following elements is extensively used in electronics
(a) Zirconium
(b) Silicon
(c) Selenium
(d) Sodium


 


51. An electric bulb produces loud sound when broken because
(a) Air rushes into the partial vacuum in the bulb
(b) The gas inside it explodes
(c) The glass is brittle
(d) The gas inside it suddenly expands


 


52. What is the chief symptom of the visual disorder known as diplopia
(a) Double vision
(b) Blindness
(c) Seeing red spots
(d) Tired eyes


 


53. Which is the rarest element in world
(a) Astatine
(b) Uranium
(c) Thorium
(d) Radium


 


54. Which of the following is the most toxic gas
(a) Carbon dioxide
(b) Carbon monoxide
(c) Nitrogen dioxide
(d) Carbon & Nitrogen


 


55. The minimum volume of water is at a temperature of —-degree Celsius
(a) 4
(b) 5
(c) 6
(d) 7


 


56. Convex lenses are used for the correction of
(a) Long-sightedness
(b) Short-sightedness
(c) Cataract
(d) None of these


 


57. Filtration of wastes from the blood in human body is done by
(a) Kidney
(b) Lungs
(c) Heart
(d) Brain


 


58. How many yards make a furlong
(a) 220
(b) 440
(c) 100
(d) 200


 


59. Fat is digested in which part of body
(a) Small intestine
(b) Mouth
(c) Large intestine
(d) Spleen


 


60. The gas used for artificial ripening of green fruits
(a) Acetylene
(b) Methane,
(c) Ethane
(d) Butane






Everyday Science Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.


 


61. Carbon dioxide is called a “greenhouse” gas because
(a) its concentration is always high in greenhouses
(b) it is involved in photosynthesis
(c) it absorbs infrared radiation
(d) it emits visible radiation 


 


62. Which type of Uranium is used in the fission process
(a) Uranium -234
(b) Uranium -235
(c) Uranium -236
(d) Uranium -237


 


63. What was the name of the world’s first human test-tube baby
(a) Louise
(b) Sarah
(c) Martha
(d) Heather


 


64. Which is the largest gland in human body
(a) Liver
(b) Kidney
(c) Lungs
(d) Brain


 


65. Water has maximum density at
(a) 0°C
(b) 4°C
(c) 4°K
(d) 4.8°C


 


66. Which of the following is the lightest substance known
(a) Oxygen
(b) Nitrogen
(c) Hydrogen
(d) Carbon


 


67. Among the following food items, which one has the highest amount of carbohydrates
(a) Apple
(b) Banana
(c) Cabbage
(d) Pea


 


68. Which of the following is not considered a primary color of light
(a) Green
(b) Blue
(c) Red
(d) Yellow


 


69. The blue color of the water in the sea is due to
(a) Refraction of the blue light by the impurities in seawater.
(b) Reflection of blue sky by the sea water.
(c) Absorption of other colors except the blue color by water molecules
(d) Scattering of blue light by water molecules


 


70. Acetylsalicylic acid is commonly known as
(a) Aspirin
(b) Despines
(c) Butane
(d) Propane


 


71. Heat from the sun is received by the earth through
(a) Conduction
(b) Convection
(c) Radiation
(d) None of these


 


72. A Fahrenheit thermometer indicates a temperature of -40°F. Its corresponding reading on the Celsius scale will be
(a) -20°C
(b) -40°C
(c) +10°C
(d) +40°C


 


73. What herb is said to help regulate your Blood Pressure
(a) Buckthorn
(b) Cloves
(c) Celery Seed
(d) Garlic


 


74. What metallic element is also called wolfram
(a) Technetium
(b) Antimony
(c) Tungsten
(d) Astatine


 


75. The plant which bears fruit only once in its lifetime is
(a) Grapes
(b) Banana
(c) Papaya
(d) Date


 


76. What is the outermost boundary of plants
(a) Cell membrane
(b) Cytoplasm
(c) Nucleus
(d) Cell wall


 


77. John Walker invented
(a) Safety match
(b) Safety razor
(c) Safety pin
(d) Safety valve


 


78. Which of these is NOT a kind of earthquake
(a) Plutonic
(b) Volcanic
(c) Artificially produce
(d) Tectonic


 


79. The material used for bleaching paper Pulp is
(a) Caustic soda
(b) Sodium
(c) Lime
(d) Alum


 


80. What anatomical structure connects the stomach and the mouth
(a) Trachea
(b) Spinal column
(c) Hepatic duct
(d) Esophagus






Everyday Science Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.


 


81. When water boils, its temperature
(a) Begins to increase
(b) Begins b decrease
(c) Remains constant
(d) Fluctuates around a value


 


82. Who invented logarithm tables
(a) John Napier
(b) H. Moseley
(c) N. Bohr
(d) Chadwick


 


83. Amnesia is related to
(a) Loss of memory
(b) Loss of hearing
(c) Sleeping sickness
(d) Loss of Teeth


 


84. In which form is calcium present in our bones
(a) Calcium nitrate
(b) Calcium phosphate
(c) Calcium sulphide
(d) Calcium carbonate


 


85. The explosion that is said to have begun the universe is called the
(a) Big Bang
(b) Reflection
(c) Prism
(d) None of these


 


86. Epiphytic and parasitic plants grow on which of the following
(a) Plains
(b) Rocks
(c) Sea
(d) Plants


 


87. Which is NOT a sedimentary rock
(a) Conglomerate
(b) Obsidian
(c) Shale
(d) Sandstone


 


88. Light energy is stored in the form of ____due to the activity of Chloroplast
(a) Mechanical energy
(b) Electrical energy
(c) Chemical energy
(d) None of the above


 


89. The most abundant constituent of atmospheric air is
(a) Carbon
(b) Hydrogen
(c) Oxygen
(d) Nitrogen


 


90. What is RDX
(a) An instrument
(b) A fertilizers
(c) A gene
(d) An explosive


 


91. Plants are called the ___ of nature
(a) stomach
(b) liver
(c) heart
(d) lungs


 


92. Which of the followings tells us how many protons an atom has
(a) Mass
(b) Weight
(c) Atomic number
(d) Charge


 


Physics MCQs - PAK QUIZ





Physics Mcqs


Physics Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.


 


1. The working principle of a washing machine is
(a) Centrifugation
(b) Dialysis
(c) Reverse osmosis
(d) Diffusion


 


2. Reserves of radioactive element which has been found in D.G. Khan area of Pakistan is
(a) Uranium
(b) Thorium
(c) Radium
(d) Plutonium


 


3. Who gave the theory which was based on the idea that all matter is made up of four basic substances: earth, water, air, and fire.
(a) Aristotle
(b) Archimedes
(c) Pascal
(d) Newton


 


4. What did J.J. Thomson use in order to measure the mass of the atom and its electric charge in 1897
(a) Alpha particles.
(b) Neutrons
(c) Cathode ray tube
(d) None of these


 


5. Which type of storage system uses mechanical energy to store energy
(a) Superconducting
(b) Pumped Hydroelectric
(c) Capacitors
(d) Flywheel



6. What is the source of electric energy in an artificial satellite
(a) Nuclear reactor
(b) A dynamo
(c) A Thermopylae
(d) Solar cells


 


7. Which gas is commonly used in balloons and airships
(a) Hydrogen
(b) Helium
(c) Carbon
(d) Nitrogen


 


8. Non-conventional source of energy best suited for Pakistan is
(a) Solar energy
(b) Wind energy
(c) Tidal wave energy
(d) Nuclear energy


 


9. Which of the following is a vector quantity
(a) Force
(b) Temperature
(c) Energy
(d) Momentum


 


10. Heavy water is
(a) Sea water
(b) D2O
(c) H2O2
(d) None of these


 


11. At what point the Centigrade and the Fahrenheit temperatures are the same
(a) 10 degree
(b) 0 degree
(c) -10 degree
(d) -40 degree 


 


12. Speed of sound is maximum in
(a) Gas
(b) Liquid
(c) Same in all
(d) Solid


 


13. Which of the following light waves is outside the visible spectrum
(a) Violet
(b) Blue
(c) Yellow
(d) Ultraviolet


 


14. Which of the following is used in semiconductors
(a) Aluminium
(b) Copper
(c) Silicon
(d) None of these


 


15. A falling drop of rain water acquires the spherical shape due to
(a) Surface Tension
(b) Gravitational force
(c) Atmospheric pressure
(d) Viscosity


 




Physics Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.


 


16. Which is more elastic
(a) Steel
(b) Rubber
(c) Thread
(d) None of these


 


17. Who is credited with developing the idea of an isotope
(a) Frederick Soddy
(b) H. Moseley
(c) James Chadwick
(d) N. Bohr


 


18. A device used to detect heat radiations is known as
(a) Barometer
(b) Thermocouple
(c) Thermopylae
(d) Generator


 


19. Which of the following colors do not show photoelectric effect
(a) Blue
(b) Green
(c) Orange
(d) Violet


 


20. The energy of matter in motion is
(a) Potential Energy
(b) Projectile
(c) Kinetic Energy
(d) Resistance


 


21. The splitting of white light when passing through a glass prism is clue to
(a) Reflection
(b) Refraction
(c) Diffraction
(d) Interference


 


22. Which is used as a nuclear fuel in the sun
(a) Helium
(b) Hydrogen
(c) Uranium
(d) Alpha particles


 


23. What is emitted by the hot metal filament in a cathode ray tube
(a) Electron
(b) Proton
(c) Newton
(d) Yuton


 


24. Some lasers are referred to as being “cw.” What does “cw” mean
(a) Circular wave
(b) Constant white
(c) Continuous wave
(d) Clear white


25. Electro cardio graph is used to study
(a) Blood pressure
(b) Lungs
(c) Function of heart
(d) Liver


26. Which one is a mechanical wave
(a) Sound Wave
(b) Radio Wave
(c) Light Wave
(d) Infrared Wave


 


27. Who developed the concept of atomic number
(a) Frederick Soddy
(b) H. Moseley
(c) James Chadwick
(d) N. Bohr


 


28. Which material is the best absorber of infrared radiation
(a) Glass
(b) Wood
(c) Cotton
(d) Animal Fur


 


29. Describes the rate at which work is being done
(a) Potential Energy
(b) Power
(c) Efficiency
(d) Effort Force


 


30. Motion of artificial earth satellite around the earth is powered by
(a) Solar batteries
(b) Liquid fuel
(c) Atomic energy
(d) Thermal energy


 





Physics Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.


 


31. Good conductors have many loose bounds
(a) Atoms
(b) Protons
(c) Molecules
(d) Electrons


 


32. Which of the following is a physical change
(a) Boiling of Water
(b) Rusting of Iron
(c) Boiling of an Egg
(d) Burning of Candle


 


33. Which of the following is a good conductor of heat and electricity
(a) Diamond
(b) Anthracite
(c) Granite
(d) Graphite


 


34. The focal length of a convex lens is maximum for
(a) Blue
(b) Green
(c) Yellow
(d) Red


 


35. The fuse wire is generally made of
(a) Silver
(b) Copper
(c) Tin-lead alloy
(d) Silver & copper


 


36. Superconductivity is due to
(a) Electrons
(b) Protons
(c) Pair of electrons
(d) Neutrons


 


37. What constitute current in a metal wire
(a) Electrons
(b) Protons
(c) Atoms
(d) Molecules


 


38. Which one of the following is not a radioactive element
(a) Uranium
(b) Radium
(c) Thorium
(d) Cadmium


 


39. The resistance of carbon _______ with rise in the temperature
(a) Increases
(b) Decreases
(c) Remain the same
(d) Fluctuate


 


40. Metals are good conductors of heat because
(a) They have free electrons
(b) Their atoms are far apart
(c) Their atoms collide frequently
(d) They have reflecting surfaces


 


41. What is the color of red rose in green light
(a) Red
(b) Yellow
(c) Black
(d) Blue


 


42. The wire having a black plastic cover is a
(a) Live wire
(b) Neutral wire
(c) Earth wire
(d) None of these


 


43. When oil is spread on water surface, the surface tension
(a) Increases
(b) Decreases
(c) Remains the same
(d) Depends on the nature of oil


 


44. The various distribution circuits are connected in
(a) Series
(b) Parallel
(c) Series or parallel
(d) None of these


 


45. Which is the most dense planet of our solar system
(a) Sun
(b) Jupiter
(c) Mercury
(d) Earth


 





Physics Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.


 


46. The field in which Einstein won Nobel Prize
(a) Biology
(b) Mathematics
(c) Physics
(d) Education


 


47. Laws of electrolysis was given by
(a) Faraday
(b) Maxwell
(c) Lenz
(d) Bohr


 


48. Which of the following mirrors is most suitable for using as a reflector in car headlights
(a) Parabolic mirror
(b) Convex mirror
(c) Concave mirror
(d) Plane mirror


 


49. Which of the following is a supporter of combustion
(a) Cooking gas
(b) Nitrogen gas
(c) Oxygen gas
(d) Producer gas


 


50. What is sight amplification by stimulated emission of radiation
(a) Solar energy
(b) A laser
(c) Plasma
(d) Cosmic rays


 


51. Which atomic reactor is used for studies of uranium of heavy water lattice
(a) Apsara
(b) Zerlina
(c) Dhruva
(d) Purnima –I


 


52. Which among the following is an element
(a) Alumina
(b) Brass
(c) Graphite
(d) Silica


 


53. A red tomato appears to be which color under blue light
(a) Black
(b) Red
(c) Blue
(d) Purple


 


54. What device makes use of EM radiation
(a) SONAR
(b) RADAR
(c) SCUBA
(d) TASER


 


55. Which of the following can’t be used to make a solar cell
(a) Silicon
(b) Platinum
(c) Gallium
(d) Germanium


 


56. Which of the following has more speed
(a) Light
(b) Sound
(c) Train
(d) Water


 


57. The velocity of electromagnetic waves is equal to
(a) Velocity of sound
(b) Velocity of light
(c) Velocity of Car
(d) None of these


 


58. Which of the following EM types have the highest energy levels
(a) Radio
(b) visible
(c) X-rays
(d) infrared


 


59. Which device can be used to store charge
(a) Transistor
(b) Diode
(c) Capacitor
(d) Resistor


 


60. What light source is used for most color analysis instruments
(a) Xenon
(b) Neon
(c) Tungsten
(d) Deuterium






Physics Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.


 


46. The field in which Einstein won Nobel Prize
(a) Biology
(b) Mathematics
(c) Physics
(d) Education


 


47. Laws of electrolysis was given by
(a) Faraday
(b) Maxwell
(c) Lenz
(d) Bohr


 


48. Which of the following mirrors is most suitable for using as a reflector in car headlights
(a) Parabolic mirror
(b) Convex mirror
(c) Concave mirror
(d) Plane mirror


 


49. Which of the following is a supporter of combustion
(a) Cooking gas
(b) Nitrogen gas
(c) Oxygen gas
(d) Producer gas


 


50. What is sight amplification by stimulated emission of radiation
(a) Solar energy
(b) A laser
(c) Plasma
(d) Cosmic rays


 


51. Which atomic reactor is used for studies of uranium of heavy water lattice
(a) Apsara
(b) Zerlina
(c) Dhruva
(d) Purnima –I


 


52. Which among the following is an element
(a) Alumina
(b) Brass
(c) Graphite
(d) Silica


 


53. A red tomato appears to be which color under blue light
(a) Black
(b) Red
(c) Blue
(d) Purple


 


54. What device makes use of EM radiation
(a) SONAR
(b) RADAR
(c) SCUBA
(d) TASER


 


55. Which of the following can’t be used to make a solar cell
(a) Silicon
(b) Platinum
(c) Gallium
(d) Germanium


 


56. Which of the following has more speed
(a) Light
(b) Sound
(c) Train
(d) Water


 


57. The velocity of electromagnetic waves is equal to
(a) Velocity of sound
(b) Velocity of light
(c) Velocity of Car
(d) None of these


 


58. Which of the following EM types have the highest energy levels
(a) Radio
(b) visible
(c) X-rays
(d) infrared


 


59. Which device can be used to store charge
(a) Transistor
(b) Diode
(c) Capacitor
(d) Resistor


 


60. What light source is used for most color analysis instruments
(a) Xenon
(b) Neon
(c) Tungsten
(d) Deuterium







Physics Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.


 


76. Light beam which is highly directional is called
(a) Laser
(b) Eraser
(c) Maser
(d) Grazer


 


77. X-rays comprise of
(a) Electrons only
(b) Protons only
(c) Neutrons only
(d) Electromagnetic radiations


 


78. Which metal is not used as electromagnet
(a) Copper
(b) Iron
(c) Nickel
(d) Cobalt


 


79. A mobile phone sends and receives messages through
(a) Sound waves
(b) Microwaves
(c) Ultraviolet waves
(d) Radio waves


 


80. The ray with high penetrating power is
(a) α-rays
(b) β-rays
(c) ϒ-rays
(d) x-rays


 


81. Which one of the following allot ropes of carbon is used for cutting and drilling
(a) Diamond
(b) Graphite
(c) Activated carbon
(d) Carbon black


 


82. A periscope works by the principle of
(a) Refraction
(b) Total Internal reflection
(c) Diffraction
(d) Reflection and refraction


 


83. What is the power factor of a pure resistor circuit
(a) One
(b) Zero
(c) Leading
(d) Lagging


 


84. Dry Ice is
(a) Liquid Nitrogen
(b) Water ice
(c) Solid Carbon dioxide
(d) Frozen Ethanol


 


85. A transformer mainly transforms
(a) Current
(b) Voltage
(c) Frequency
(d) Power


 


86. The primary colors are
(a) Blue, green and red
(b) Blue, yellow and red
(c) Yellow, orange and red
(d) None of these




Chemistry MCQs - PAK QUIZ







Chemistry Mcqs


Chemistry Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.


 


1. Why is phosphorus kept under water
(a) to make it durable
(b) to make it wet
(c) to save it from catching fire when exposed to dry air
(d) water forms a protective coating on it


 


2. Coat is formed due to the process of
(a) Evaporation
(b) Centrifugation
(c) Conjugation
(d) Carbonization


 


3. Which one of the following is the softest
(a) Iron
(b) Lithium
(c) Iron
(d) Sodium


 


4. Which of the following has the same atomic number and atomic weight
(a) Hydrogen
(b) Helium
(c) Oxygen
(d) Nitrogen


 


5. The purest form of iron is
(a) Pig iron
(b) Cast iron
(c) Wrought iron
(d) Stainless steel


 


6. Rusting of iron requires
(a) Oxygen only
(b) Oxygen and Carbon dioxide
(c) Oxygen and water
(d) Carbon dioxide only


 


7. Which of the following gases is the most toxic
(a) Carbon dioxide
(b) Carbon monoxide
(c) Sulphur dioxide
(d) Acetic acid


 


8. Uranium eventually decays into a stable isotope of
(a) Lead
(b) Polonium
(c) Thorium
(d) Radium


 


9. What is the main component of bio gas and natural gas
(a) Ethane
(b) Butane
(c) Propane
(d) Methane


 



10. Which among the following elements (metals) pollutes the air of a city having large number of automobiles
(a) Cadmium
(b) Chromium
(c) Lead
(d) Nickel


 


11. Which of the following elements is found in all organic compounds
(a) Calcium
(b) Carbon
(c) Nitrogen
(d) Oxygen


 


12. Which of the following is the Chemical name of the salt we use in our kitchen
(a) Sodium Chloride
(b) Ammonium Sulphate
(c) Sodium Carbonate
(d) Calcium Chloride


 


13. Which gas is used for converting vegetable oils into saturated fats
(a) H2
(b) O2
(c) Cl2
(d) SO2



14. Which of the following gases is used in the cigarette lighters
(a) Butane
(b) Methane
(c) Propane
(d) Radon


 


15. What is the chemical name of bleaching Powder
(a) Calcium carbonate
(b) Calcium hydrochloride
(c) Calcium phosphate
(d) Calcium cyanamide


 





Chemistry Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.


 


16. Which of the following Chemicals is used for fruit ripening
(a) Calcium carbide
(b) Sodium chloride
(c) Potassium chloride
(d) None of the above


 


17. In the entire universe, what is the most abundant element
(a) Hydrogen
(b) Iron
(c) Lead
(d) Oxygen


 


18. The single acid which dissolves gold is
(a) Nitric acid
(b) Selenic acid
(c) Hydrochloric acid
(d) Aqua regia


 


19. The chemical name of quartz is
(a) Calcium oxide
(b) Calcium phosphate
(c) Sodium phosphate
(d) Sodium silicate


 


20. Marsh gas mainly contains
(a) C2H2
(b) CO
(c) CH4
(d) H2S


 


21. What is the silk
(a) Fat
(b) Carbohydrate
(c) Hydrocarbon
(d) Protein


 


22. German Silver is an alloy of
(a) copper:55,nickel:25 and zinc: 20
(b) copper:25 nickel:45 and zinc: 30
(c) copper:25,nickel:55 and zinc: 20
(d) copper:15,nicke1:45 and zinc: 40


 


23. Which of the following is not a compound of calcium
(a) Gypsum
(b) Marble
(c) Chalk
(d) Silicon


 


24. Which one of the following is used as a moderator in a nuclear reactor
(a) Radium
(b) Ordinary water
(c) Thorium
(d) Heavy water


 


25. Alloys in which mercury is one of the metals are called
(a) Amalgams
(b) Emulsions
(c) Mixtures
(d) Solders


 


26. Diamond is the __________ form of carbon
(a) crystalline
(b) amorphous
(c) chemical
(d) alkaline


 


27. The atomic weight of uranium is
(a) 234
(b) 238
(c) 226
(d) 242


 


28. Which of the following is used as laughing gas
(a) Nitrogen trioxide
(b) Nitrogen dioxide
(c) Nitrous oxide
(d) Nitrogen tetroxide


 


29. Carbon occurs in nature in the purest form as
(a) Diamond
(b) Graphite
(c) Carbon black
(d) Coal


 


30. Which substance was the first organic chemical to be synthesized from an inorganic source
(a) Urea
(b) Hellenic acid
(c) Hydrochloric acid 
(d) Aqua regia


 





Chemistry Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.


 


31. What is the Air
(a) Element
(b) Compound
(c) Mixture
(d) Colloid


 


32. The ore of aluminium metal is
(a) Cuprite
(b) Galena
(c) Bauxite
(d) Zirconite


 


33. What element is the most electronegative and reactive of all elements
(a) Hydrogen
(b) Chlorine
(c) Fluorine
(d) Oxygen


 


34. The filament of an electric bulb is made of
(a) Tungsten
(b) Iron
(c) Nichrome
(d) Carbon


 


35. What element’s three isotopes have different names
(a) Oxygen
(b) Helium
(c) Hydrogen
(d) Carbon


 


36. Which of these is a noble metal
(a) Gold
(b) Calcium
(c) Magnesium
(d) Zinc


37. What is the PH of water
(a) 9
(b) 6
(c) 7
(d) 8


 


38. This acid is used in almost all car batteries and is also known as ‘Oil of Vitriol’. Which acid is it
(a) Sulphuric acid
(b) Perchloric acid
(c) Nitric add
(d) Acetic acid


 


39. Which metal is extracted from hematite
(a) Copper
(b) Iron
(c) Zinc
(d) Potassium


 


40. What was the first element to be produced artificially
(a) Plutonium
(b) Neptunium
(c) Francium
(d) Technetium


 


41. What is the name of the pigment that gives the green color to plants
(a) Carotene
(b) Chlorophyll
(c) Phenolphthalein
(d) Xanthophyll


 


42. The name “copper” is derived from the name of the tiny island country of
(a) Cyprus
(b) Denmark
(c) Greece
(d) Malta


 


43. Which of the following bases is involved in the making of soap
(a) Baking soda
(b) Caustic soda
(c) Ammonia
(d) Washing soda


 


44. The most commonly used bleaching agent is
(a) Sodium chloride
(b) Carbon dioxide
(c) Chlorine
(d) Alcohol


 


45. The development of the ultra microscope makes use of the
(a) Edison effect
(b) Tyndall effect
(c) Brownian motion
(d) Zeeman effect


 




Chemistry Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.


 


46. The hardest form of carbon is
(a) Coke
(b) Graphite
(c) Diamond
(d) Charcoal


 


47. The first metal to be used by man was
(a) Aluminium
(b) Copper
(c) Silver
(d) Iron


 


48. The most malleable metal is
(a) Platinum
(b) Silver
(c) Iron
(d) Gold


 


49. The difference between isotopes of an element is due to the presence of a different number of
(a) Protons
(b) Neutrons
(c) Electrons
(d) Photons


 


50. The major constituent of air is
(a) Nitrogen
(b) Carbon dioxide
(c) Oxygen
(d) Hydrogen


 


51. The chief constituent of gobar gas (Bio Gas) is
(a) Methane
(b) Ethane
(c) Propane
(d) Chloride


 


52. The gas used in the manufacture of vanaspati from vegetable oil is
(a) Hydrogen
(b) Oxygen
(c) Nitrogen
(d) Carbon dioxide


 


53. The most reactive among the halogens is
(a) Bromine
(b) Chlorine
(c) Iodine
(d) Fluorine


 


54. Which particle of atom has no charge
(a) Proton
(b) Neutron
(c) Electrons
(d) None of these


 


55. Which are on the outer orbit of an atom
(a) Proton
(b) Neutron
(c) Electrons
(d) None of these


 


56. Stainless steel is an alloy of
(a) Iron, Carbon and Nickel
(b) Iron and Manganese
(c) Iron, Chromium and Zinc
(d) Iron, Chromium and Nickel


 


57. Which particle of atom has a positive charge
(a) Proton
(b) Neutron
(c) Electrons
(d) None of these


 


58. The major component in the LPG is
(a) Butane
(b) Methane
(c) Propane
(d) Ethane


 


59. The main constituent gas of CNG is
(a) Benzene
(b) Ethane
(c) Methane
(d) Butane


 


60. Which of the following; is not a chemical action
(a) Burning of coal
(b) Conversation of water into steam
(c) Digestion of food
(d) Burning of paper


 





Chemistry Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.


 


61. Chemical name of bleaching powder is
(a) Calcium Chlorate
(b) Calcium Chloro hypochlorite
(c) Calcium hypochlorite
(d) Calcium bi Chloride


 


62. Which particle of atom has a negative charge
(a) Proton
(b) Neutron
(c) Electrons
(d) None of these


 


63. Which one of the following is also called Stranger Gas
(a) Xenon
(b) Argon
(c) Neon
(d) Nitrous oxide


 


64. Which of the following is not a mixture
(a) LPG
(b) Air
(c) Gasoline
(d) Distilled water


 


65. Which of the following is a fertilizer
(a) Sodium nitrate
(b) Sodium carbonate
(c) Sodium peroxide
(d) Sodium phosphate


 


66. The main constituent gas of LNG is
(a) Benzene
(b) Ethane
(c) Methane
(d) Butane


 


67. Which of the following is a chemical change
(a) Evaporation of water
(b) Burning of candle
(c) Glowing of an electric bulb
(d) Liquefaction of air


 


68. Which of the primary component of natural gas
(a) Methane
(b) Butane
(c) Propane
(d) Ethane


 


69. The substance used for artificial rain is 
(a) Silver Bromide
(b) Silver Iodide
(c) Ammonium Nitrate
(d) All of the above


 


70. Which of these is not a noble gas
(a) Argon
(b) Hydrogen
(c) Krypton
(d) Neon


 


71. The most abundant element in the earth’s crust is
(a) Silicon
(b) Aluminium
(c) Nitrogen
(d) Oxygen


 


72. What will the color of litmus paper turn into when dipped in orange juice
(a) Red
(b) Purple
(c) Blue
(d) Orange


 


73. Which of the following gases is used in fire extinguishers
(a) Carbon monoxide
(b) Carbon dioxide
(c) Nitrogen oxide
(d) Sulphur dioxide


 


74. First organic chemical to be synthesized in Laboratory is 
(a) Phosphoric Acid
(b) Oxalic Acid
(c) Urea
(d) Citric Acid


 


75. Which one of the following metals does not react with water to produce Hydrogen
(a) Sodium
(b) Potassium
(c) Lithium
(d) Cadmium


 





Chemistry Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.


 


76. Which of the following is a polymer
(a) Vinyl Chloride
(b) Urea
(c) Starch
(d) Styrene


 


77. What is the only element that normally has no neutrons
(a) Oxygen
(b) Hydrogen
(c) Krypton
(d) Neon


 


78. Which of these is liquid at room temperature
(a) Chlorine
(b) Oxygen
(c) Iodine
(d) Bromine


 


79. Due to rusting the weight of iron
(a) Increases
(b) Decreases
(c) Remains the same
(d) Uncertain


 


80. Which of these metals has the highest density
(a) Platinum
(b) Lithium
(c) Tungsten
(d) Iridium


 


81. In nature, this gas is only ever found combined with other elements. In its pure state however, it is fatal if inhaled.
(a) Argon
(b) Oxygen
(c) Chlorine
(d) Hydrogen


 

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