Important Everyday Science MCQs for preparation of competitive exams and jobs test.
Everyday Science MCQs
Which of the following is the source of purest water in nature?
A. River
B. Rain
C. Spring
D. Well
About 50% of the Earth’s crust including the waters on the earth and atmosphere is?
A. Clay
B. Silicon
C. Carbon Dioxide
D. Oxygen
Which of the following is Heavy water?
A. Seawater
B. D2O
C. H2O
D. None of these
Which area in a lake mainly nourished by detritus?
A. Limnetic Zone
B. Littoral Zone
C. Profundal Zone
D. All of these
Which of the following Vitamin is necessary for vision in dim light?
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D
Which of the following is the cause of greenhouse effect?
A. Over urbanization
B. Industrialization
C. Deforestation
D. All of these
Russia launched its space station into space in 1986, which was?
A. Skylab-II
B. Mir
C. Sputnik
D. Rahber
Bodies which usually fall from the sky on the Earth are called?
A. Rock
B. Meteors
C. Comets
D. None of these
Nearest star to the sun is:
A. Proxima Centauri
B. Alpha Scorpius
C. Beta Orionis
D. Vegetal
Charon is the natural satellite of:
A. Neptune
B. Jupiter
C. Pluto
D. Uranus
The world’s first test tube baby was born in which of the following?
A. Spain
B. Britain
C. Germany
D. China
The material used in the fabrication of transistor is:
A. Silver
B. Copper
C. Silicon
D. Aluminium
The main constituent of Vinegar is:
A. Ascorbic acid
B. Citric acid
C. Acetic acid
D. None of these
Vermicompost is a/an:
A. Synthetic fertilizer
B. Organic bio-fertilizer
C. Inorganic fertilizer
D. None of these
For which Diode is used:
A. Purification
B. Modulation
C. Oscillation
D. Amplification
Which organic compound is used to remove stains of iron compounds?
A. Benzoic acid
B. Oxalic acid
C. Cinnamic acid
D. Phthalic acid
In a rechargeable cell, what kind of energy is stored within the cell?
A. Kinetic energy
B. Electrical energy
C. Potential energy
D. Chemical energy
Which colour of light shows maximum deviation when fast through a prism?
A. Red
B. Yellow
C. Violet
D. Green
No of CO2 are present in 220 mg?
A. 5 Moles
B. 0.005 mole
C. 5000 moles
D. 10 moles
Ice looks white because:
A. It reflects Lights
B. It absorbs all light
C. It is due to the water being white
D. None of these
The Process which involves both solid and liquid phases is called:
A. Freezing
B. Boiling
C. Melting
D. Condensation
What is the study of the structure and behavior of the universe at a very small scale?
A. Astrophysics
B. Quantum Mechanics
C. Cosmology
D. Thermodynamics
What is the study of the behavior and control of machines?
A. Robotics
B. Artificial Intelligence
C. Cybernetics
D. All of the above
What is the study of the structure and properties of materials?
A. Material Science
B. Nanotechnology
C. Robotics
D. Artificial Intelligence
Which atomic reactor is used for studies of uranium of heavy water lattice?
A. Apsara
B. Zerlina
C. Dhurva
D. Purnima -I
Which of the following can’t be used to make a solar cell?
A. Silicon
B. Platinum
C. Gallium
D. Germanium
The split ring in motion is called:
A. Armature
B. Rotor
C. Commutator
D. Core
If you have light of 5500 Angstroms, What color is it?
A. Blue
B. Green
C. Yellow
D. Yellow-Green
What Greek letter is used to denote frequency?
A. Lambda
B. Nu
C. Phi
D. Kappa
Which of the following gases is most predominant in the Sun?
A. Helium
B. Hydrogen
C. Nitrogen
D. Ozone
“Deep Blue Black Box” term is connected with:
A. Computer science
B. Motor vehicle
C. Space science
D. Aircraft industry
Which of the following is a non-metallic mineral?
A. Cobalt
B. Gypsum
C. Thorium
D. Uranium
Which of the planet moves fastest around the Sun?
A. Venus
B. Mercury
C. Jupiter
D. None of these
Which of the planet moves slowest around the Sun?
A. Venus
B. Mercury
C. Jupiter
D. None of these
Dinosaur was:
A. Mammal
B. Reptile
C. Large herbivorous animal
D. None of these
Process by which plants prepare their food is called:
A. Photosynthesis
B. Photorespiration
C. Carbohydrolysis
D. None of these
‘Cryogenics’ is a science dealing with
A. Low temperature
B. High temperature
C. Growth of crystal
D. Friction and wear
Bleaching powder is used in drinking water as a:
A. Disinfectant
B. Coagulant
C. Antibiotic
D. Antiseptic
The highest volume of gases in lower atmosphere is comprised of:
A. Nitrogen
B. Carbon dioxide
C. Hydrogen
D. Oxygen
Planck’s constant has the dimension of:
A. Force
B. Energy
C. Angular momentum
D. Linear momentum
Currant is a ____.
A. Vegetable
B. Tool
C. Fruit
D. Machine
In Human being blood does not clot due to the presence of:
A. Heparin
B. Fibrinogen
C. Vitamin K
D. Thrombin
Another name of Vitamin C is:
A. Riboflavin
B. Thiamine
C. Ascorbic Acid
D. None of these
Carbon Dioxide ____ the temperature of our atmosphere.
A. Increase
B. Decrease
C. Not Effect
D. None of these
Lack of ___ causes diabetes.
A. Iron
B. Insulin
C. Calcium
D. None of these
Laws of electrolysis was given by:
A. Faraday
B. Maxwell
C. Lenz
D. Bohr
The various distribution circuits are connected in:
A. Series
B. Parallel
C. Series or parallel
D. None of these
The wire of an electric lamp has a:
A. High resistance and a high melting point
B. High resistance and a low melting point
C. Low resistance and a low melting point
D. Low resistance
His theory, simplified, was that the electrons in the atom move in precisely determined orbits.
A. Pauli
B. Bohr
C. Aufbau
D. Hertz
He said all matter in motion has a wavelike nature.
A. de Broglie
B. Planck
C. Schrodinger
D. Thomson
Unlike rodents, the rabbit has how many incisor teeth?
A. Five
B. Four
C. Three
D. Two
Human mouth produces ___ pints of Saliva a day?
A. 2-3
B. 2-2
C. 1-3
D. 3-4
XXY individual in Drosophila (fruit fly) is:
A. Male
B. Female
C. Sterile
D. All of the these
What is the position of the Earth when it is at the closest distance from the sun?
A. Aphelion
B. Perihelion
C. Apogee
D. Perigee
We live in which of the following galaxy?
A. Black Hole
B. Andromeda
C. Milky Way
D. Virgo A
Snow-coated Mountains are found in which of the following Planet?
A. Mars
B. Venus
C. Pluto
D. None of these
Bile is stored in human beings in the:
A. Stomach
B. Liver
C. Gall bladder
D. None of these
What is mixed farming?
A. Growing several crops in a planned way
B. Growing several crops and rearing animals
C. Growing Rabi as Well as Kharif crops
D. None of these
Earthworm is called farmer’s friend because:
A. It makes soil porous
B. It fixes atmospheric nitrogen
C. It work as fungicide
D. None of these
Fleming’s right hand rule is used to find the direction of the:
A. Direct current
B. Alternate current
C. Actual current
D. Induced current
A person is hurt on kicking a stone due to:
A. Velocity
B. Inertia
C. Reaction
D. Momentum
Antacids are found in drugs that give relief to:
A. Acne
B. Eyesight
C. Headache
D. Stomach ache
Which of the following liquids has the least density?
A. Petrol
B. Mercury
C. Saltwater
D. Freshwater
The sharpness of a television is termed as its:
A. Colour
B. Clarity
C. Resolution
D. Graphics
Study of Reptiles is called:
A. Herpetology
B. Ophiology
C. Petrology
D. Ophthalmology
Study of Snakes is called:
A. Herpetology
B. Ophiology
C. Petrology
D. Ophthalmology
Science concerned with improving the quality of human offspring is called:
A. Genetics
B. Biology
C. Heredity
D. Eugenics
Total percentage of Oxygen in Air is:
A. 2%
B. 78.6%
C. 21%
D. 75%
Study of Bones is called:
A. Osteology
B. Otology
C. Ophthalmology
D. Oncology
Focusing in a camera is carried out by varying:
A. The amount of light
B. The distance of the lens from the film
C. The distance of the lens from the object
D. The brightness of light and speed of the shutter
What is the colour of red rose in green light?
A. Red
B. Yellow
C. Black
D. Blue
Ludington, Michigan has the biggest ___ storage system in the world.
A. Compressed Air
B. Chemical
C. Superconducting
D. Pumped Hydroelectric
An artificial earth satellite is said to be in geostationary orbit when:
A. It is so placed in the space that it does not move
B. It remains stationary in relation to the earth
C. Its course is governed by terrestrial gravity
D. None of These
What light source is used for most color analysis instruments?
A. Xenon
B. Neon
C. Tungsten
D. Deuterium
Which of the following EM types have the lowest energy levels?
A. Ultraviolet
B. Microwave
C. X-rays
D. Gamma rays
Which of the following EM types have the highest energy levels?
A. Radio
B. Visible
C. X-rays
D. Infrared
What device makes use of EM radiation?
A. SONAR
B. RADAR
C. SCUBA
D.TASER
Sibling species are produced as a result of?
A. Sympatric Speciation
B. Allopatric Speciation
C. Both a & b
D. None of these
Which one of the following fertilizers contains a high percentage of nitrogen?
A. Urea
B. Ammonium nitrate
C. Calcium nitrate Ammonium
D. None of these
When the source is moving towards the observer at rest the apparent frequency will:
A. Increased
B. Decreased
C. Both of above
D. None of these
Bats navigate and find food by:
A. Eco-sounding
B. Eco-location
C. Acoustical echo
D. None of these
How many satellites are present in Jupiter?
A. 73
B. 75
C. 77
D. 79
The constellation of seven bright stars is known as:
A. The Milky Way
B. The great Bear
C. Asteroids
D. Satellites
Which of the following protein is the most abundant in chloroplast?
A. Pepsin
B. Trypsin
C. Rubisco
D. Erypsin
The carrying capacity of blood is increased by the presence of hemoglobin by how many times?
A. 50 Times
B. 70 Times
C. 98 Times
D. 100 Times
Which one of the following is responsible for the stimulating effect of tea?
A. Alkaloid
B. Flavonoid
C. Steroid
D. None of these
Terrace farming is done:
A. on root tops
B. on the slope of hills
C. on mountain tops
D. in dry regions
Faulting owes origin to:
A. Tensional forces
B. Compressional forces
C. Convergent forces
D. All of these
Vitamin B exists in:
A. Fruit and Vegetables
B. Seeds
C. Sea-food
D. None of these
Curie it is the temperature at which:
A. A metal loses conductivity
B. A metal loses magnetic property
C. Matter becomes radioactive
D. Transmutation of metal occurs
What happens when a chemical bond is formed?
A. Energy is always absorbed
B. Energy is always released
C. More energy is released than is absorbed
D. Energy is neither released nor absorbed
When a bar magnet is cut into two equal halves, the pole strength of each piece:
A. Becomes zero
B. Remains the same
C. Becomes half
D. Becomes double
Rectified Spirit is:
A. 100% Ethyl alcohol
B. 95% Ethyl alcohol
C. Tincture iodine
D. Methylated spirit
Which one has the highest value of specific heat?
A. Water
B. Lead
C. Copper
D. Glass
Purity of a metal can be determined by:
A. Conservation of mass principle
B. Boyle’s law
C. Pascal’s law
D. Archimedes Principal
The substance in human body which fights disease is __
A. Vaccines
B. Serums
C. Viruses
D. Anti-Bodies
1 Cubic foot per second unit of water management is equal to __
A. 5,4805 gallons
B. 6,4805 gallons
C. 7,4805 gallons
D. 8,4805 gallons
Cholera disease occurs due to contaminated ___
A. Water
B. Air
C. Land
D. None of these
Study of Motion is called:
A. Aerostatics
B. Aerodynamics
C. Dynamics
D. Mechanics
Study of forces and their effects on motion is called:
A. Aerostatics
B. Aerodynamics
C. Dynamics
D. Mechanics
Study of Gases in motion/ Motion of air is called:
A. Aerostatics
B. Aerodynamics
C. Dynamics
D. Mechanics
A gradual rise in a barometer height indicates:
A. Approach of fair weather
B. Approach of the immediate storm
C. Likelihood of rainfall
D. Nothing significant
Which is the densest planet of our solar system?
A. Sun
B. Jupiter
C. Mercury
D. Earth
Which habit may cause heart diseases?
A. Smoking
B. Taking Fast Foods
C. Taking soft drinks
D. All of the Above
One Kilometer is equal to ___.
A. 100 m
B. 1000 m
C. 1000 cm
D. 1000 mm
What type of EM radiation gives people tans?
A. Gamma
B. Infrared
C. Ultraviolet
D. Visible
What range of electromagnetic radiation is used to cook food in special ovens?
A. Gamma
B. infrared
C. Microwave
D. ultraviolet
What is the range of frequencies in which AM radio operates?
A. 88 to 108 MHz
B. 215 to 220 MHz
C. 54 to 88 MHz
D. 550 to 1700 KHz
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
If the stars are moving away from the Earth show a:
A. Redshift
B. Blueshift
C. Greenshift
D. None of these
If the stars are moving towards the earth show a:
A. Redshift
B. Blueshift
C. Yellowshift
D. None of these
Doppler affect can be used to calculate the speeds of:
A. Planets
B. Distant stars
C. Galaxies
D. All of these
Which of the following acid is produced in our stomach to digest food?
A. Nitric Acid
B. Hydrochloric Acid
C. Carbonic Acid
D. None of these
There is a well developed system of rings around it. This statement is about?
A. Uranus
B. Saturn
C. Venus
D. Jupiter
Which is the brightest star in the night sky?
A. Denim
B. Sun
C. Sirius
D. Altair
Which light is more important for photosynthesis?
A. Violet light
B. Red light
C. Greenlight
D. None of these
Which blood group is rare in the human body?
A. O
B. AB+
C. AB-
D. None of these
Which of the following lens are useful in microscope?
A. Convex lens
B. Concave lens
C. Curved lens
D. None of these
Lightning is caused due to:
A. Electric power
B. Electric pressure
C. Electric leakage
D. Electric discharge
The plastic material commonly used for making gear wheels is:
A. Nylons
B. Polyesters
C. Polystyrene
D. Bakelite
Which is used to iodize common salt?
A. Iodine
B. Sodium iodide
C. Potassium iodide
D. Potassium iodate
Which one among the following doesn’t have any effect on velocity of sound?
A. Temperature
B. Pressure
C. Density
D. Humidity
Heating of ore below its melting point in the absence of air is known as:
A. Smelting
B. Calcination
C. Roasting
D. Refining
The device used to convert solar energy into electricity is:
A. Galvanic Cell
B. Daniell Cell
C. Photovoltaic Cell
D. Electrochemical Cell
A person of ___ blood group is called as universal recipient.
A. A+
B. B+
C. AB+
D. O+
Which one of the following has its own light?
A. Moon
B. Planet
C. Asteroid
D. Star
Milk contains the fat-soluble vitamins A,D,E and _____.
A. Vitamin B
B. Vitamin C
C. Vitamin K
D. None of these
Study of Gases that are not in motion is called:
A. Aerostatics
B. Aerodynamics
C. Dynamics
D. Mechanics
Study of Grasses is called:
A. Melittology
B. Metrology
C. Arachnology
D. Agrostology
Study of Bees is called:
A. Melittology
B. Metrology
C. Arachnology
D. Agrostology
Water is also called a Universal ___
A. Reactor
B. Solution
C. Solute
D. Solvent
The term “Aqua” is a Latin word means ___
A. Fire
B. Water
C. Sand
D. Air
Any two colors when combine and gave us White is called ____.
A. Compulsory colour
B. Secondary colour
C. Tertiary colour
D. Complementary colour
“Yellow + Blue” give us ____ Color
A. Pink
B. Green
C. White
D. Grey
Which of the following prisms would be suitable for use in a periscope?
A. An isosceles right angled prism
B. An equilateral prism
C. An isosceles prism
D. None of these
What do you get when you add all of the additive colors together?
A. Black
B. White
C. Brown
D. Grey
A red tomato appears to be which under blue light?
A. Black
B. Red
C. Blue
D. Purple
The military applications of Doppler’s effect are:
A. Location of submarines
B. Control of anti-submarine weapons
C. Depth measurement of sea
D. All of these
Sonar is the name of technique or detecting the presence of objects under water by:
A. Eco-ranging
B. Eco-sounding
C. Eco-acoustical
D. All of these
In Hook’s law, K is the spring constant depending on the:
A. Dimensions of spring
B. Material of spring
C. Applied force
D. All of these
The planet which has longest year is:
A. Mercury
B. Venus
C. Earth
D. Neptune
The planet which has shortest year is
A. Mercury
B. Jupiter
C. Earth
D. Pluto
A light year is equal to:
A. 6 million, million km
B. 7,50 million, million km
C. 9.50 million, million km
D. 11 million, million km
Which type of vitamin is useful for human body through Sun?
A. Vitamin B12
B. Vitamin A
C. Vitamin D
D. None of these
Which of the following gas is used in Refrigerator for cooling?
A. Methane
B. Ammonia
C. Nitrogen
D. None of these
The waves which are used by the TV remote control are:
A. Infrared waves
B. Radio waves
C. TV waves
D. None of these
How much fluids per-day a man should use?
A. 2.7 liters
B. 3.7 liters
C. 4.7 liters
D. None of these
What is the most commonly used substance in fluorescent tubes?
A. Mercury oxide and neon
B. Sodium vapour and neon
C. Sodium oxide and argon
D. Mercury vapour and argon
Formation of Ozone hole is maximum over:
A. India
B. Europe
C. Antarctica
D. Africa
Saccharin is made up of:
A. Butane
B. Propane
C. Phenol
D. Toluene
Which is a natural colloid?
A. Urea
B. Blood
C. Cane-sugar
D. Sodium chloride
A liquid disturbed by stirring comes to rest due to:
A. Surface tension
B. Density
C. Viscosity
D. Centripetal force
In addition to hydrogen, the other abundant element present on the sun’s surface is:
A. Oxygen
B. Neon
C. Argon
D. Helium
Malaria is a disease caused by __
A. Fungi
B. Parasites
C. Bacteria
D. None of these
Beriberi occurs due to the deficiency of _____.
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D
Another name of Erythrocytes is ___
A. White Blood Cell
B. Platelets
C. Red Blood Cell
D. None of these
Asthma occurs due to ___
A. Air Pollution
B. Water Pollution
C. Land Pollution
D. None of these
Study of Spiders is called:
A. Melittology
B. Metrology
C. Arachnology
D. Agrostology
Study of earthquakes is called:
A. Melittology
B. Metrology
C. Otology
D. Seismology
Study of Ears is called:
A. Melittology
B. Ophthalmology
C. Otology
D. Agrostology
Study of Eyes is called:
A. Melittology
B. Ophthalmology
C. Otology
D. Agrostology
Study of Teaching Method is called:
A. Pedagogy
B. Education
C. Philosophy
D. Petrology
Red + Green give us ___ color
A. White
B. Yellow
C. Black
D. Orange
“Red+Blue+Green” give ___ Color
A. White
B. Black
C. Dark Red
D. Violet
Rainbow is produced by the ____ of light
A. Resonance
B. Refraction
C. Reflection
D. Dispersion
A dental plate clings to the roof of the mouth because:
A. Force of cohesion increases
B. Force of cohesion decreases
C. Force of adhesion increases
D. Force of adhesion decreases
An ice ball floats into a water tank, when the ice melts, the water level:
A. Rises
B. Does not change
C. Falls down
D. None of these
A hot body will radiate heat most rapidly if its surface is:
A. White and polished
B. White and rough
C. Black and polished
D. Black and rough
Hook’s law is defined as:
A. F and X are direct proportional
B. F and X are inverse proportional
C. F and X has no relation
D. None of these
Restoring force is the:
A. Opposing force
B. Frictional force
C. Elastic force
D. All of these
The vibrating bodies produce:
A. Sound
B. Waves
C. Disturbance
D. All of these
The restoring force is always directed towards the:
A. Initial position
B. Final positions
C. Rest position or mean position
D. All of these
The earth revolves around the sun at a speed of:
A. 18.5 km/sec
B. 26.6 km/sec
C. 29 km/sec
D. 31.9 km/sec
What is the rank of the earth in the solar system in terms of size?
A. Third
B. Fourth
C. Fifth
D. Sixth
The planet which has longest day is:
A. Mercury
B. Venus
C. Earth
D. Pluto
The life span of red blood cells in human is:
A. 120 days
B. 125 days
C. 130 days
D. None of these
To clean the ice from the roads during winter season, which of the following is used?
A. Chlorine
B. Salt
C. Iodine
D. None of these
The ____ gas is used to make soda water.
A. Hydrogen
B. Ammonia
C. Nitrogen
D. Carbon Dioxide
Which of the following metals form an amalgam with other metals?
A. Lead
B. Tin
C. Zinc
D. Mercury
Which compound is commonly used as an antiseptic in mouth washes and toothpaste?
A. Saltpeter
B. Sodium chloride
C. Borax
D. Hydrogen peroxide
Type metal used in printing press is an alloy of
A. Lead and copper
B. Lead and zinc
C. Lead and bismuth
D. Lead and antimony
Pitch of Sound depends on:
A. Amplitude
B. Frequency
C. Velocity
D. Intensity
Heat stored in water vapour is:
A. Latent heat
B. Relative heat
C. Absolute heat
D. Specific heat
The smallest structural and functional unit of nervous system is _____.
A. Nephron
B. Neuron
C. Dendrites
D. Cerebrum
Which of the following cannot be transplanted?
A. Liver
B. Kidney
C. Brain
D. None of these
Hydrophytes is associated with ___.
A. Benzene
B. Water
C. Gas
D. None of these
Study of Rocks is called:
A. Geography
B. Aerostatics
C. Geology
D. Petrology
Study of Heat is called:
A. Dynamics
B. Aerostatics
C. Acoustics
D. Thermodynamics
When Iron metal rust it form __
A. Hydrogen Gas
B. Carbon Dioxide
C. Sulphur Oxide
D. Iron Oxide
The big bang theory was presented by__
A. Georges Lemaître
B. Mayim Bialik
C. Edwin Hubble
D. Ralph Asher Alpher
According to big bang theory all Mater was concentrated in one ____ meter.
A. Milli
B. Micro
C. Nano
D. Macro
Ponds looks shallow because of:
A. Reflection
B. Refraction
C. Diffusion
D. Dispersion
Diffusion of light in atmosphere takes place due to:
A. Carbon dioxide
B. Dust particles
C. Helium
D. Water Vapour
Which suffers minimum deviation when white light undergoes dispersion?
A. Green
B. Red
C. Violet
D. Yellow
The body oscillates due to a:
A. Applied force
B. Restoring force
C. Frictional force
D. None of these
Oscillatory motion is a type of motion which is:
A. To and from
B. Vibratory motion
C. Periodic motions
D. All of these
Laser beam can be used for:
A. Wilding of detached retinas
B. Destroy tissues in a localized area
C. Sealed off capillaries for prevention of disease
D. All of these
The heaviest mass revolving round the Sun is:
A. Moon
B. Jupiter
C. Neptune
D. Pluto
What are ‘Red giants’?
A. Caucasians
B. Old stars
C. Young stars
D. None of these
‘Blue dwarfs’ refer to:
A. Caucasians
B. Young stars
C. Old stars
D. None of these
___ can lift weight about 50 times of its own weight.
A. A donkey
B. An Indian Horse
C. African Horse
D. An Ant
Which of the following happens in Oxidation reactions?
A. Electron is Gained
B. Electrons are Lost
C. Protons are Gained
D. Protons are Lost
In electro-refining, the pure metal depicted on:
A. Cathode
B. Anode
C. Vessel
D. Electrolyte
Which is not an anesthetic agent in surgical operations?
A. Ether
B. Chloroform
C. Acetone
D. Nitrous oxide
Sweat contains water and:
A. Vinegar
B. Salt
C. Lactic acid
D. Citric acid
Small bubbles are perfectly spherical because of:
A. Pressure
B. Viscosity
C. Gravity
D. Surface tension
The spreading of scent in a room follows the law of:
A. Convection
B. Radiation
C. Radioactivity
D. Diffusion
Sound travels fastest in:
A. Vacuum
B. Water
C. Steel
D. Air
Generally, plants take which gas at day time?
A. Carbon Dioxide
B. Carbon mono-oxide
C. Oxygen
D. Nitrogen
Which part of the donated eye is used by the recipient?
A. Cornea
B. Retina
C. Iris
D. None of these
Medicines used to kill weeds are known as:
A. Insecticides
B. Fungicide
C. Herbicides
D. None of these
Study of Sound is called:
A. Arachnology
B. Aerostatics
C. Acoustics
D. Seismology
Study of lights is called:
A. Herpetology
B. Optics
C. Petrology
D. Seismology
Study of Water is called:
A. Hydrology
B. Meteorology
C. Acoustics
D. Thermodynamics
__ observe that galaxy are not in stationery.
A. Edwin Hubble
B. Mark Stonnis
C. Carey Williams
D. Steve Anderson
Building blocks of the universe is called __
A. All of the below
B. Air
C. Sand
D. Galaxies
Clusters of billions of store called __
A. Stars
B. Sky
C. Galaxies
D. Both A and C
A Fuse is used to prevent __
A. control voltage
B. Shortage
C. Excess of current
D. All of these
The field in which Einstein won Nobel Prize
A. Biology
B. Mathematics
C. Physics
D. Education
Shooting star is another name for:
A. Comet
B. Meteor
C. Solar flare
D. Nebulae
Galaxies are usually classified on the basis of there:
A. Mass
B. Size
C. Shape
D. All of these
Laser can be used in the field of:
A. Polarization
B. Telecommunications
C. Radioactivity
D. None of these
LASER is the potential energy source used to inducing:
A. Fission reactions
B. Fusion reactions
C. Chemical reactions
D. None of these
Laser light is used to destroy the:
A. Cancerous cells
B. Pre-cancerous cells
C. Tissues
D. All of these
The comet, named after Edmund Halley, reappears after a time of every:
A. 36 years
B. 76 years
C. 55 years
D. 56 years
How many Satellites (Moons) of Saturn Planet?
A. 57
B. 66
C. 76
D. 82
Which planet contains largest quantity of carbon dioxide with 95%?
A. Earth
B. Jupiter
C. Venus
D. Mercury
One of the following is not the layer of the earth’s Globe?
A. Crust
B. Mantle
C. Core
D. Stratosphere
The Speed of Light in a Vacuum is:
A. 5000,282 Miles per Second
B. 100,000 Miles per Second
C. 186,282 Miles per Second
D. None of the Above
While going towards the center of the earth, the weight of a body shall:
A. Increase
B. Decrease
C. Remain Same
D. Be Infinite
Radiations which is not emitted during radioactivity is:
A. a rays
B. B rays
C. y rays
D. Cathode rays
The compound that has the least value for Octane number is:
A. n-heptane
B. Iso-octane
C. 2-methyl heptane
D. 2, 2-dimethyl hexane
The wire of flash bulbs is made up of:
A. Ba
B. Ag
C. Mg
D. Cu
Which of the following phenomenon produces the colors in soap bubbles?
A. Reflection
B. Diffraction
C. Dispersion
D. Interference
A well cut diamond shines brightly because:
A. It emits light
B. of total internal reflection
C. It has many reflecting surfaces
D. of irregular reflection
Cylindrical lens are used to correct:
A. Colour Blindness
B. Myopia
C. Astigmatism
D. Hypermetropia
Ultraviolet rays coming from the sun are filtered by?
A. Carbon dioxide
B. Ozone layer
C. Helium
D. None of these
The type of lens found in the human eye is:
A. Biconcave
B. Cylindrical
C. Biconvex
D. None of these
Water freeze in cold temperature conditions firstly at:
A. Below the surface
B. Top Surface
C. Tropical Region
D. None of these
Study of Weather is called:
A. Hydrology
B. Meteorology
C. Acoustics
D. Thermodynamics
Study of Plants is called:
A. Botany
B. Grasslogy
C. Zoology
D. Ornithology
Study of Animals is called:
A. Ophiology
B. Herpetology
C. Zoology
D. Ornithology
Fuse is connected in _____ in the electric circuit.
A. Parallel
B. Series
C. Perpendicular
D. opposite
Fuse work on the ____ of current.
A. Heating effect
B. Flow of charges
C. Flow of heat
D. None of these
Blood is an example of ______.
A. Circulation
B. Purification
C. Heating Effect
D. Suspension
Electromagnets are used in:
A. Electric bells
B. Telephones
C. Dynamos
D. All of above
Magnetite is a/an
A. Neutral magnet
B. Electromagnet
C. U-shaped magnet
D. None of these
Choose the source of energy which is different from others?
A. Biogas
B. Plants
C. Vegetable refuse
D. Crude oil
In which process, the photon emits to produce laser beam?
A. Induced absorption
B. Spontaneous emission
C. Induced emission
D. All of these
In LASER principle, a photon produce another photon by the process of:
A. Excitation
B. De-excite
C. Ionization
D. None of these
LASER is a beam of light which is:
A. Monochromatic
B. Coherent
C. Very Narrow
D. All of them
Name the first artificial satellite?
A. Sputnik I, of the former Soviet Union
B. Suez I, of the former Soviet Union
C. Apollo I, of the USA
D. Skylab, of the USA
Name the first animal to be sent in space?
A. Laika
B. Laitka
C. Dolly
D. Panda
When did the space age begin with the launch of the Russian Sputnik?
A. October 4, 1950
B. October 2, 1952
C. September 4, 1954
D. October 4, 1957
Which is the Green House Gas among the following?
A. Carbon Dioxide
B. Methane
C. Nitrous Oxide
D. All of these
Human heart has ___ chambers.
A. 5
B. 4
C. 3
D. 2
The disease that spreads through contact is called as:
A. Contiguous
B. Contagious
C. Continuous
D. Pandemic
Formula of the Magnetite is:
A. Fe3O4
B. Fe2O3
C. Fe Co3
D. 2Fe2O3.H2O
The degree of dissociation of an electrolyte depends on:
A. Atmospheric pressure
B. Dilution
C. Impurities
D. Method of dissolution
An example of heterocyclic compound is:
A. Furan
B. Benzene
C. Anthracene
D. Naphthalene
The image formed by a plane mirror is:
A. Real
B. Straight
C. Imaginary
D. Virtual
Which of the following liquid is most Viscous?
A. Milk
B. Water
C. Oil
D. Petrol
The colour of stars depends on their:
A. Radius
B. Atmospheric pressure
C. Temperature
D. Distance
Which part of the camera is just like to Retina of an eye?
A. Disk
B. Film
C. Lens
D. None of these
Sun is red at sunrise and sunset while white at noon due to ____.
A. Because of Refraction of Light
B. Because of Scattering of Light
C. Because of Reflection of Light
D. Because of a huge amount of Helium present in the Sun
Percentage of water in milk?
A. 70%
B. 87%
C. 93%
D. 95%
Study of Birds is called:
A. Ophiology
B. Herpetology
C. Astrobiology
D. Ornithology
Study of life in the universe is called:
A. Hydrology
B. Cosmology
C. Astrobiology
D. Geology
Study of Universe is called:
A. Cosmology
B. Astrobiology
C. Meteorology
D. GeoPhysics
Gasses necessary for burning and respiration is called _____.
A. Hydrogen
B. Nitrogen
C. Oxygen
D. Carbon Dioxide
Milk is the type of ___.
A. Rectification
B. Suspension
C. Saponofication
D. Dispersion
Plastic is a type of _____.
A. Polymer
B. Monomer
C. Suspension
D. None of these
The fuse wire is generally made of:
A. Silver
B. Copper
C. Tin-Lead Alloy
D. Silver & Copper
X-rays are useful for which cells?
A. Living cells
B. Damaged cells
C. Cancerous cells
D. None of these
Darkening of X-ray film is proportional to the:
A. Current
B. Voltage
C. Radiation exposure
D. None of these
X-Rays can penetrate into a solid matter for:
A. Some millimeter
B. Centimeter
C. Several centimeters
D. None of these
The energy of characteristic X-rays depends on the:
A. Wavelength
B. Target material
C. Frequency
D. None of these
The first ever artificial satellite was launched by:
A. Russia
B. France
C. Japan
D. America
Who was the first Saudi (first Muslim also) in space?
A. Rai Shaher Yar
B. Sheikh Muszaphar Shukor
C. Muhammad Faris
D. Sultan Salman Al Saud
Who was the first person in space?
A. Marc Garneau
B. Yang Liwei
C. Yuri Gagarin
D. None
Car batteries use __ that reacts with lead zirconate to generate electricity.
A. Sulfuric acid
B. Hydrochloric acid
C. Nitric acid
D. None of these
Which one is not a vestigial organ of a Human being?
A. Appendix
B. Coccyx
C. Eyelids
D. All of these
Work of Pituitary gland in Human body?
A. Controls several other hormone glands
B. Remove wastes and extra fluid
C. Maintaining blood pressure
D. None of these
Sulphuric acid is:
A. Tribasic
B. Dibasic
C. Monobasic
D. Tetrabasic
The filter over which sewage is sprinkled is called as:
A. Contact bed
B. Percolating filter
C. Trickling filter
D. Intermittent filter
Iodine value is used to estimate:
A. Alkali content in oil
B. Unsaturation in oil
C. Hydroxyl groups in oil
D. Carboxylic groups in oil
Shaving mirrors are __ mirror.
A. Plane
B. Concave
C. Convex
D. Parabolic
Tesla is a unit of magnetic:
A. Moment
B. Flux
C. Field
D. Induction
The phenomenon which causes mirage is:
A. Polarisation
B. Interference
C. Diffraction
D. Total internal reflection
Which one of the following is the major Ingredient of leather?
A. Carbohydrates
B. Collagen
C. Syntans
D. None of these
Glucose syrup is commonly made from:
A. Sugar Cane
B. Maize
C. Beetroot
D. None of these
Bamboo belongs to:
A. A weed family
B. A Herb family
C. A Grass family
D. None of these
Study of Cancer is called:
A. Cardiology
B. Oncology
C. Odontology
D. Ichthyology
Study of teeth is called:
A. Hepatology
B. Entomology
C. Odontology
D. Ethology
Study of animal behavior is called:
A. Hepatology
B. Entomology
C. Zoology
D. Ethology
A process in which Easter are converted into alcohol and soap are called ____.
A. Sanctification
B. Rectification
C. saoponification
D. Saponification
Ammonium Nitrate (Nh4No3) contain _____ percent of Nitrogen by mass.
A. 30%
B. 32%
C. 35%
D. 40%
Inner shell transition in X-Rays takes place in:
A. Lighter elements
B. Medium element
C. Heavy elements
D. None of these
Using spectroscopy the helium was identified in the:
A. Stars
B. Sun
C. Earth
D. None of these
When an electric current passes through atomic gas under reduced pressure, the spectra observed is
A. Continuous
B. Line
C. Band
D. None of these
Balmer series of hydrogen spectrum were identified by J.J. Balmer in:
A. 1882
B. 1888
C. 1885
D. 1896
Which is the US space shuttle?
A. Colombia
B. Discovery
C. Apollo – II
D. Both A& B
Hubble is a (launched in 1990)
A. Rocket name
B. Space station
C. Space telescope
D. Microscope
The planet which revolves very slowly around the sun is:
A. Neptune
B. Jupiter
C. Mars
D. None of these
How many planets are present in our galaxy?
A. 9
B. 8
C. 10
D. 11
Sun rises in the east and sets in the west due to the:
A. Shape of the Earth
B. Rotation of the Earth around the Sun
C. Rotation of the Earth on its axis
D. Movement of the Sun
The largest cell in Human Body is:
A. Ovum
B. Mycoplasma
C. Nerve
D. None of these
The Earth rotates while Sun is:
A. Rotating
B. Stationary
C. Half Rotate
D. None of these
Normal Human body temperature 98.6f corresponds to:
A. 33°C
B. 34°C
C. 36°C
D. 37°C
Color of skin is due to:
A. Elastin
B. Melanin
C. Glutathione
D. Methionine
What is the composition of the Male Chromosome?
A. XY
B. XX
C. YY
D. YX
Benzene cannot undergo:
A. Oxidation reaction
B. Substitution reaction
C. Addition reaction
D. Elimination reaction
Radioactive elements emit:
A. Ultraviolet waves
B. Infrared waves
C. Radio waves
D. a, B, y radiations
The manufacture of iron from iron ore involves the process of:
A. Oxidation
B. Reduction
C. Electrolysis
D. Fractional distillation
The function of sedimentation tank in Sewage treatment is to:
A. Aerate the sewage
B. Remove water content
C. Disinfect the sewage
D. Remove suspended solids
If lime water is kept in the air, it turns milky due to presence of:
A. Nitrogen
B. Oxygen
C. Sulphur dioxide
D. Carbon dioxide
Which types of mirror is used in the head lights of vehicles?
A. Plane mirror
B. Concave mirror
C. Parabolic mirror
D. Convex mirror
Electric current in a metal wire is due to the flow of:
A. Ions
B. Protons
C. Holes
D. Electrons
Which processes is used for the production of Biodiesel?
A. Translation
B. Transcription
C. Transamination
D. Transesterification
Wood Spirit is known as:
A. Ethyl alcohol
B. Butyl alcohol
C. Methyl alcohol
D. Propyl alcohol
A powerful eye irritant present in smog is:
A. Carbon dioxide
B. Sulphur dioxide
C. Nitric oxide
D. Peroxyacetyl nitrate
Electricity is transmitted over long distance because:
A. It is safer
B. It is fast
C. It is cheaper
D. There is less wastage of energy
A multimeter is used to measure:
A. Voltage
B. Resistance
C. Current
D. All of these
____ can help Bats to fly in the dark.
A. Electromagnetic waves
B. Ultrasonic waves
C. Ultra Violet waves
D. None of these
Fibula is a bone found in one of the following parts of the human body.
A. Arm
B. Leg
C. Skull
D. None of these
Which is the most sensitive part of eye?
A. Retina
B. Cornea
C. Pupil
D. Lens
The air becomes headed by:
A. Convection
B. Isolation
C. Radiation
D. Conduction
Which is associated with the Doppler effect?
A. Heat
B. Light
C. Magnesium
D. Sound
The total energy of revolving electron in an atom:
A. Can never be positive
B. Will always be positive
C. Can have any value above zero
D. Cannot be negative
Lipid-rich component of bacterial cell are:
A. Capsule
B. Cell Wall
C. Cell membrane
D. None of these
Taj Mahal is greatly affected due to:
A. Sound pollution
B. Deforestation
C. Acid rain
D. Tourists
The genetic information of bacteria is stored in _____, in one circular chromosome.
A. DNA
B. RNA
C. Protein
D. None of these
Because penicillin prevents peptidoglycan synthesis, it is more effective on ___ cells.
A. Gram Positive
B. Gram Negative
C. Acid Fast
D. All of these
Study of ideas and issues is called:
A. Oncology
B. Cosmology
C. Psychology
D. Philosophy
Study of Human social relationship is called:
A. Phycology
B. Sociology
C. Psychology
D. Philosophy
Scientific study of mind and behavior is called
A. Phycology
B. Sociology
C. Psychology
D. Philosophy
Miscible liquids that have different boiling points can be separated by:
A. Filtration
B. Decanting
C. Distillation
D. None of these
Study of Algae is called:
A. Phycology
B. Odontology
C. Microbiology
D. Histology
Scientific study of genes and heredity is called
A. Astrobiology
B. Genetics
C. Microbiology
D. Histology
Microscopic study of tissues and cells is called
A. Astrobiology
B. Entomology
C. Microbiology
D. Histology
Note: All these Everyday Science MCQs were particularly published for the preparation of competitive exams and jobs test Everyday Science portion.