Multiple Choice Questions

Everyday Science

Q: How many major gases have been used in refrigerators since its invention?
A) 2
B) 3
C) 4
D) 5
Q: Which of the following phenomena of light are involved in the formation of a rainbow?
A) Refraction
B) Dispersion
C) Total internal reflection
D)  All of the above
Q: Pluto is known as dwarf planet because which of the following reason/s:
A)  It has negligible mass
B)  It has not nearly round shaped
C)  It does not have always same neighbouring planet
D) All of the above
Q: Which is the New & Most Important Culprit damaging the ozone Layer?
A) Carbon Dioxide
B)  Chlorofluoro Carbons
C) Nitrous Oxide 
D)  Carbon Monoxide
Q: According to Quark theory, there are _________ elementary particles.
A)  Three
B) Six
C) Nine
D) Ten
Q: What is the chemical name of Oil of Vitriol?
A)  Hydrochloric Acid
B) Sulphuric Acid
C)  Nitric Acid
D) Muriatic Acid
Q: Water is a good solvent of ionic salts because:
A)  It has a high specific heat
B) It has no colour
C)  It has a high dipole moment
D)  None of these
Q: The main constituent of Pearls are: ______________?
A) Calcium oxide &Ammonium Chloride
B)  Calcium Carbonate &Magnesium Carbonate
C)  Aragonite & Conchiolin
D) None of these
Q: LPG consists mainly of : ___________?
A)  Methane, Ethane & Hexane
B) Ethane, Hexane & Nonane
C)  Methane, Butane & Propane
D) All of these
Q: In fireworks, the green flame is produced because of __________?
A) Sodium
B) Barium
C) Mercury
D) Potassium
Q: Permanent hardness of water can be removed by adding __________?
A) Chlorine
B)  Washing soda
C) Bleaching powder
D)  None of these
Q: The two elements that are frequently used for making transistors are :
A) Boron and aluminium
B) Silicon and Germanium
C) Iridium and Tungsten
D) None of these
Q: Which of the following was first to be discovered in the chromospheres of the sun?
A) Krypton
B) Xenon
C) Neon
D) Helium
Q: In the northern hemisphere, the wind blowing from the Horse Latitudes to the doldrums is called:
A) Westerly wind
B) Trade wind
C) Polar wind
D) None of these
Q: The lowest layer of atmosphere is known as:
A) Stratosphere
B) Troposphere
C) Mesosphere
D) None of these
Q: Which of the following has the highest wind velocity?
A) Loo
B) Tornado
C) Cyclone
D) Typhon
Q: The chemically inactive gas present in the atmosphere is:
A) Water vapours
B) Nitrogen
C) Typhoon
D) Hurricane
Q: The instrument used for measuring air pressure:
A) Nanometer
B) Barometer
C) Hygrometer
D) Thermometer
Q: Which of the following terms denotes the atmospheric level at which the decrease of temperature with height ceases to prevail?
A) Troposphere
B) Tropopause
C) Stratosphere
D) None of these
Q: The layer of the atmosphere which provides ideal conditions for flying a jet Aeroplane is:
A) Stratosphere
B) Ionosphere
C) Mesosphere
D) None of these
Q: In the northern hemisphere, the winds are deflected:
A) To the left
B) To the right
C) Upwards
D) Downwards
Q: Winds blow:
A) In regions of low pressure
B) From a region of high pressure to a region of low pressure
C) From a region of low pressure to a region of high pressure
D) None of these
Q: Anticyclones are so called because:
A) They move in a direction opposite to that of cyclones
B) They have no pressure gradient
C) They destroy the cyclonic conditions
D) None of these
Q: Oxygen in the upper atmosphere is converted into:
A) Hydrogen
B) Ozone
C) Nitrogen
D) CO₂
Q: The typhoons are more frequently experienced in:
A) The North Sea
B) Philippines Island
C) West Indies Islands
D) None of these
Q: In North America, the hot dry winds that blow on eastern side of the rocky mountains are called:
A) Foehn
B) Loo
C) Chinook
D) Sirocco
Q: Which of the following is the uppermost layer of the atmosphere?
A) Stratosphere
B) Exosphere
C) Mesosphere
D) None of these
Q: Storm accompanied by strong winds revolving round a center of atmospheric low pressure is known as:
A) Blizzard
B) Cyclone
C) Chinook
D) Gale
Q: The proportion of nitrogen in dry air is:
A) 78% by volume
B) 20% by volume
C) 70% by weight
D) 25% by weight
Q: What is the main cause of the movement in the earth's atmosphere?
A) Difference in air pressure
B) Solar energy
C) Difference in temperature
D) Wind
Q: The unit for measurement of atmospheric pressure is:
A) Grams per cubic meter
B) Kilometer per hour
C) Millimeters
D) Kilogram per square meter
Q: The horse latitudes are:
A) The regions of calm and light variable winds
B) The regions lying between 5º N and 5º S
C) The regions of low atmospheric pressure
D) None of these
Q: Which of the following gases in the atmosphere provides a shield against a harmful ultraviolet ray of the sun?
A) Carbon monoxide
B) Ozone
C) Oxygen
D) Nitrogen
Q: The center of cyclone is called:
A) Apex
B) Eye
C) Vertex
D) Focus
Q: The sea breeze blows during:
A) Day from land to sea
B) Day from sea to land
C) Night from land to sea
D) Night from sea to land
Q: The tropical cyclones of the Bay of Bengal are usually called:
A) Tornadoes
B) Depressions
C) Typhoons
D) None of these
Q: The percentage of oxygen in the atmospheric oxygen is approximately:
A) 10.95%
B) 20.95%
C) 30.95%
D) 50,95%
Q: The amount of actual water vapors of air is known as:
A) Dew point
B) Absolute humidity
C) Relative humidity
D) Condensation point
Q: Anemometer is an instrument used to:
A) Find the wind direction
B) Measure wind speed
C) Measure humidity
D) Measure low pressure
Q: Clouds with vertical development are known as:
A) Circus
B) Cirrocumulus
C) Stratums
D) None of these
Q: The primary rainbow has an angular radius of:
A) 42º
B) 23.5º
C) 30.5º
D) 50.5º
Q: The instrument used for measuring relative humidity in air is:
A) Pentameter
B) Hygrometer
C) Hydrometer
D) Barometer
Q: Which of the following is not a form of precipitation?
A) Rainfall
B) Waterfall
C) Dew
D) Fog
Q: Clear nights are colder than cloudy nights because of:
A) Precipitation
B) Radiation
C) Insolation
D) Condensation
Q: A sudden fall in the barometric reading indicates:
A) Rainfall
B) Storm
C) Fine weather
D) Extreme cold
Q: The formation of fog occurs when:
A) Moist air meets cold surface of the earth
B) Cool air blows over warm water
C) Warm air meets cold surface
D) None of these
Q: Hailstorm occurs in summer season due to the formation of clouds called:
A) Cumulus
B) Cumulonimbus
C) Cirrus
D) None of these
Q: The dense mass of small water drops on smoke or dust particles in the lower layers of the atmosphere is:
A) Hail
B) Frost
C) Smog
D) Fog
Q: Which cloud is known a high cloud?
A) Cirrus
B) Stratus
C) Nimbus
D) Cumulus
Q: Which of the following clouds is made up of tiny ice particles?
A) Cumulus clouds
B) Cirrus clouds
C) Stratus clouds
D) None of these

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