General knowledge for PPSC and CSS Every day science..........

General knowledge for PPSC and CSS
Every day science..........
Number of bones - 206
Number of muscles - 639
Number of kidneys - 2
Number of milk teeth - 20
Number of ribs - 24 (12 pairs)
Number of chambers in the heart - 4
Largest artery - Aorta
Normal Blood pressure - 120 - 80
Ph of blood - 7.4
Number of vertebrae in the spine - 33
Number of vertebrae in the Neck - 7
No of bones in middle Ear - 6
Number of bones in Face - 14
Number of bones in Skull - 22
Number of bones in Chest - 25
Number of bones in Arms - 6
Number of bones in each human middle ear - 3
Number of muscles in the human arm - 72
Number of pumps in heart - 2
Largest organ - Skin
Largest gland - Liver
Smallest cell - Blood cell
Biggest cell - Egg cell (ovum)
Smallest bone - Stapes
First transplanted organ - Heart
Average length of small intestine - 7 m
Average length of large intestine - 1.5 m
Average weight of new born baby - 2.6 kg.
Pulse rate in one minute - 72 times
Body Temperature - 36.9o C (98.4o F)
Average blood volume - 4 - 5 liters
Average life of RBC - 120 days
Pregnancy period - 280 days
Number of bones in human foot - 33
Number of bones in each wrist - 8
Number of bones in hand - 27
Largest endocrine gland - Thyroid
Largest lymphatic organ - Spleen
Largest cell - Nerve cell
Largest part of brain - Cerebrum
Largest & strongest bone - Femur
Smallest muscle - Stapedius (Middle ear )
Number of chromosomes in human cell - 46 (23
pairs)
Number of bones in New born body - 300
Largest muscle - Buttock (Gluteus Maximus)
Everyday Science Mcqs Units of Measurment
1 horse power is 745.7 watts
• 1 horse power = work equal to lifting 550 lbs of
weight to one foot for one second
• 1 calorie is equal to 4.2 Joules
• 1 barrel is equal to 159 liters
• 6 feet = 1 fathom
• 1 kwh = 3.6 x 10 power 6 joules
• A 100 watt bulb lights for 1 hour uses 100 watt
hour of electricity
• -273 degree centigrade is called absolute zero
temperature.
• Standard pressure is 760 mm or 14.7 lb/in2
• Gross is equal to 12 dozens
• Mach 2 = 500 miles per hour
• 1 nautical mile = 1825 meters
• Unit of pressure is Pascal
• Force is measured in Newton (SI), Dyne (CGS)
• At -40 deg F Fahrenheit scale is equal to
centigrade scale
• Hertz and Angstrom are units of frequency
• Units of work and energy are Joule and Erg
(CGS)
• Diopter is unit of power of lens
• Unit is density is kg/m3
• Unit of power is watt, BTU (Board of Trade
Unit)
• Unit of electric charge is Coulomb
• Unit of voltage is volt
• Unit of electric resistance is ohm
• Unit of capacitance is Farad
• Unit of magnetic flux is Weber, Tesla
• Unit of radio activity is Becquerel
• Unit of luminous intensity is candle, lux
• Unit of crude oil is Barrel
• Unit of volume of water is cusec, cubic/sec
• Unit of admittance is Mho
• Unit of intensity or loudness of sound is bel
• Unit of viscosity is Poise
• Unit of flight speed is Mach I
• Unit of atmospheric pressure is milli bar
• Unit of wave length of light is Angstrom
• Unit of energy is Electron volt
• Unit of brightness is Lambert
• Unit of luminous flux is Lumen
• Intensity of illumination or unit of luminosity is
Lux, Candela and Candle power
• Unit of magnetic pole strength is Weber
• Unit of RAD (Radiation Absorbed Dose) is Gray
• Unit of Electric Current is Ampere
• Unit of inductance is Henry
• Unit of conductance is siemens.
• Unit of heat is Joule, Calorie, BTU (British
Thermal Unit)
• Radio activity is measured in currie
• Rutherford : strength of radioactivity
• Torr: pressure
• Fermi : length [A unit of length equal to one
femtometer (10-15 meter)]
• Sved berg unit:sedimentation rate
• Dioptre: power of lense
• Mho : conductivity
• Henry: inductance
• Maxwell: magnetic flux
• Becquerel: radioactivity
• Kilo watt hour: power
• Coulomb: unit of electrical charge
• Weber: unit of magnetic flux
• Tesla: unit of magnetic flux density
• Siemen: unit of conductance
• Rutherford: unit of rate of decay of radioactive
material
• Faraday: unit of electric charge
• Angstrom: unit of length, used especially to
specify radiation wavelengths
• Parsec: unit of astronomical length
• Degree: unit of measurement of an angle
• Steradian: Unit of solid angle measurement
• Dyne is a unit of Force.
• SI unit of pressure is Pascal.
• Curie is a unit of : radioactivity
• Pascal Sound Pressure
• Torr Pressure
• Curie Intensity of radioactivity
• Angstrom Unit of length
• Light year The distance light travels in a year
• Dioptre Lens refractive power
• Horse power Unit of Power
• Radian Unit of angular measure
• Candela Unit of luminous intensity
• Mole unit of amount of substance
• What is measured in units called phon- Sound
192
• What is measured in grains – four grains to a
carat- Pearls
• Unit of electromotive force in Volt.
• What is the SI unit of illumination -Lux
• Gross is equal to 12 dozen.
• Ozone is measured in percent age.
• An object traveling at Mach 2 is traveling
approximately at 500 mph.(chk)
• What is measured on the Gay-Lussac scale:
Alcohol strength
• Chronometer is used to measure… time
• Anemometer is used to measure… Wind Speed
• The clusec is the unit measuring the power of
what Vacuum pumps
• One million cycles per second is called
Megahertz.
• 0.200 grams are equal to one carat.
• Voltammeter is an electrolytic cell for
conducting electrolytic dissociation of
electrolyte.
• 8 furlongs make one mile.
• A billion contain 1000 million. It has 9 zeroes.
Similarly a trillion has 12 zeroes,a quadrillion 15
zeroes,a quintillion 18 zeroes and a decillion 33
zeroes.
• One inch is equal to 2.5400 cms and one mile
is equal to 1.6093 kms.
• One micron is equal to One-thousandth of a
millimeter.
• 2.47105 acres is equal to what SI unit-Hectare
• What word describes one tenth of a nautical
mile-Cable
• What is measured on the Torro scale -Tornados
• unit of sound named after- Alexander Graham
Bell – Decibel
• The density Smoke is measured on the
Rngelmann scale-
• Unit of electromotive force in Volt.
• Power is measured in Watts (w).
• Resistance was discovered by Girge Ohm in
1826, and is measured in ohms.
• Electricity does not flow through a circuit by
itself. It needs a ‘push’, or energy, to keep it
moving. We call this energy the voltage of the
circuit. Voltage is measured in volts (v).
• The German scientist George Ohm (1787-1854)
is best remembered for working out ohm’s law.
He discovered that they voltage across a
conductor such as a trip of metal or a wire – and
the current following through it always vary in
the same proportion. So if you double the
voltage, you double the current. This is incredibly
useful; because it lets you predict the current
you will get for a particular voltage.
• The thickness of silk is measured in what-
Denier
• Ohm’s law does not apply to semiconductors
and conductors when there is change in
temperature.
• In our houses we get 220 V a.c. The value of
220 V represents the effective voltage.
• One unit of electric power is consumed when
10 A of current flows for 1 hour at 100 V. 1 Unit
= 1 kw hr = 1000 w hr = 100 x 10 x 1 hr
• If the same note is played on a flute and a
sitar, one can still distirguish b/w them because
they differ in quality.
• A negatively charged glass rod has always less
protons than electrons.
• The wavelength of the X-rays is of the order of
0.1 nanometer.
• Red, green and blue are known as primary
colours. These are colours which cannot be
produced by mixing with other colours.
• Scattering of light ___ the duration of the day
(make)
• Oil rises in a wick of oil lamp on account of a
property of matter called Capillary Action
• a primary cell can ___ be charged again (not)
• When a person can see nearer objects but not
the distant ones he is said to be suffering from :
nearsightedness (myopia)
• ATP is a molecule containing high energy
bonds.
• An example of inorganic compound is carbon
monoxide.
• The time period of a pendulum on moon
increases.
• Clinical thermometer usually measures in
Fahrenheit.
• Tube light emits radiation even after it is
disconnected. It is due to Fluorescence.
• Shortsightedness can be corrected with the use
of Concave.
• Rectifier converts AC into DC
• Atomic weight of chemical compounds is
determined by Mass spectroscopy.
• Atomic pile is a place where nuclear fission is
made.
• Drinker’s apparatus is for measuring the
amount of Alcohol in the blood.
• Dewar’s flask is called as thermos.
•
• The conversion of gases into liquid under high
pressure and low temperature is called
regulation.
• If a green leaf is seen in a red light its color
will be black.
• Emerge of VIBGYOR from one side of the
prism is due to refraction and dispersion of light.
• Oxidation is the process in which electron is
lost.
• Half-time is a time of radioactive substance
taken by that substance to decompose
radioactivity to half of its weight.
• Light energy is stored in the form of chemical
energy due to the activity of Chloroplast.
• Sunlight is composed of seven colours
• Oil rises in a wick of oil lamp on account of a
property of matter called Capillary Action
• What is a Fata Morgana- Type of Mirage
•
• Freon-trademark for any of a number of
chemical compounds containing fluorine, and
often chlorine or bromine. Use: as solvents, as
aerosol propellants, in refrigeration. It is
commonly used in refrigerator.Every day science..........
Number of bones - 206
Number of muscles - 639
Number of kidneys - 2
Number of milk teeth - 20
Number of ribs - 24 (12 pairs)
Number of chambers in the heart - 4
Largest artery - Aorta
Normal Blood pressure - 120 - 80
Ph of blood - 7.4
Number of vertebrae in the spine - 33
Number of vertebrae in the Neck - 7
No of bones in middle Ear - 6
Number of bones in Face - 14
Number of bones in Skull - 22
Number of bones in Chest - 25
Number of bones in Arms - 6
Number of bones in each human middle ear - 3
Number of muscles in the human arm - 72
Number of pumps in heart - 2
Largest organ - Skin
Largest gland - Liver
Smallest cell - Blood cell
Biggest cell - Egg cell (ovum)
Smallest bone - Stapes
First transplanted organ - Heart
Average length of small intestine - 7 m
Average length of large intestine - 1.5 m
Average weight of new born baby - 2.6 kg.
Pulse rate in one minute - 72 times
Body Temperature - 36.9o C (98.4o F)
Average blood volume - 4 - 5 liters
Average life of RBC - 120 days
Pregnancy period - 280 days
Number of bones in human foot - 33
Number of bones in each wrist - 8
Number of bones in hand - 27
Largest endocrine gland - Thyroid
Largest lymphatic organ - Spleen
Largest cell - Nerve cell
Largest part of brain - Cerebrum
Largest & strongest bone - Femur
Smallest muscle - Stapedius (Middle ear )
Number of chromosomes in human cell - 46 (23
pairs)
Number of bones in New born body - 300
Largest muscle - Buttock (Gluteus Maximus)
Everyday Science Mcqs Units of Measurment
1 horse power is 745.7 watts
• 1 horse power = work equal to lifting 550 lbs of
weight to one foot for one second
• 1 calorie is equal to 4.2 Joules
• 1 barrel is equal to 159 liters
• 6 feet = 1 fathom
• 1 kwh = 3.6 x 10 power 6 joules
• A 100 watt bulb lights for 1 hour uses 100 watt
hour of electricity
• -273 degree centigrade is called absolute zero
temperature.
• Standard pressure is 760 mm or 14.7 lb/in2
• Gross is equal to 12 dozens
• Mach 2 = 500 miles per hour
• 1 nautical mile = 1825 meters
• Unit of pressure is Pascal
• Force is measured in Newton (SI), Dyne (CGS)
• At -40 deg F Fahrenheit scale is equal to
centigrade scale
• Hertz and Angstrom are units of frequency
• Units of work and energy are Joule and Erg
(CGS)
• Diopter is unit of power of lens
• Unit is density is kg/m3
• Unit of power is watt, BTU (Board of Trade
Unit)
• Unit of electric charge is Coulomb
• Unit of voltage is volt
• Unit of electric resistance is ohm
• Unit of capacitance is Farad
• Unit of magnetic flux is Weber, Tesla
• Unit of radio activity is Becquerel
• Unit of luminous intensity is candle, lux
• Unit of crude oil is Barrel
• Unit of volume of water is cusec, cubic/sec
• Unit of admittance is Mho
• Unit of intensity or loudness of sound is bel
• Unit of viscosity is Poise
• Unit of flight speed is Mach I
• Unit of atmospheric pressure is milli bar
• Unit of wave length of light is Angstrom
• Unit of energy is Electron volt
• Unit of brightness is Lambert
• Unit of luminous flux is Lumen
• Intensity of illumination or unit of luminosity is
Lux, Candela and Candle power
• Unit of magnetic pole strength is Weber
• Unit of RAD (Radiation Absorbed Dose) is Gray
• Unit of Electric Current is Ampere
• Unit of inductance is Henry
• Unit of conductance is siemens.
• Unit of heat is Joule, Calorie, BTU (British
Thermal Unit)
• Radio activity is measured in currie
• Rutherford : strength of radioactivity
• Torr: pressure
• Fermi : length [A unit of length equal to one
femtometer (10-15 meter)]
• Sved berg unit:sedimentation rate
• Dioptre: power of lense
• Mho : conductivity
• Henry: inductance
• Maxwell: magnetic flux
• Becquerel: radioactivity
• Kilo watt hour: power
• Coulomb: unit of electrical charge
• Weber: unit of magnetic flux
• Tesla: unit of magnetic flux density
• Siemen: unit of conductance
• Rutherford: unit of rate of decay of radioactive
material
• Faraday: unit of electric charge
• Angstrom: unit of length, used especially to
specify radiation wavelengths
• Parsec: unit of astronomical length
• Degree: unit of measurement of an angle
• Steradian: Unit of solid angle measurement
• Dyne is a unit of Force.
• SI unit of pressure is Pascal.
• Curie is a unit of : radioactivity
• Pascal Sound Pressure
• Torr Pressure
• Curie Intensity of radioactivity
• Angstrom Unit of length
• Light year The distance light travels in a year
• Dioptre Lens refractive power
• Horse power Unit of Power
• Radian Unit of angular measure
• Candela Unit of luminous intensity
• Mole unit of amount of substance
• What is measured in units called phon- Sound
192
• What is measured in grains – four grains to a
carat- Pearls
• Unit of electromotive force in Volt.
• What is the SI unit of illumination -Lux
• Gross is equal to 12 dozen.
• Ozone is measured in percent age.
• An object traveling at Mach 2 is traveling
approximately at 500 mph.(chk)
• What is measured on the Gay-Lussac scale:
Alcohol strength
• Chronometer is used to measure… time
• Anemometer is used to measure… Wind Speed
• The clusec is the unit measuring the power of
what Vacuum pumps
• One million cycles per second is called
Megahertz.
• 0.200 grams are equal to one carat.
• Voltammeter is an electrolytic cell for
conducting electrolytic dissociation of
electrolyte.
• 8 furlongs make one mile.
• A billion contain 1000 million. It has 9 zeroes.
Similarly a trillion has 12 zeroes,a quadrillion 15
zeroes,a quintillion 18 zeroes and a decillion 33
zeroes.
• One inch is equal to 2.5400 cms and one mile
is equal to 1.6093 kms.
• One micron is equal to One-thousandth of a
millimeter.
• 2.47105 acres is equal to what SI unit-Hectare
• What word describes one tenth of a nautical
mile-Cable
• What is measured on the Torro scale -Tornados
• unit of sound named after- Alexander Graham
Bell – Decibel
• The density Smoke is measured on the
Rngelmann scale-
• Unit of electromotive force in Volt.
• Power is measured in Watts (w).
• Resistance was discovered by Girge Ohm in
1826, and is measured in ohms.
• Electricity does not flow through a circuit by
itself. It needs a ‘push’, or energy, to keep it
moving. We call this energy the voltage of the
circuit. Voltage is measured in volts (v).
• The German scientist George Ohm (1787-1854)
is best remembered for working out ohm’s law.
He discovered that they voltage across a
conductor such as a trip of metal or a wire – and
the current following through it always vary in
the same proportion. So if you double the
voltage, you double the current. This is incredibly
useful; because it lets you predict the current
you will get for a particular voltage.
• The thickness of silk is measured in what-
Denier
• Ohm’s law does not apply to semiconductors
and conductors when there is change in
temperature.
• In our houses we get 220 V a.c. The value of
220 V represents the effective voltage.
• One unit of electric power is consumed when
10 A of current flows for 1 hour at 100 V. 1 Unit
= 1 kw hr = 1000 w hr = 100 x 10 x 1 hr
• If the same note is played on a flute and a
sitar, one can still distirguish b/w them because
they differ in quality.
• A negatively charged glass rod has always less
protons than electrons.
• The wavelength of the X-rays is of the order of
0.1 nanometer.
• Red, green and blue are known as primary
colours. These are colours which cannot be
produced by mixing with other colours.
• Scattering of light ___ the duration of the day
(make)
• Oil rises in a wick of oil lamp on account of a
property of matter called Capillary Action
• a primary cell can ___ be charged again (not)
• When a person can see nearer objects but not
the distant ones he is said to be suffering from :
nearsightedness (myopia)
• ATP is a molecule containing high energy
bonds.
• An example of inorganic compound is carbon
monoxide.
• The time period of a pendulum on moon
increases.
• Clinical thermometer usually measures in
Fahrenheit.
• Tube light emits radiation even after it is
disconnected. It is due to Fluorescence.
• Shortsightedness can be corrected with the use
of Concave.
• Rectifier converts AC into DC
• Atomic weight of chemical compounds is
determined by Mass spectroscopy.
• Atomic pile is a place where nuclear fission is
made.
• Drinker’s apparatus is for measuring the
amount of Alcohol in the blood.
• Dewar’s flask is called as thermos.
•
• The conversion of gases into liquid under high
pressure and low temperature is called
regulation.
• If a green leaf is seen in a red light its color
will be black.
• Emerge of VIBGYOR from one side of the
prism is due to refraction and dispersion of light.
• Oxidation is the process in which electron is
lost.
• Half-time is a time of radioactive substance
taken by that substance to decompose
radioactivity to half of its weight.
• Light energy is stored in the form of chemical
energy due to the activity of Chloroplast.
• Sunlight is composed of seven colours
• Oil rises in a wick of oil lamp on account of a
property of matter called Capillary Action
• What is a Fata Morgana- Type of Mirage
•
• Freon-trademark for any of a number of
chemical compounds containing fluorine, and
often chlorine or bromine. Use: as solvents, as
aerosol propellants, in refrigeration. It is
commonly used in refrigerator.


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