Home History Geography Maths Question MCQ Science
Welcome, Guest

General Science Information

Scientific Instruments



 Measure the Altitude


 Measure the Current in a circuit


 Measure Wind speed


 Measures heat radiation.


 for measuring the growth in plants


 used to get a deep look inside the body


 Measures the depth of the Ocean.


 Records physiological movements (Blood pressure and Heart beat.)


 Determine Purity of Milk.


 Measures the pressure of Gases.


 for producing Sound.


  Measures very high temperature.


 Measures the amount of sugar in the solution.


 view two dimentional pictures.


 used to listen to the heart and lungs.


 Measures speeds of aeroplanes and motor boats.


 Views distant objects.


 Measures horizontl and vertica angles.


 Measures temperatures.


 Measures the viscosity of liquids.


 Measures the potential difference between two points.


 Measures Blood pressure.

Unit of Measurement











  Pascal or Newton/sq. metre






 Newton or Kilogram






 Electric current


 Electric energy


 Kilo watt hour
 Magnetic intensity




 Magnetic induction


 Luminous flux


 Intensity of sound




 Cubic metre
 Power of lens


 Depth of sea



Invention and Inventor



 Wright brothers
 Air conditioning


 Artificial Heart


 Willem Kolff
 Atomic bomb


 Robert Oppenheimer
 Atomic number


 Atomic theory


 Ball-point pen


 John J. Loud






 Alfred Nobel


 Michael Faraday
 Evalution Theory


 Charles Darwin


 Alexander Fleming
 Printing Press


 xJ. Gutenberg


 Marie and Pierre Curie


 Alexander Graham Bell


  John Logie Baird


 Daniel Gabriel Fahrenheit


 W. Roentgen

Chemical name of Compounds

 Dry Ice


 Solid Carbondioxide
 Quick Lime


 Calcium Oxide
 Plaster of Paris


 Calcium Sulphate
 Marsh Gas




  Acetic Acid


 Sodium Thiosulphate
 Baking Powder


 Sodium Bicarbonate
 Washing Soda


 Sodium Carbonate


 Magnesium Oxide


 Calcium Carbonate
 Lunar Caustic


 Silver Nitrate
 Laughing Gas


 Nitrious Oxide


 Trichloro Methane


 Mercuric Sulphide




 Ethyl Alcohol
 Heavy Water


 Duterium Oxide




 Tri Nitrotoluene


 Silicon Oxide
 Bleaching Powder


 Calcium Oxychloride

Ores of Metals



 Bauxite, Corundum


 Haematite, Magnetite, Lemonite, Siderite


 Calaverite, Silvenites






 sphalerite (zinc blende)




 Cu, Zn


 Cu, Sn
 German Silver


 Cu, Zn, Ni


 Mg, Al
 Rolled Gold


  Cu, Ni
 Monel metal


 Cu, Ni
 Bell metal


 Cu, Sn
 Gun metal


 Cu, Zn, Sn


 Sn, Pb


 Al, Cu, Mg, Mn


 Fe, C
 Stainless Steel


 Fe, Cr, Ni

Facts of Human Body

 Longest bone


 Femur ( Thigh bone )
 Smallest bone


  Stapes ( Ear ossicle )
 Normal Blood Pressure


 120/80 mm Hg
 Life span of RBC


 120 days
 Life span of WBC


  3-4 days


 In Male: 14-15.6 gm/150 cc of blood


 In Female: 11-14 gm/150 cc of blood
 Universal Blood doner


 O Rh -ve
 Universal Blood recipient


 Blood clotting time


 2-5 minutes
 Normal body temperature


 98°.4 F or 37° C
 Breathing rate


 Dental formula


 Adult: 2123/2123 = 32, Child: 2120/2120 = 22 milk teeth
 No. of Cranial Nerves


 12 pairs
 No. of Spinal Nerves


 31 pairs
 Largest endocrine gland


 Normal Heart beat


 Largest Gland


 Largest muscle in the body


 Gluteus maximus (Buttock muscle)
 Smallest muscle in the body


 Stapedius ( Ear muscle )
 Longest nerve


 Longest Cell


 No. of Muscles


 No. of Bones


 Largest organ of human body



Vitamins & Minerals

 B1 (Thiamine)


 B2 (Riboflavin)


 B3 (Niacin)


 B6 (Pyridoxine)


 B5 (Pantothenic acid)


 B7 (Biotin)


 Folic Acid


 B12 (Cyanocobalamine)


 Vit. C (Ascorbic acid)


 Vit. A (Retinol)


 Night blindness, Xerophthalmia
 Vit. D (Cholecalcifero)


 Rickets, Osteomalacia
 Vit. E (Tocopherol)


 Fertility problem
 Vit. K (Phylloquinone)