Science Facts and Science General Knowledge.
Invention Inventor
| Adding machineBalloon
Computer Cinema Diesel engine Electric iron Fountain Pen Motor car (Petrol) Radio Refrigerator Rubber (Valcanized) Tank Television Typewriter Aeroplane Barometer Watch Dynamite Electric lamp Gramophone Printing press Razor (Safety) Revolver Scooter Telephone Thermometer X-ray
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PascalJaccques and Joseeph Montgolfier
Charles Babbage A.L. and J.L. Lumiere Rudolf Diesel H.W. Seeley L.E. Waterman Karl Benz G. Marconi J. Harrison and A. Catlin Charles Goodyear Sir Ernest Swington John Logie Baird C. Sholes Wright brothers E. Torricelli A.L. Breguet Alfred Nobel Thomas Alva Edison T.A. Edison J. Gutenberg K.G. Gillettee Samuel Colt G. Breadshaw Alexander Graham bell Galileo Galilei Wilhelm Roentgen
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USEFUL GASES
Name Use
Ammonia Fertilizer, refrigeration
Butane Cirgarette Lighters, domestic fuel
CS gas Toar gas used in riots
Helium Fluorescent tube, laser, balloons
Nitrous oxide Laughing gas, Mild anesthetic
Methane To make chloroform
Neon Illuminated signs
NATURAL ACIDS
Name Source
Acetic acid Vinegar
Citric acid Lemon/citrus fruit
Malic acid Unripe apples/fruits
Uric acid Urine
Ascorbic acid Vitamin C
Lactic acid Milk
Tannic acid Tea
THE VITMAINS
| Vitamins
Vitamins A Vitamins B1 Vitamins C Vitamins D Vitamins E Vitamins K Iodine Insulin Protein Iron
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Deficiency Symptoms
Night blindness Beriberi Scurvy Rickets (children) Sterility Blood Clotting Goiter Diabetes Kwashiorkor Anemia
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Natural Sources
Fish, Egg and green vegetables. Outer seed coats of cereal grains, meat Lemon, orange and vegetables Animal, butter and milk vegetables and animal oil, soyabeans Leafy vegetables, oats. Blood Group Four——- A, B, AB, O AB-Universal Recipient O-Universal Donor
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HUMAN BODY
- Normal Human blood Pressure is 120/80 mm of Hg
- Normal Heart Beat of a human is 72 times/min
- The study of bones is called Osteology.
- Total No. of bones 206
- Smallest bone : Stapes (Ear Bone)
- Longest bone : Femur (Thigh bone)
- Strongest bone : Tibia (leg bone) Jaw bone
- Total No of muscles : 639
- Largest gland : Liver
- Longest gland : Thyroid
- Longest nerve : Sciatic
- Hardest part : Tooth enamel
- Total amount of blood in body : 5.5 ltrs
- Normal body temperature : 98.6 d F (37 d C)
- Weight of Brain – 1300 gm
CHEMICAL NAME OF SOME COMMONLY KNOWN COMPOUNDS
COMMON NAME CHEMICAL NAME
Baking powder Sodium Bicarbonate
Bleaching powder Calcium Hypochlorite
Chloroform Sodium hydroxide
Caustic soda Trichloromethane
Laughing gas Nitrous oxide
Limestone Calcium corbonate
Plaster of Paris Calcium sulphate
Washing soda Sodium carbonate
Water Hydrogen oxide
Sugar Sucrose
Common salt Sodium Chloride
HEART TRANSPLANT
First ever in world in 1962 by Prof. Christian Barnaard on 55 yr Lousis wash Kansky in India first heart transplant by Dr. P. Venugopal on 42 yr old Devi Ram.
TEST TUBE BABY
World’s first baby was Louise Joy Brown
India’s first was Kum Harsha.
India’s billionth baby was “Aastha”
DISEASES AFFECTING DIFFERENT PARTS OF THE HUMAN BODY
| AIDS
Conjunctivitis Hepatitis Tuberculosis Rickets Rabies Malaria Asthma Polio Jaundice Cataract Glaucoma Pyorrhea Scurvy Cholera Pneumonia Goiter Diabetes Typhoid Dermatitis
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Immune system
Eyes Liver Lungs Joints of children’s bones Brain Liver and RBC Respiratory track Nervous system Liver Eyes Eyes Teeth Skin and Blood Stomach Lungs Thyroid Pancreas Pancreas Skin
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DIAGNOSTIC TESTS
Elisa Test – Aids Test
Montoux Test – T.B
Serum Billirubin – Jaundice Test
Benedict’s Test – Sugar
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