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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

 

 

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

 

 

 

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

 

 

 Deficiency  Symptoms

Night blindness

Beriberi

Scurvy

Rickets (children)

Sterility

Blood Clotting

Goiter

Diabetes

Kwashiorkor

Anemia

 

 

 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

 

 

 

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

 

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

                

DIAGNOSTIC TESTS

 

Elisa Test                          –              Aids Test

Montoux Test                   –              T.B

Serum Billirubin              –              Jaundice Test

Benedict’s Test                 –              Sugar

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