IMPORTANT=INVENTIONS=DISCOVERIES
1.Who invented Acetylene Gas? किसने एकसकिलीन गैस िा आकिष्कार किया?
1. Edmund Davy
2. Wilbur Wright
3. Giffard 4. Kolff
ANSWER:-A
2.Who invented Atomic Bomb? परमाणु बम िा आकिष्कार किसने किया?
1. John J. Loud
2. John Browning
3. Joseph Montgolfier
4. Robert Oppenheimer
ANSWER:D
3. Who invented Atomic numbers?
1. Leo H. Baekeland
2. Jacques Montgolfier
3. Moseley 4. Loud
ANSWER:-C
4.Who invented Atomic Theory
1. Macmillan
2. Dalton
3. John Barun
4. Golfier
ANSWER:-B
5.Who invented Barometer?
1. Evangelista Torricelli
2. Ohain
3. Dalton
4. V. Raman
ANSWER:-A
6.Who invented Artificial Heart?
1. John Browning
2. Jacobs
3. Paul Winchell
4. McMohan
ANSWER:-C
7.Who invented Battery (Electric)?
1. Alessandro Volta
2. B.Dunlop
3. Franklin
4. Loyd
ANSWER:-A
8.Who invented Calculus?
1. Walker Eastman
2. Newton
3. M Byod
4. Holmes
ANSWER:-B
9.Who invented Chronometer?
1. John Harrison
2. I-Hsing
3. Huygens
4. Jacobs
ANSWER:-A
10.Who invented Cloning, DNA?
1. Ling-Tsan
2. Kim Jyong
3. Boyer, Cohen
4. Nathon
ANSWER:-C
11.Who invented CT Scan?
1. Hounsfield
2. Sinclair
3. Arthur Wynne
4. Cohen
ANSWER:-A
12.Who invented Diesel Engine?
1. Wynne
2. Rudoff Diesel
3. Diesel
4. Lanchester
ANSWER:-B
13.Who invented Dynamo?
1. Michael Faraday's
2. Wynne
3. W.Seeley
4. Alva J. Fisher
ANSWER:-A
14.Who invented Electric Iron?
1. Alva J. Fisher
2. W.Seeley
3. Sinclair
4. Rishi
ANSWER:-B
15.Who invented Electric Lamp?
1. Dalton
2. Mark Roslyn
3. Thomas Alva Edison
4. Pethye
ANSWER:-C
16.Who invented Electric Motor(AC)?
1. Z Gramme
2. A. Edison
3. Byod
4. Nicola Tesla
ANSWER:D
17.Who invented Electric Motor(DC)? इलेक्ट्रिि मोिर (DC) िा आकिष्कार किसने किया?
1. Nicola Tesla
2. Mark Roslyn
3. Thomas Davenport
4. Seeley
ANSWER:-C
18.Who invented Electric Magnet ?
1. Turning
2. William W. Worth
3. A Fisher
4. Sturgeon
ANSWER:D
19.Who invented Electron?
1. Lanchester
2. John Thomson
3. L Brugnatelli
4. Le de Forest
ANSWER:-B
20.Who invented Fibre Optics?
1. Luigi Brugnatelli
2. Charles Kuen Kao
3. Mussolle
4. Morrison
ANSWER:-B
Adding Machine-========Pascal
Aeroplane ==========Wright brothers
Atom John============ Dalton
Automatic =============Calculator
Wilhelm============== Schickard
Air Conditioner======== Willis Carrier
Anemometer============ Leon Battista Alberti
Aspirin =============Dr. Felix Hoffman
Adhesive========= tape Richard G. Drew
Bacteria =========A.V. Leeuwenhoek
Ball-Point Pen=========== John J. Loud
Bicycle========= Macmillan
Blood Groups========== Karl Landsteiner
Calculating machine ===========Pascal
Cement======== Joseph Aspdin
Chemotherapy============ Paul Ehrlich
Circulation of the Blood=========William Harvey
Computer========== Charles Babbage
Continental Drift ========Alfred Wegener
Crescograph ==========J.C Bose
Diesel Engine========= Rudolf Diesel
Electric Tram=========== Fyodor Pirotsky
Electromagnetic Nature of Light ======James Maxwell
North Pole============= Robert Peary
Solar System========== Nicolaus Copernicus
South Pole=========== Roald Amundson
Dynamite ===========Alfred B. Nobel
Electric Battery============ Alessandro Volta
Electricity=========== Benjamin Franklin
Evolution (theory)========= Charles Darwin
Fahrenheit Scale ============Fahrenheit
Fountain Pen============Lewis E. Waterman
Gas lighting=========== William Murdoch
Hydrogen=========== Cavendish
Homoeopathy ========Hahnemann
Insulin============ F.Banting
Jet Engine========= Sir Frank Whittle
Laser========== Theodore Maiman
Laws of Gravitation=========== Newton
Laughing Gas (Nitrous oxide)========= Priestley
Laws of Heredity======== Gregory Mandel
Laws of Inheritance =========Gregor Mendel
Laws of Motion ===========Newton
Laws of Planetary Motion =======Kepler
Lift (Elevators)==========Otis
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