| DISCOVERIES & INVENTIONS | SSC | RAILWAY | BANKING | ASO | AMIN | CT | BED | OAVS |

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| DISCOVERIES & INVENTIONS  | SSC | RAILWAY | BANKING | ASO | AMIN | CT | BED | OAVS |

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DISCOVERIES & INVENTIONS

| DISCOVERIES & INVENTIONS | 23rd September 2021 | ORSP |

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1 / 50

Category: DISCOVERIES & INVENTIONS

Leprosy bacillus was invented by
(1) Koch (2) Hansen
(3) Fleming (4) Harvey

2 / 50

Category: DISCOVERIES & INVENTIONS

For which invention is Otto Hahn
famous?
(1) Atom bomb (2) Television
(3) X-rays
(4) Miner’s safety lamp

3 / 50

Category: DISCOVERIES & INVENTIONS

Gunpowder was invented by
(1) Roger Bacon (2)Colt
(3) C.V. Raman (4) Dr. Gatting

4 / 50

Category: DISCOVERIES & INVENTIONS

The first thermionic valve was
invented by
(1) Thomas Edison
(2) Richardson
(3) J.A. Fleming
(4) Lee De Forest

5 / 50

Category: DISCOVERIES & INVENTIONS

Electron was discovered by
(1) Ernest Rutherford
(2) Max Planck
(3) Joseph Thomson
(4) Albert Einstein

6 / 50

Category: DISCOVERIES & INVENTIONS

Who invented the video-tape ?
(1) Richard James
(2) Charles Ginsberg
(3) P. T. Farnsworth
(4) Georges de Mestral

7 / 50

Category: DISCOVERIES & INVENTIONS

Who invented optical fibre ?
(1) Samuel Cohen
(2) Narinder Kapany
(3) Percy L. Spencer
(4) T.H. Maimah

8 / 50

Category: DISCOVERIES & INVENTIONS

Who is recognised as the Father
of Geometry ?
(1) Pythagoras
(2) Euclid
(3) Johann Kepler
(4) Rene Descartes

9 / 50

Category: DISCOVERIES & INVENTIONS

Who developed the first automatic
automobile ?
(1) Goatleab Daimler
(2) Henry Ford
(3) Rudolf Diesel
(4) Karl Benz

10 / 50

Category: DISCOVERIES & INVENTIONS

Who built the first modern motorcar
?
(1) Henry Ford (2) Karl Benz
(3) Daimler (4) Henry Austin

11 / 50

Category: DISCOVERIES & INVENTIONS

Who invented Radar ?
(1) J.H. Van Tassel
(2) Wilhelm K. Roentgen
(3) P.T. Farnsworth
(4) A.H. Taylor & Leo C. Young

12 / 50

Category: DISCOVERIES & INVENTIONS

Who introduced the use of
artifcial heart for surgery ?
(1) Christian Barnard
(2) Michael de Bakey
(3) Walton Lillehel
(4) Denton Cooly

13 / 50

Category: DISCOVERIES & INVENTIONS

What is the name given to the
outermost “planetoid” discovered
recently in the Solar System ?
(1) Quark (2) Xenon
(3) Sedna (4) Asterix

14 / 50

Category: DISCOVERIES & INVENTIONS

Who is known as ‘the Father of
Geometry’ ?
(1) Pythagoras (2) Euclid
(3) Aristotle (4) Kepler

15 / 50

Category: DISCOVERIES & INVENTIONS

Which among the following events
occurred first ?
(1) John Logy Baird demonstrated
first television
(2) Alexander Flemming discovered
pencillin
(3) Telecast of talking pictures on
television by BBC
(4) Jonas E. Salk developed first
polio vaccine

16 / 50

Category: DISCOVERIES & INVENTIONS

Who is the father of cellular
phone ?
(1) Linus Torvalds
(2) Percy Lebaron Spencer
(3) Fred Morrison
(4) Martin Cooper

17 / 50

Category: DISCOVERIES & INVENTIONS

Who invented the “Voice Mail”?
(1) Gordon Matthews
(2) Alexander Graham Bell
(3) J.A. Fleming
(4) V. Poulsen

18 / 50

Category: DISCOVERIES & INVENTIONS

Who invented the polio vaccine
(oral) ?
(1) Jonas Salk
(2) Albert Sabin
(3) Burkholder
(4) Robert Koch

19 / 50

Category: DISCOVERIES & INVENTIONS

Which company invented the
transistor ratio ?
(1) Sony (2) Grundig
(3) Panasonic (4) Telstra

20 / 50

Category: DISCOVERIES & INVENTIONS

Who invented the laser?
(1) Sir Frank Whittle
(2) Fred Morrisson
(3) T.H. Maiman
(4) Dr. Charles H. Jones

21 / 50

Category: DISCOVERIES & INVENTIONS

Who invented the video-tape?
(1) Richard James
(2) Charles Ginsberg
(3) P.T. Farnsworth
(4) Georges de Mestral

22 / 50

Category: DISCOVERIES & INVENTIONS

Who was associated with the creation
of Pentium Chip ?
(1) Arun Netravalli
(2) Sabeer Bhatia
(3) C. Kumar Patel
(4) Vinod Dham

23 / 50

Category: DISCOVERIES & INVENTIONS

Who produced the first automobile
?
(1) Gottleib Daimler
(2) Henry Ford
(3) Rudolf Diesel
(4) Karl Benz

24 / 50

Category: DISCOVERIES & INVENTIONS

Who invented Radar?
(1) J. H. Van Tassel
(2) Wilhelm K. Roentgen
(3) P. T. Farnsworth
(4) A. H. Taylor and Leo C. Young

25 / 50

Category: DISCOVERIES & INVENTIONS

Who invented optical fibre?
(1) Samuel Cohen
(2) Narinder Kapany
(3) Percy L.Spencer
(4) T.H. Maimah

26 / 50

Category: DISCOVERIES & INVENTIONS

Who discovered North Pole ?
(1) Robert Peary (2) Amundsen
(3) Tasman (4) John Cabot

27 / 50

Category: DISCOVERIES & INVENTIONS

Who discovered Solar System ?
(1) Newton (2) John Hadley
(3) Copernicus (4) Galileo

28 / 50

Category: DISCOVERIES & INVENTIONS

. (1) The Analytical Engine was a proposed mechanical
general-purpose computer designed by English
mathematician Charles Babbage. It was first described
in 1837 as the successor to Babbage's Difference
Engine, a design for a mechanical computer. The
Analytical Engine incorporated an arithmetic logic unit,
control flow in the form of conditional branching and
loops, and integrated memory, making it the first
design for a general-purpose computer that could be
described in modern terms as Turing-complete.

29 / 50

Category: DISCOVERIES & INVENTIONS

Which of the following machines
was designed by Charles Babbage?
(1) Analytical engine
(2) Arithmetic engine
(3) Tabulating machine
(4) Punched card

30 / 50

Category: DISCOVERIES & INVENTIONS

Force of deflection was first discovered
by
(1) Coriolis (2) Ferrel
(3) Thornthwaite (4) Koeppen

31 / 50

Category: DISCOVERIES & INVENTIONS

Who is associated with the invention
of Nylon ?
(1) Louis Pasteur
(2) J. Nicephore Niepce
(3) John Corbutt
(4) Dr. Wallace H. Carothers

32 / 50

Category: DISCOVERIES & INVENTIONS

Who was the leader of the team
that developed the ‘Web Browser’
known as Mosaic?
(1) Marc Anderssen
(2) Bob Kahn
(3) Paul Mockapetris
(4) Tim Berners-Lee

33 / 50

Category: DISCOVERIES & INVENTIONS

Who is the inventor of the Web?
(1) Mike Sendall
(2) Tim Berners-Lee
(3) Bill Gates
(4) Ted Nelson

34 / 50

Category: DISCOVERIES & INVENTIONS

. (4) A hygrometer is an instrument used for measuring
the moisture content in the environment. Humidity
measurement instruments usually rely on
measurements of some other quantity such as
temperature, pressure, mass or a mechanical or
electrical change in a substance as moisture is
absorbed.

35 / 50

Category: DISCOVERIES & INVENTIONS

Humidity is measured by
(1) Lactometer (2) Polarimeter
(3) Thermometer (4) Hygrometer

36 / 50

Category: DISCOVERIES & INVENTIONS

Who invented Portland Cement?
(1) Leonardo da Vinci
(2) Denis Gason
(3) Joseph Aspdin
(4) Percy L. Spencer

37 / 50

Category: DISCOVERIES & INVENTIONS

Who invented Cinema?
(1) Thomas Alva Edison
(2) Nicolas and Jean Lumiere
(3) William Murdock
(4) Dr. J. Brandenberger

38 / 50

Category: DISCOVERIES & INVENTIONS

Who invented the hydrogen
bomb?
(1) J.Robert Oppenheimer
(2) Albert Einstein
(3) Samuel Cohen
(4) Edward Taylor

39 / 50

Category: DISCOVERIES & INVENTIONS

The telephone was invented by:
(1) G. Marconi
(2) Alexander Graham Bell
(3) J.L. Baird
(4) Thomas Barrow

40 / 50

Category: DISCOVERIES & INVENTIONS

Who invented chloroform as anaesthetic?
(1) James Simpson
(2) Edward Jenner
(3) Alexander Fleming
(4) Christian Barnard

41 / 50

Category: DISCOVERIES & INVENTIONS

Who invented vaccination?
(1) James Simpson
(2) Edward Jenner
(3) Alexander Fleming
(4) Christian Barnard

42 / 50

Category: DISCOVERIES & INVENTIONS

X-rays were discovered by –
(1) Faraday (2) Roentgen
(3) H. Davy (4) Lavoisier

43 / 50

Category: DISCOVERIES & INVENTIONS

Who invented the Jet Engine?
(1) Karl Benz
(2) Sir Frank Whittle
(3) Thomas Savery
(4) Michael Faraday

44 / 50

Category: DISCOVERIES & INVENTIONS

Who invented vaccination for
'Small Pox'?
(1) Sir Fredrick Grant Banting
(2) Sir Alexander Fleming
(3) Edward Jenner
(4) Louis Pasteur

45 / 50

Category: DISCOVERIES & INVENTIONS

Who invented penicillin ?
(1) Alexander Fleming
(2) Louis Pasteur
(3) Dreser
(4) Edward Jenner

46 / 50

Category: DISCOVERIES & INVENTIONS

Electron microscope was discovered
by
(1) Garhn and Shortt
(2) Knoll and Ruska
(3) Farmer and Moore
(4) Janseen and Janseen

47 / 50

Category: DISCOVERIES & INVENTIONS

Bacteria was first discovered by
(1) A.V. Leeuwenhoek
(2) Robert Hooke
(3) Robert Koch
(4) Louis Pasteur

48 / 50

Category: DISCOVERIES & INVENTIONS

Who discovered North Pole ?
(1) Amundson (2)Robert Peary
(3) John Cobot (4) Captain Cook

49 / 50

Category: DISCOVERIES & INVENTIONS

Who discovered cement?
(1) Agassit
(2) Albertus Magnus
(3) Joseph Aspdin
(4) Janseen

50 / 50

Category: DISCOVERIES & INVENTIONS

X–rays were discovered by
(1) Becquerel (2)Roentgen
(3) Marie Curie (4) Van Lue

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Welcome To
Odisha Regional Study Point

We Allow the best exam preparation for SSC, RAILWAY,BANKING,CT,BED,OTET,OSSTET,ASO,RI,AMIN, DECE(IGNOU) Navodaya(5th,6th) , BSE(Standard 9TH & 10TH) AND CBSE (Standard 9TH & 10TH) In ଓଡ଼ିଆ Language…

 

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✅Daily Free practice Quiz
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✅Performance Analysis
✅All Govt Exams are Covered

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