Sail E0 Webinar

General Knowledge

DISCOVERIES AND INVENTIONS MCQs

Scientists, Inventions & Discoveries

Total Questions : 949 | Page 90 of 95 pages
Question 891. . Who invented the video-tape ?
  1.    Richard James
  2.    Charles Ginsberg
  3.    P. T. Farnsworth
  4.    Georges de Mestral
 Discuss Question
Answer: Option B. -> Charles Ginsberg
Question 892. . Who is recognised as the Father of Geometry ?
  1.    Pythagoras
  2.    Euclid
  3.    Johann Kepler
  4.    Rene Descartes
 Discuss Question
Answer: Option B. -> Euclid
Question 893. . The first thermionic valve was invented by
  1.    Thomas Edison
  2.    Richardson
  3.    J.A. Fleming
  4.    Lee De Forest
 Discuss Question
Answer: Option C. -> J.A. Fleming
Question 894. .  Who discovered cement?
  1.    Agassit
  2.    Albertus Magnus
  3.    Joseph Aspdin
  4.    Janseen
 Discuss Question
Answer: Option C. -> Joseph Aspdin
Question 895. .  For which invention is Otto Hahn famous?
  1.    Atom bomb
  2.    Television
  3.    X-rays
  4.    Miner's safety lamp
 Discuss Question
Answer: Option A. -> Atom bomb
Question 896. .  Leprosy bacillus was invented by
  1.    Koch
  2.    Hansen
  3.    Fleming
  4.    Harvey
 Discuss Question
Answer: Option A. -> Koch
Question 897. .  X-rays were discovered by
  1.    Becquerel
  2.    Roentgen
  3.    Marie Curie
  4.    Van Lue
 Discuss Question
Answer: Option B. -> Roentgen
Question 898. .  Gunpowder was invented by
  1.    Roger Bacon
  2.    Colt
  3.    C.V. Raman
  4.    Dr. Gatting
 Discuss Question
Answer: Option A. -> Roger Bacon
Question 899. .  Who discovered North Pole ?
  1.    Amundson
  2.    Robert Peary
  3.    John Cobot
  4.    Captain Cook
 Discuss Question
Answer: Option B. -> Robert Peary
Question 900. .  Bacteria was first discovered by
  1.    A.V. Leeuwenhoek
  2.    Robert Hooke
  3.    Robert Koch
  4.    Louis Pasteur
 Discuss Question
Answer: Option A. -> A.V. Leeuwenhoek

Latest Videos
Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)
Direction Sense Test Part 1 Reasoning (Hindi)
Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE
Cube & Cuboid Part 1 Reasoning (Hindi)
Data Interpretation (DI) Basic Concept Reasoning (Hindi)
Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)
Sail E0 free webinar Webinars
Real Numbers Part 7 Class 10 Maths
Real Numbers Part 1 Class 10 Maths
Polynomials Part 1 Class 10 Maths

Latest Test Papers

DSP Combined 1 Free Revision Test SAIL JO E-0
GPOE / GPA Combined 1 Free Revision Test SAIL JO E-0
BSP Plant Specific Review Test SAIL JO E-0
BSL Combined 1 Free Revision Test SAIL JO E-0
GFM Combined 1 Free Revision Test SAIL JO E-0