General Awareness · Science General

Inventors and Scientific Discoveries

4,616 Questions

This hub provides questions related to great inventors and their scientific discoveries. It covers the inventors of the telephone, radio, and microchips, alongside Nobel Prize winners. These facts are crucial for the general awareness section of major competitive exams.

Famous inventionsNobel Prize winnersScientific conceptsKey inventors

Inventors and Scientific Discoveries Questions

Multiple choice
  1. Indian

  2. Egyptian

  3. Greek

  4. American

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The mathematical concept of zero as a number and its use in the decimal system was developed by ancient Indian mathematicians, most notably Aryabhata and Brahmagupta.

Multiple choice
  1. Clifford Bery

  2. George Boole

  3. Atanasuff and Berry

  4. John V. Atanasoff

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

John Vincent Atanasoff and Clifford Berry developed the Atanasoff-Berry Computer (ABC) at Iowa State University between 1937 and 1942. It is recognized as the first electronic digital computing device, utilizing vacuum tubes and binary math. While other computers like ENIAC followed, the ABC was the pioneer in electronic digital computing.

Multiple choice
  1. Darwin

  2. Watson and Crick

  3. Mendel

  4. Meselson-Stahl

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

James Watson and Francis Crick proposed the double-helical structure of DNA in 1953. Their model explained how genetic information is stored and replicated in living organisms.

Multiple choice
  1. Charles Babb age

  2. Dr Herman Hollenith

  3. Blaise pascal

  4. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Herman Hollerith developed a punched card tabulating machine to help process data for the 1890 U.S. Census. His company later merged with others to eventually become IBM.

Multiple choice
  1. Dennis Ritchie

  2. Blaise Pascal

  3. John Backus

  4. None of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Dennis Ritchie created the C programming language at Bell Labs in the early 1970s. It was designed to be a general-purpose language and was used to rewrite the Unix operating system.

Multiple choice
  1. Sydney Brenner

  2. Paul Lauterbur

  3. Peter Mansfield

  4. Both (b) and (c)

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The 2003 Nobel Prize in Physiology or Medicine was awarded jointly to Paul Lauterbur and Peter Mansfield for their seminal discoveries that led to the development of Magnetic Resonance Imaging (MRI).

Multiple choice
  1. 1. Lady Gaga d. Beetle
    2. Arnold Schwarzenegger c. Spider
    3. Aesop b. Wasp
    4. Nelson Mandela a. Fish
  2. 1. Lady Gaga b. Wasp
    2. Arnold Schwarzenegger d. Beetle
    3. Aesop a. Fish
    4. Nelson Mandela c. Spider
  3. 1. Lady Gaga c. Spider
    2. Arnold Schwarzenegger a. Fish
    3. Aesop d. Beetle
    4. Nelson Mandela b. Wasp
  4. 1. Lady Gaga d. Beetle
    2. Arnold Schwarzenegger c. Wasp
    3. Aesop b. Spider
    4. Nelson Mandela a. Fish
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This is the correct match. Wasp (Aleiodes gaga) is named after Lady Gaga. Beetle (Agra schwarzeneggeri) is named after Arnold Schwarzenegger. Fish (Aesopichthys) is named after Aesop. Spider (Anelosimus nelsoni) is named after Nelson Mandela.

Multiple choice
  1. discovery of the DNA structure

  2. first kidney transplant

  3. creation of the world's first cloned sheep

  4. discovery of genes

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Dr. Ian Wilmut was a British biologist who led the research team at the Roslin Institute that successfully cloned the first mammal from an adult cell. This sheep, named Dolly, was born in 1996 and represented a massive breakthrough in genetic research. He is not the discoverer of DNA structure, which is credited to Watson, Crick, and Franklin.

Multiple choice
  1. Medicine

  2. Physics

  3. Chemistry

  4. Economics

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Nobel Prize in Economics was established in 1968 by Sweden's central bank and was first awarded in 1969. The other five categories (Physics, Chemistry, Medicine, Literature, and Peace) were established by Alfred Nobel's will and first awarded in 1901. Economics is the only category not part of the original set of prizes.

Multiple choice
  1. destroying

  2. testing

  3. resurrecting

  4. questioning

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The right answer is (3). 

Intelligent designs derive from Paley. Hence, proponents of intelligent design can only resurrect Paley's argument.