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.

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Inventors and Scientific Discoveries Questions

Multiple choice

'Philosophie Zoologique' was written by

  1. De Vries

  2. Lamarck

  3. Mendel

  4. Spencer
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

'Philosophie Zoologique' was published in 1809 by Jean-Baptiste Lamarck, outlining his theory of evolution.

Multiple choice

The term 'Survival of Fittest' was used by

  1. Charles Darwin

  2. Herbert Spencer

  3. Jean Baptiste

  4. Hugo de Vries
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

While Darwin popularized the concept, the phrase 'survival of the fittest' was coined by Herbert Spencer after reading Darwin's work.

Multiple choice

The idea of evolution was first put forward by

  1. Lamarck

  2. Empedocles

  3. Bateson

  4. Aristotle
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

While many associate evolution with Darwin or Lamarck, the Greek philosopher Empedocles is credited with the earliest recorded ideas regarding the transmutation of species and the survival of the fittest, long before modern evolutionary theory.

Multiple choice

Theory of spontaneous creation was supported by

  1. Van Helmont

  2. Redi

  3. Spallanzani

  4. Pasteur
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Jan Baptist van Helmont was a proponent of spontaneous generation, famously suggesting that mice could arise from wheat and a dirty shirt.

Multiple choice

'Continuity of germplasm' theory was given by

  1. De Vries

  2. Weismann

  3. Darwin

  4. Lamarck
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

August Weismann proposed the germplasm theory, which states that inheritance occurs only through germ cells (gametes) and that somatic cells do not influence the hereditary material of the next generation.

Multiple choice

Cholera bacillus was discovered by ____?

  1. Antony van Leeuwenhoek

  2. Robert Koch

  3. Edward Jennifer

  4. James cam
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Robert Koch identified Vibrio cholerae as the causative agent of cholera in 1883.

Multiple choice

Who invented Radar?

  1. Robert Watson Watt

  2. Max Planc

  3. Henry Backquerel

  4. Humphrey Davy
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Robert Watson Watt is credited with the invention of radar technology in the 1930s, which became crucial for aircraft detection during World War II.

Multiple choice

Who wrote the world's first computer program?

  1. Albert Einstein

  2. Bill Gates

  3. Alan Turing

  4. Ada Lovelace
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Ada Lovelace is widely recognized as the first computer programmer for her work on Charles Babbage's early mechanical general-purpose computer, the Analytical Engine.

Multiple choice

Who gave the concept of 'Hot Dilute Soup' about evolution?

  1. Haldane

  2. Miller

  3. Oparin

  4. Fox
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Oparin-Haldane theory is also called chemical theory or naturalistic theory.A soup-like broth of chemicals formed in oceans of the early earth from which living cells are believed to have appeared, was termed by J.B. Haldane (1920) as ‘prebiotic soup’ (also called ‘hot dilute soup’).