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

Albert S. Humphery was the originator of

  1. SWOT Analysis

  2. Industry Analysis

  3. GE Model

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

Albert S. Humphrey was an American business and management consultant who devised the SWOT analysis technique.

Multiple choice

The theory of natural selection was popularised by the book ‘Origin of Species’, which was written by

  1. Lamarck

  2. Darwin

  3. Alfred Wallace

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

The book 'The Origin of Species' was written by Darwin. Lamarck gave the theory of inheritance of acquired characters, which was initially opposed. Later, this theory was supported by both Darwin and Alfred Wallace. At that time, the book 'The Origin of Species' gave a strong evidence to support Lamarck’s theory. Mendel, on the other hand, worked only on genetics and traits. But the theories of Mendel and Darwin unfortunately were never mixed; else the evolution and its genetic basis may have been understood much before.

Multiple choice

The term new systematics was introduced by

  1. Linnaeus

  2. Theophrastus

  3. Bentham & Hooker

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

 The term new systematics was introduced by Huxely. In new systematics the species are considered related to one and another, mutable and show gradual modification.

Multiple choice

_____ introduced modern systematics.

  1. Linnaeus

  2. John Ray

  3. Darwin

  4. Julian Huxley
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Julian Huxley was one of the main architects of the modern evolutionary synthesis which took place around the time of World War II. He introduced modern systematics.

Multiple choice

The helical double stranded structure of DNA would have been named after Rosalind Franklin but her results were hindered by the lack of

  1. precision instruments

  2. strong x-rays

  3. true crystals

  4. recurrent contamination of samples
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Rosalind Franklin, through her analytics, proposed the double strandedness of DNA and a ladder-like structure. If it would have been supported by better crystallisation techniques, the noble would have been hers.

Multiple choice

In 2015, W. C. Campbell and Saroshi Omura received the Nobel prize for physiology and medicine. Which of the following contributions did they make?

  1. Discovery of cells that constitute a positioning system in the brain

  2. Novel therapy against Malaria

  3. Novel therapy against infections caused by roundworm

  4. Discoveries concerning the activation of innate immunity
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In 2015, W. C. Campbell and Saroshi Omura received the Nobel prize for novel therapy against infections caused by roundworm.

Multiple choice

Plastids were discovered by

  1. Rhodin

  2. Haeckel

  3. Schimper

  4. Perner

  5. Koltzoff
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This is the correct answer. Plastids were discovered by Haeckel in 1866.

Multiple choice

Who wrote the world's first computer program?

  1. Alan turing

  2. Bill Gates

  3. A Lovelace

  4. Sholes
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Ada Lovelace wrote the first algorithm intended for processing by a machine in the 1840s, working on Charles Babbage's Analytical Engine. She is recognized as the first computer programmer.

Multiple choice

Which one of the following pairs is correctly matched?

  1. Frederick Griffith – Discovered the phenomenon of transformation

  2. Linus Pauling – Isolated DNA for the first time

  3. Francis Crick – Proposed one gene-one polypeptide hypothesis

  4. George Beadle – Proposed the concept of inborn erros
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Only option 1 gives the correct match of the scientist name with its discovery.

Multiple choice

Who coined the term protista?

  1. Leeuwenhoek

  2. Ernst Haeckel

  3. O. F. Muller

  4. George August Goldfuss
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The term protista was coined by Ernst Haeckel in 1866.