1 : Which of the following was the first successful vaccine to be developed?
Options:
  1. Smallpox vaccine
  2. Cholera vaccine
  3. BCG vaccine
  4. DPT vaccine

Answer: Option 1

Explanation:

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2 : Neon gas can produce light. Who discovered it?
Options:
  1. Blaise Pascal
  2. Alberte Pullman
  3. George Claude
  4. Andre Guinier

Answer: Option 3

Explanation:

Georges Claude was a French engineer and inventor. He is noted for his early work on the industrial liquefaction of air, for the invention and commercialization of neon lighting Discuss this in Forums

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3 : Neon gas can produce light. Who discovered it?
Options:
  1. Blaise Pascal
  2. Alberte Pullman
  3. George Claude
  4. Andre Guinier

Answer: Option 3

Explanation:

Georges Claude was a French engineer and inventor. He is noted for his early work on the industrial liquefaction of air, for the invention and commercialization of neon lighting Discuss this in Forums

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4 : In 1948, Holography was invented by
Options:
  1. Tivadar Puskas
  2. Leo Szilard
  3. Eugene Wigner
  4. Dennis Gabor

Answer: Option 4

Explanation:

Dennis Gabor was a Hungarian-British electrical engineer and physicist, most notable for inventing holography, for which he later received the 1971 Nobel Prize in Physics Discuss this in Forums

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5 : Soft contact lenses were invented by
Options:
  1. Samuel Morse
  2. Shirley Mclaine
  3. Otto Wichterle
  4. Humphry Davy

Answer: Option 3

Explanation:

Otto Wichterle was a Czech chemist, best known for his invention of modern soft contact lenses. Discuss this in Forums

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6 : In the year 1900, what product was invented by the Eastman Company.
Options:
  1. Wireless Telephone
  2. Walkman
  3. Brownie Camera
  4. Submarine

Answer: Option 3

Explanation:

The Brownie popularized low-cost photography and introduced the concept of the snapshot. The first Brownie, introduced in February 1900 was a very basic cardboard box camera with a simple meniscus lens that took 2 1/4-inch square pictures on 117 rollfilm. Discuss this in Forums

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7 : Name the inventor of Playing Record.
Options:
  1. Peter Carl Goldmark
  2. Nikola Tesla
  3. George Carver
  4. John Baird

Answer: Option 1

Explanation:

Peter Carl Goldmark was a German-Hungarian engineer who, during his time with Columbia Records, was instrumental in developing the long-playing microgroove 33-1/3 rpm phonograph disc Discuss this in Forums

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8 : Which of the following inventors is credited with inventing the first artificial Refrigerator?
Options:
  1. Oliver Evans
  2. Michael Faraday
  3. Jacob Perkins
  4. William Cullen

Answer: Option 4

Explanation:

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9 : Which of the following persons invented the first Neon lamp?
Options:
  1. William Ramsay
  2. Georges Claude
  3. Nikola Tesla
  4. Heinrich Goebel

Answer: Option 2

Explanation:

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10 : Which of the following persons invented the Magnifying glass?
Options:
  1. Johann Zahn
  2. Roger Bacon
  3. Salvino D'Armati
  4. Hippolyte Marie-Davy

Answer: Option 2

Explanation:

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Sufism is experiential. Capacities, even those for learning beyond a certain point, are provoked by Sufis, by one's own efforts and what results from them, and by an element of what is referred to by Sufis as the Divine.
-Idries Shah Neglected Aspects of Sufi Study