Who synthesized the first wholly artificial gene?
- A. J.J. Thompson
- B. Hargobind Khorana
- C. Benjamin Franklin
- D. Meghnad Saha
Correct Answer: B. Hargobind Khorana
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Pathology is the study of _________.
- A. examines the structures of animals
- B. examines the structures of plants
- C. examines the lungs of the human body
- D. examines the causes and effects of diseases
Correct Answer: D. examines the causes and effects of diseases
A land-locked country in Africa is:
- A. Zambia
- B. Tanzania
- C. Nigeria
- D. Somalia
Correct Answer: A. Zambia
What James Watt invented?
- A. Diving bell
- B. Steamboat
- C. Hot air balloon
- D. Rotary steam engine
Correct Answer: D. Rotary steam engine
James Watt was a Scottish inventor, mechanical engineer, and chemist who improved on Thomas Newcomen’s 1712 Newcomen steam engine with his Watt steam engine in 1776. James Watt was urged by Boulton to invent some form of a rotary motion for his steam engines. The idea was to replace the reciprocating action of the original.
Which country is called “Crossroads of western Europe”?
- A. Turkey
- B. Belgium
- C. South Korea
- D. Japan
Correct Answer: B. Belgium
Belgium is called the land of Crossroads of western Europe or Crossroads of western Europe. Belgium Crossroads Of different cultures and located in the heart of Western Europe.
For whom high heeled shoes were invented?
- A. King Louis the XIV
- B. Cleopatra
- C. Queen Elizabeth I
- D. King Charles II
Correct Answer: A. King Louis the XIV
Who invented the Windshield wipers?
- A. Karl Benz
- B. Chester Carlson
- C. Mary Anderson
- D. Karl Landsteiner
Correct Answer: C. Mary Anderson (1903)