Who invented the first operational hot air balloon, executing the first recorded human flight? MCQ with Answer and Explanation

Question
Who invented the first operational hot air balloon, executing the first recorded human flight?
A. Count Ferdinand von Zeppelin
B. Otto Lilienthal
C. Wright Brothers
D. Montgolfier Brothers
Answer: Option D
Solution (By JKSSB Mock Tests)
Joseph-Michel and Jacques-Étienne Montgolfier developed and demonstrated the hot air balloon in France in 1783.
This question belongs to: Static General Knowledge Inventions and Discoveries
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Question #1
Who discovered the law of hereditary transmission through experiments on pea plants?
A. Charles Darwin
B. Thomas Hunt Morgan
C. Gregor Mendel
D. Jean-Baptiste Lamarck
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Correct Answer: Option C

Explanation:
Gregor Mendel is known as the father of modern genetics for his discovery of the basic laws of heredity through breeding pea plants.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #2
Who invented the first practical modern typewriter with a QWERTY keyboard layout?
A. Christopher Latham Sholes
B. Thomas Edison
C. Pellegrino Turri
D. William Austin Burt
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Correct Answer: Option A

Explanation:
Christopher Latham Sholes invented the first commercially practical mechanical typewriter and developed the QWERTY keyboard layout to prevent jamming.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #3
Who discovered the law of thermal radiation stating that emissivity equals absorptivity at thermal equilibrium?
A. Max Planck
B. Josef Stefan
C. Wilhelm Wien
D. Gustav Kirchhoff
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Correct Answer: Option D

Explanation:
Gustav Kirchhoff formulated Kirchhoff's Law of Thermal Radiation in 1859, standardizing spectroscopy and thermodynamic modeling.
This question belongs to: Static General Knowledge Inventions and Discoveries
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