Impact of Science and Technology on Society NDA Questions

NDA Indian History

Impact of Science and Technology on Society MCQ Questions


7.
The first successful powered flight by the Wright Brothers in 1903 marked the beginning of the aviation era, eventually revolutionising society by enabling:
A.
Rapid long-distance travel and global connectivity via air transport
B.
Faster domestic postal services only
C.
The end of maritime trade
D.
Space exploration immediately
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ANSWER :
A. Rapid long-distance travel and global connectivity via air transport
8.
Samuel Morse's development of the electric telegraph in the mid-19th century, along with Morse code, revolutionised society by enabling:
A.
Improved agricultural yields
B.
Faster ocean travel
C.
Instantaneous long-distance communication for the first time in history
D.
Cheaper manufacturing of textiles
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ANSWER :
C. Instantaneous long-distance communication for the first time in history
9.
Alexander Graham Bell's invention of the telephone in 1876 transformed personal and business communication by allowing:
A.
Wireless internet access
B.
Only written messages to be sent over distance
C.
Only government communication
D.
Real-time voice conversation over long distances
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ANSWER :
D. Real-time voice conversation over long distances
10.
Guglielmo Marconi's pioneering work on wireless telegraphy (radio) in the late 19th and early 20th centuries had a profound social impact by enabling:
A.
Instant video calling
B.
Communication without the need for physical wires, transforming maritime safety, news broadcasting, and entertainment
C.
The elimination of newspapers entirely
D.
Space travel
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ANSWER :
B. Communication without the need for physical wires, transforming maritime safety, news broadcasting, and entertainment
11.
Thomas Edison's development of a commercially practical incandescent light bulb in the late 19th century contributed to a societal transformation by extending:
A.
Productive hours beyond daylight, and enabling widespread electrification of homes, factories, and cities
B.
Only military applications
C.
The lifespan of horses used for transport
D.
Agricultural output only
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ANSWER :
A. Productive hours beyond daylight, and enabling widespread electrification of homes, factories, and cities
12.
Nikola Tesla's contributions to the development of alternating current (AC) electrical systems were crucial in enabling:
A.
The invention of the telephone
B.
The development of vaccines
C.
Only short-distance electricity transmission within a single building
D.
The efficient, long-distance transmission of electrical power, foundational to modern electrical grids
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ANSWER :
D. The efficient, long-distance transmission of electrical power, foundational to modern electrical grids