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General Knowledge Mcqs 5857 MCQs [All-Courses]

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Get reliable General Knowledge MCQs for PPSC, FPSC, NTS, OTS, PTS, AJKPSC, BPSC, KPPSC, PMS, CSS, and all competitive exams.
Covering Geography, History, Science, World Facts, and Pakistan Studies, our GK MCQs help you build strong exam knowledge.
Improve your accuracy, strengthen concepts, and prepare effectively for screening and written tests.

All Topics  5857

What is the cause of stone cancer in the Taj Mahal's marble?
A Acid rain caused by air pollution
B Growth of moss and algae
C High humidity in the region
D Structural weakening due to earthquakes
Correct Answer: Acid rain caused by air pollution
Explanation:

  • Pollutants like sulfur dioxide and nitrogen oxides in the air mix with rainwater to form acid rain.
  • This acid reacts with the marble, causing it to decay, discolor, and develop cracks, a process called “stone cancer.”

Who invented the first practical sewing machine?
A Thomas Saint
B Elias Howe
C Isaac Singer
D George Stephenson
Correct Answer: Elias Howe
Explanation:

  • Howe’s machine used a needle with an eye at the point, which was a key innovation for stitching fabric.
  • Later, Isaac Singer improved Howe’s design to make it practical for widespread use.

Who is Ketanji Brown Jackson?
A Black judge on the U.S. Supreme Court
B US Senator
C New York Governor
D None of these
Correct Answer: Black judge on the U.S. Supreme Court
What is the role of META Al in business?
A Enhancing customer experiences through Al-driven recommendations
B Improving business decision -making with data insights and analytics
C Automating tasks and processes to improve efficiency
D All of these
Correct Answer: All of these
Explanation:

  • Meta AI is an artificial intelligence system developed by Meta (formerly Facebook).
  • It is used in apps like Facebook, Instagram, and WhatsApp to assist users.
  • Meta AI helps with tasks such as answering questions, creating content, and improving user experience.

What is the study of the origin and history of words called?
A Lexicology
B Semantics
C Etymology
D Phonology
Correct Answer: Etymology
Explanation:

  • Etymology is the study of the origin of words.
  • It explains how words are formed and how their meanings change over time.
  • Etymology helps us understand the history and development of a language.

Which geographical region has more biodiversity (biological diversity)?
A Desert
B Tundra
C Tropical Rainforest
D Grassland
Correct Answer: Tropical Rainforest
Explanation:

  • Tropical rainforests have the highest biological diversity in the world.

The world's first deep sea-based radar system was developed in which country?
A US
B Russia
C Japan
D China
Correct Answer: China
Explanation:

  • China developed the world’s first deep sea-based radar system to enhance maritime surveillance and underwater detection.
  • The system is designed to monitor submarines, underwater activities, and oceanographic data.

Panda diplomacy was given by which country?
A Thailand
B China
C Japan
D South Korea
Correct Answer: China
Explanation:

  • Panda diplomacy refers to China’s practice of gifting or loaning giant pandas to other countries as a symbol of friendship and goodwill.
  • This practice began in the 1950s, during the rule of Mao Zedong.

China's 2025 Development Strategy named as:
A Made in China
B Belt Road
C Digital China
D None of these
Correct Answer: Made in China
Explanation:

  • China's primary 2025 development strategy is titled Made in China 2025 (MIC25)

In which year was the zipper invented?
A 1851
B 1893
C 1905
D 1923
Correct Answer: 1893
Explanation:

  • Invention of the Zipper
  • Invented in 1893
  • Inventor: Whitcomb L. Judson
  • Became popular after improvements by Gideon Sundback

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