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CSS MCQs

Civil Superior Services — Complete MCQ Bank

899 Questions
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How to prepare for CSS

CSS is Pakistan’s premier federal competitive examination. Strong preparation requires conceptual clarity, broad general knowledge and consistent practice across compulsory and optional areas.

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621
General Knowledge Hard

The Coriolis Effect causes winds to deflect in which direction in the Northern Hemisphere?

  • ATowards the equator
  • BTo the left
  • CUpward
  • DTo the right
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Correct Answer: Option D — To the right
Explanation: The Coriolis Effect caused by Earth's rotation deflects winds to the right in the Northern Hemisphere and to the left in the Southern Hemisphere. This effect influences global wind patterns ocean currents and weather systems causing hurricanes to rotate counterclockwise in the north and clockwise in the south.
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622
General Knowledge Medium

Halley's Comet is visible from Earth approximately every how many years?

  • A50
  • B75
  • C76
  • D100
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Correct Answer: Option C — 76
Explanation: Halley's Comet has an orbital period of approximately 75 to 76 years and is the most well-known short-period comet. It last appeared in 1986 and is expected to return in 2061. Named after astronomer Edmond Halley who first calculated its periodic orbit it has been observed for thousands of years.
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623
General Knowledge Medium

The headquarters of NATO is located in?

  • ALondon
  • BBrussels
  • CBerlin
  • DParis
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Correct Answer: Option B — Brussels
Explanation: NATO's headquarters is located in Brussels Belgium. The North Atlantic Treaty Organization was established in 1949 as a military alliance between Western nations to provide collective defense. Following France's partial withdrawal and Belgium's strategic importance Brussels became home to NATO's political headquarters.
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624
General Knowledge Hard

The United Nations Framework Convention on Climate Change (UNFCCC) was adopted in which year?

  • A1990
  • B1992
  • C1994
  • D1997
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Correct Answer: Option B — 1992
Explanation: The UNFCCC was adopted in 1992 at the Earth Summit in Rio de Janeiro Brazil and entered into force in 1994. It is the parent treaty for international climate agreements including the Kyoto Protocol and the Paris Agreement providing the legal framework for global climate action.
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625
General Knowledge Medium

The printing press was invented by?

  • ALeonardo da Vinci
  • BGalileo Galilei
  • CJohannes Gutenberg
  • DNicolaus Copernicus
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Correct Answer: Option C — Johannes Gutenberg
Explanation: Johannes Gutenberg a German goldsmith invented the mechanical movable type printing press around 1440 in Mainz Germany. His invention revolutionized book production enabling mass printing of texts including the Bible. This democratized knowledge undermined Church authority and was a catalyst for the Renaissance and Reformation.
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626
General Knowledge Hard

Which country has the most spoken languages?

  • APapua New Guinea
  • BIndia
  • CNigeria
  • DIndonesia
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Correct Answer: Option A — Papua New Guinea
Explanation: Papua New Guinea is the most linguistically diverse country in the world with over 800 indigenous languages spoken by a population of approximately 9 million people. This extreme diversity is due to geographic isolation of many communities in mountainous terrain. Tok Pisin is the most widely used lingua franca.
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627
General Knowledge Medium

The Gulf Stream is a powerful ocean current located in which ocean?

  • APacific Ocean
  • BIndian Ocean
  • CArctic Ocean
  • DAtlantic Ocean
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Correct Answer: Option D — Atlantic Ocean
Explanation: The Gulf Stream is a warm and swift Atlantic Ocean current that flows from the Gulf of Mexico along the eastern coast of the United States and across the Atlantic to Europe. It significantly moderates the climate of Western Europe making it warmer than other regions at the same latitude.
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628
General Knowledge Medium

The Reformation movement was started by which figure?

  • AJohn Calvin
  • BMartin Luther
  • CThomas Aquinas
  • DErasmus
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Correct Answer: Option B — Martin Luther
Explanation: The Protestant Reformation was initiated by Martin Luther a German theologian who published his 95 Theses in 1517 criticizing the Catholic Church's practice of selling indulgences. This movement led to the division of Western Christianity into Catholic and various Protestant denominations transforming European religious and political history.
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629
General Knowledge Medium

The Trojan War was fought between ancient Greece and which city?

  • ACarthage
  • BPersia
  • CTroy
  • DSparta
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Correct Answer: Option C — Troy
Explanation: According to Greek mythology and Homer's Iliad the Trojan War was fought between the Greeks and the city of Troy located in present-day Turkey. It was said to have lasted ten years and was triggered by the abduction of Helen by Paris of Troy. Archaeological evidence suggests Troy was a real city.
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630
General Knowledge Hard

Which country is the largest producer of natural gas?

  • AQatar
  • BUnited States
  • CRussia
  • DIran
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Correct Answer: Option B — United States
Explanation: The United States has become the world's largest producer of natural gas largely due to the shale gas revolution and hydraulic fracturing technology. It surpassed Russia around 2011. Natural gas is used for electricity generation heating and as an industrial feedstock and its global trade continues to grow significantly.
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