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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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611
General Knowledge Medium

Which gas causes the greenhouse effect most significantly among human-made emissions?

  • AMethane
  • BCarbon Dioxide
  • CNitrous Oxide
  • DOzone
Permalink
Correct Answer: Option B — Carbon Dioxide
Explanation: Carbon dioxide is the most significant human-made greenhouse gas contributing to the greenhouse effect and global warming. Released primarily through burning fossil fuels deforestation and industrial processes CO2 levels in the atmosphere have risen by over 50% since the Industrial Revolution driving unprecedented climate change.
Submitted by: PaperMCQs
612
General Knowledge Medium

Who is known as the Father of History?

  • AThucydides
  • BHerodotus
  • CAristotle
  • DLivy
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Correct Answer: Option B — Herodotus
Explanation: Herodotus a Greek historian born around 484 BC is known as the Father of History. He wrote The Histories a detailed account of the Greco-Persian Wars and the customs of various nations. He is considered the first writer to systematically collect and critically evaluate historical sources and present them in narrative form.
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613
General Knowledge Medium

The International Atomic Energy Agency (IAEA) is headquartered in?

  • AVienna
  • BGeneva
  • CBrussels
  • DNew York
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Correct Answer: Option A — Vienna
Explanation: The International Atomic Energy Agency established in 1957 is headquartered in Vienna Austria. The IAEA is an autonomous international organization under the UN system that promotes peaceful use of nuclear energy and implements safeguards to prevent the proliferation of nuclear weapons globally.
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614
General Knowledge Medium

Which country introduced the world's first national railway system?

  • AFrance
  • BGermany
  • CBritain
  • DUnited States
Permalink
Correct Answer: Option C — Britain
Explanation: Britain introduced the world's first public railway system with the Stockton and Darlington Railway opening in 1825 followed by the Liverpool and Manchester Railway in 1830. George Stephenson known as the Father of Railways designed the locomotives. This innovation revolutionized transport accelerating industrialization and urbanization globally.
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615
General Knowledge Medium

The philosopher who said 'I think therefore I am' was?

  • AVoltaire
  • BDescartes
  • CLocke
  • DRousseau
Permalink
Correct Answer: Option B — Descartes
Explanation: René Descartes a French philosopher stated Cogito ergo sum I think therefore I am in his 1637 work Discourse on the Method. This statement is a foundational element of Western philosophy as Descartes used it as a starting point for knowledge demonstrating that the act of thinking proves existence.
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616
General Knowledge Hard

Which international organization awards the Nobel Prize?

  • AUnited Nations
  • BSwedish Academy
  • CRoyal Swedish Academy of Sciences
  • DWorld Economic Forum
Permalink
Correct Answer: Option C — Royal Swedish Academy of Sciences
Explanation: The Nobel Prizes are awarded by Swedish institutions except for the Peace Prize. The Royal Swedish Academy of Sciences awards the Physics and Chemistry prizes. The Nobel Assembly at the Karolinska Institute awards Medicine. The Swedish Academy awards Literature. The Norwegian Nobel Committee awards the Peace Prize.
Submitted by: PaperMCQs
617
General Knowledge Hard

Who was the first female Prime Minister in the world?

  • ASirimavo Bandaranaike
  • BIndira Gandhi
  • CMargaret Thatcher
  • DGolda Meir
Permalink
Correct Answer: Option A — Sirimavo Bandaranaike
Explanation: Sirimavo Bandaranaike of Ceylon now Sri Lanka became the world's first female Prime Minister when she was elected in 1960. She served three terms and was a pioneering figure in women's political leadership globally. Her election broke significant gender barriers in governance and politics worldwide.
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618
General Knowledge Medium

The Amazon Rainforest is often called the 'Lungs of the Earth' because?

  • AIt filters ocean water
  • BIt absorbs most carbon underground
  • CIt produces about 20% of Earth's oxygen
  • DIt provides shelter for most animal species
Permalink
Correct Answer: Option C — It produces about 20% of Earth's oxygen
Explanation: The Amazon Rainforest is often called the Lungs of the Earth because it produces approximately 20% of the world's oxygen through photosynthesis and absorbs vast amounts of carbon dioxide. Covering about 5.5 million square kilometers primarily in Brazil it is the world's largest tropical rainforest and biodiversity hotspot.
Submitted by: PaperMCQs
619
General Knowledge Medium

The headquarters of Interpol is located in?

  • AParis
  • BBrussels
  • CLondon
  • DLyon
Permalink
Correct Answer: Option D — Lyon
Explanation: Interpol's General Secretariat is located in Lyon France. Interpol the International Criminal Police Organization facilitates international police cooperation among 195 member countries to combat transnational crime terrorism human trafficking and cybercrime. It maintains criminal databases and issues international notices including the famous Red Notice for fugitives.
Submitted by: PaperMCQs
620
General Knowledge Hard

Which country has the longest coastline in the world?

  • AAustralia
  • BNorway
  • CRussia
  • DCanada
Permalink
Correct Answer: Option D — Canada
Explanation: Canada has the world's longest coastline measuring approximately 202080 kilometers including mainland and offshore islands. It borders three oceans the Pacific Atlantic and Arctic. This extensive coastline gives Canada significant marine resources and strategic importance in Arctic navigation routes which are becoming increasingly relevant due to climate change.
Submitted by: PaperMCQs
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