Join WhatsApp ChannelDaily MCQs & Exam Updates

CSS MCQs

Civil Superior Services — Complete MCQ Bank

1,970 Questions
Exam Preparation Guide

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.

Pakistan AffairsCurrent AffairsEnglishEveryday Science
Combine daily MCQ practice with analytical reading, vocabulary building and regular revision of national and international affairs.
CSS preparation illustration
781
Computer Science Medium Uploaded: 09 Aug 2026

What does 'DNS' stand for?

  • AData Network System
  • BData Name Server
  • CDomain Name System
  • DDomain Network Server
782
Computer Science Medium Uploaded: 09 Aug 2026

Which of the following is a valid IP address version widely used today alongside IPv6?

  • AIPv2
  • BIPv4
  • CIPv5
  • DIPv3
783
Computer Science Medium Uploaded: 09 Aug 2026

What is the main function of an assembler?

  • AConvert assembly language to machine code
  • BStore data permanently
  • CRun applications
  • DManage files
784
Computer Science Medium Uploaded: 09 Aug 2026

Which of these is a type of computer virus?

  • AFirewall
  • BTrojan Horse
  • CAntivirus
  • DRouter
785
Computer Science Medium Uploaded: 09 Aug 2026

Which device is used to convert digital signals to analog and vice versa?

  • ARouter
  • BSwitch
  • CModem
  • DHub
786
Computer Science Easy Uploaded: 09 Aug 2026

Who is known as the father of computers?

  • AJohn von Neumann
  • BCharles Babbage
  • CBill Gates
  • DAlan Turing
787
Chemistry Medium Uploaded: 07 Aug 2026

What is the SI unit of amount of substance?

  • AMole
  • BLitre
  • CGram
  • DKilogram
788
Chemistry Medium Uploaded: 07 Aug 2026

Which law states that matter can neither be created nor destroyed?

  • ALaw of Conservation of Mass
  • BLaw of Multiple Proportions
  • CAvogadro's Law
  • DLaw of Definite Proportions
789
Chemistry Hard Uploaded: 07 Aug 2026

Which quantum number describes the shape of an orbital?

  • AAzimuthal quantum number
  • BMagnetic quantum number
  • CSpin quantum number
  • DPrincipal quantum number
790
Chemistry Hard Uploaded: 07 Aug 2026

Which scientist proposed the modern periodic law?

  • AAntoine Lavoisier
  • BJohn Dalton
  • CDmitri Mendeleev
  • DHenry Moseley