NFA Computer Operator Model Past Paper 2021 PDF

Islamic Studies

Q. Age of Holy Prophet (PBUH) at death?
Answer: 63
Q. Seven rounds between Safa and Marwa are called?
Answer: Sayee
Q. First Muslim who sacrificed one eye?
Answer: Usman bin Mazoon
Q. The shortest Surah of the Holy Quran is _____?
Answer: Surah Al-Kausar
Q. Ameen–ul-Umat is the title of Hazrat________________(RA)?
Answer: Abu-Ubaida bin Al-Jaraah (RA)
Q. Surah Namal means?
Answer: The Ants
Q. Hazrat _______ accepted Islam first among Women.
Answer: Hazrat Khadija (RA)
Q. Injeel means_____?
Answer: Good news
Q. What was the first written constitution of the world?
Answer: Meesaq-e-Madina
Pakistan Affairs
Q Which is the capital of the country Angola?
Answer: Luanda
Q. Quaid e Azam remained President of Muslim League for how many year?
Answer: 34
Q. Pakistan National Movement was established by Ch. Rehmat Ali in the year?
Answer: 1933
Q. Lord Mountbatten passed away on?
Answer: 27 August 1979
Q. Who coined the name of Islamabad?
Answer:  Abdul Rehman Amritsary
Q. When first constitution of Pakistan was enforced?
Answer: 23rd March 1956
Q. The first governor general of Pakistan was:
Answer: Quaid-e-Azam Muhammad Ali Jinnah
Q. The first session of the first Constituent Assembly of Pakistan was held on ________?
Answer: 10th August 1947
Q. Gwadar is a part of which province?
Answer: Balochistan
Q. How many seats of Senate (Upper House) are there in Pakistan?
Answer: 96 (Previously 104, reduced after FATA merger)
Q. When Pakistan signed the Baghdad pact (CENTO)?
Answer: 23 September 1955
Q. To which province did Hussain Shaheed Suhrwardy belong to?
Answer: East Pakistan

NFA – Job Related Knowledge

Q. In Mass Spectrometry, what is the “Base Peak”?
Answer: The most intense peak in the spectrum, representing the most stable ion.
Q. Which detector is most commonly used in Gas Chromatography for the detection of hydrocarbons?
Answer: FID (Flame Ionization Detector).
Q. What is “ICP-MS” used for in forensic analysis?
Answer: Inductively Coupled Plasma Mass Spectrometry; used for highly sensitive detection of trace metals (e.g., in poison or glass cases).
Q. What does “Resolution” mean in chromatography?
Answer: The ability of a column to separate two closely eluting compounds.
Q. Which spectroscopic technique is non-destructive and used to identify gemstones or unknown liquids?
Answer: Raman Spectroscopy.
Q. In HPLC, what is “Reverse Phase” chromatography?
Answer: A setup where the stationary phase is non-polar and the mobile phase is polar.
Q. What is the purpose of a “Guard Column” in HPLC?
Answer: To protect the analytical column from contamination and particles.
Q. Which instrument is used to analyze the “Colorant” and “Fiber” chemistry of a single thread?
Answer: Microspectrophotometer.
Q. What is “Quenching” in fluorescence spectroscopy?
Answer: Any process which decreases the fluorescence intensity of a given substance.
Q. “X-ray Diffraction” (XRD) is primarily used to analyze which type of forensic evidence?
Answer: Crystalline materials (e.g., soil minerals, paint pigments, or explosives).

English 

Q. The Antonym of DEARTH is?
Answer: Abundance (Dearth means shortage)
Q. The synonym of ‘Obdurate’ is:
Answer: Stubborn
Q. The Synonym of ABANDON is?
Answer: Both A and B (Leave and Deserted)
Q. The Antonym of ‘Subversion’ is _____?
Answer: Equilibrium (or Compliance, depending on context)
Q. The Synonym of “Bemoan” is?
Answer: Lament
Q. The Antonym of Provoke is?
Answer: All of these (Soothe, Allay, Pacify)
Q. The antonym of Categorical:
Answer: Conditional
Q. The whole nation was ____ the president.
Answer: Behind
Q. Neha is traveling _____ the school.
Answer: Toward
Q. What is the synonym of WRATH?
Answer: Anger
Q. ____ you ever been to Amsterdam?
Answer: Have
Q. Which of the following spelling is correct?
Answer: Aggrandize
Q. The antonym of Military?
Answer: Civil

General Knowledge (Everyday Science & IT)

Q. Which Political Party was in Power in NWFP (now KPK) at the time of Independence?
Answer: Congress
Q. Mahatma Gandhi was assassinated by
Answer: Nathuram Godsey
Q. Which MS Access feature is used to copy a control formatting?
Answer: Format Painter
Explanation: Format Painter copies the formatting of a control to another control in Access.
Q. Which of the following is used for image editing?
Answer: Paint
Explanation: Paint is a basic software used for creating and editing images.
Q. Which is the national bird of Pakistan?
Answer: Chakor
Q. Silicon Valley is famous for ______?
Answer: Computers (Technology)
Q. What was the old name of PIA?
Answer: Orient Airways
Q. Which Muslim country is a member of NATO?
Answer: Turkey
Q. Which city is located in both Asia and Europe?
Answer: Istanbul
Q. Who is the current Aviation Minister of Pakistan?
Answer: Mohsin Naqvi (Current Caretaker/Recent context)
Q. The investigative journalist is not willing to reveal the identity of her ____
Answer: Informant
Q. When it comes to backstabbing a quill ___ be ___ than a dagger?
Answer: May be sharper
Q. The debate was ___ the following week.
Answer: Adjourned to
Q. 9/11 incident took place in which era of?
Answer: Pervaiz Musharraf
Q. What was the theme of World Leprosy Day for the year 2022?
Answer: United For Dignity
Q. Which of the following awarded the Nobel Peace Prize for 2021?
Answer: A & B both (Maria Ressa and Dmitry Muratov)
Q. How many medals has the United States (USA) won in the Olympics 2021?
Answer: 113
Q. How many Muslims won Nobel prize in literature in 2021?
Answer: 1 (Abdulrazak Gurnah)
Q. Pakistan acquires USD ____ billion loans in Fiscal year 2020-21.
Answer: USD 15.32 billion
Q. Which country is the worst passport in the world (Henley Index 2022)?
Answer: Afghanistan
Q. According to Transparency International, highly corrupt countries in 2020?
Answer: Both A and B (South Sudan and Somalia)
Q. Which Caribbean country removed Queen Elizabeth II as head of state in 2021?
Answer: Barbados
Q. Which phenomenon is responsible for the ‘Global Dimming’ that counteracts some of the effects of Global Warming?
Answer: Aerosol particles reflecting sunlight back into space.
Q. In the context of Human Biology, what is the ‘Telomere’ and why is it significant in aging?
Answer: Protective caps at the end of chromosomes that shorten as cells divide.
Q. Which chemical is primarily responsible for the ‘Blue Baby Syndrome’ (Methemoglobinemia)?
Answer: Nitrate.
Q. What is the fundamental difference between ‘Nuclear Fission’ and ‘Nuclear Fusion’?
Answer: Fission splits heavy nuclei; fusion joins light nuclei.
Q. Which layer of the atmosphere is known as the ‘Heat Sphere’?
Answer: Thermosphere.
Q. Ozone depletion is mainly caused by which chemicals?
Answer: Chlorofluorocarbons (CFCs).
Q. What does the Heisenberg Uncertainty Principle state?
Answer: Exact position and momentum of a particle cannot be known simultaneously.
Q. Which vitamin is known as Tocopherol?
Answer: Vitamin E.
Q. What is the main biological cause of antibiotic resistance?
Answer: Genetic mutation and gene transfer.
Q. Which part of the brain controls decision making and personality?
Answer: Prefrontal Cortex.
Q. What is the Albedo Effect?
Answer: Reflection of solar energy from Earth’s surface.
Q. Which enzymes are known as molecular scissors in genetic engineering?
Answer: Restriction enzymes.
Q. Which isotope is used in carbon dating?
Answer: Carbon-14.
Q. What is the main component of biogas?
Answer: Methane.
Q. Which principle explains how airplane wings generate lift?
Answer: Bernoulli’s Principle.
Q. What is the difference between cloud computing and edge computing?
Answer: Cloud processes data on centralized servers; edge processes data near the source.
Q. What is a zero-day vulnerability?
Answer: A security flaw unknown to the vendor.
Q. What does blockchain technology provide?
Answer: Decentralized and immutable digital ledger.
Q. Which protocol secures HTTPS communication?
Answer: SSL/TLS.
Q. What is Agentic AI?
Answer: AI that can take actions independently to achieve goals.
Q. What is overfitting in machine learning?
Answer: When a model learns training data too well and fails on new data.
Q. What is RAID 5 used for?
Answer: Data redundancy and performance.
Q. Which architecture is used in modern web services with independent components?
Answer: Microservices Architecture.
Q. What is virtualization in IT?
Answer: Creating virtual versions of hardware resources.
Q. MongoDB belongs to which type of database?
Answer: NoSQL database.
Q. What is BGP used for in networking?
Answer: Routing between autonomous systems on the internet.
Q. What does the Turing Test measure?
Answer: Machine intelligence similar to humans.
Q. What is Quantum Supremacy?
Answer: When a quantum computer solves problems impossible for classical computers.
Q. Which Linux command changes file ownership?
Answer: chown.
Q. What is phishing?
Answer: Fraudulent messages used to steal personal information.

Current Affairs

Q. Which country hosted the ICC Champions Trophy 2025?
Answer: Pakistan.
Q. Which neighboring country did Pakistan conduct airstrikes in during 2026?
Answer: Afghanistan.
Q. Which militant group is often involved in attacks in Balochistan?
Answer: Balochistan Liberation Army (BLA).
Q. Which militant group was targeted in Pakistan’s 2026 airstrikes in Afghanistan?
Answer: Tehrik-e-Taliban Pakistan (TTP).
Q. Which country will host the South Asian Games 2027?
Answer: Pakistan.
Q. Which Pakistani department won the National Football Challenge Cup 2026?
Answer: WAPDA.
Q. Which ministry controls the Federal Investigation Agency (FIA)?
Answer: Ministry of Interior.
Q. What is the main purpose of CPEC?
Answer: Economic connectivity between Pakistan and China.
Q. Which organization coordinates international police cooperation?
Answer: INTERPOL.
Q. Which international financial institution often supports Pakistan with economic programs?
Answer: IMF.

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