PPSC Past Papers 2025

Computers are typically classified based on various attributes, including size, processing power, and purpose. Supercomputers, Mainframes, and Microcomputers are all classifications based primarily on their physical size, capacity, and performance.

• A Digital Computer, however, is classified based on the type of data it processes. Digital computers process discrete data, represented by binary digits (0s and 1s), as opposed to analog computers which process continuous data. Therefore, 'Digital Computer' describes a fundamental operational characteristic rather than a size category.

The Conference of the Parties (COP) is the supreme decision-making body of the United Nations Framework Convention on Climate Change (UNFCCC), responsible for monitoring and reviewing the implementation of the Convention. Each session addresses critical climate change issues.

• The twenty-third session of the Conference of the Parties (COP 23), held from 6–17 November 2017, was officially hosted by Fiji but took place in Bonn, Germany. This was due to Fiji's logistical constraints as a small island developing state.
• "Kyoto, Japan" hosted COP 3, where the Kyoto Protocol was adopted.
• "Marrakech, Morocco" hosted COP 7 and COP 22.
• "Rome, Italy" has not been a host city for a COP session.

The Formula Bar in Excel is a crucial interface element located at the top of the worksheet window. It displays the content of the active cell, whether it's a value, text, or a formula. Crucially, the cell reference (e.g., A1, B5) of the currently selected cell is shown in the Name Box, which is an integral part of the Formula Bar area. Therefore, it's where the cell reference is displayed.

• Status Bar: Located at the bottom, showing information like sum or average of selected cells.
• Chart Bar: Not a standard Excel interface element.
• Name Bar: While the Name Box shows the reference, it's part of the Formula Bar.

Understanding the various boundary lines in South Asia is crucial for comprehending regional geopolitics. Disputed borders often lead to significant international tensions.

• The Line of Actual Control (LAC) is the correct answer. It is the demarcation line that separates Indian-controlled territory from Chinese-controlled territory in the Sino-Indian border dispute. Unlike a legally defined international border, the LAC is a de facto boundary.
• The Durand Line is the border between Afghanistan and Pakistan.
• The McMahon Line is a specific proposed boundary in the eastern sector of the India-China border, which China disputes, but the overall disputed boundary is referred to as the LAC.
• The Line of Control (LoC) is the de facto military control line between India and Pakistan in the former princely state of Jammu and Kashmir.

The Title Bar is consistently located at the very top of the MS Word window. Its primary function is to display the name of the currently open document and the application itself (e.g., 'Document1 - Word'). This allows users to quickly identify the file they are working on.

• Status Bar: Found at the bottom of the Word window, providing information like page number, word count, and proofing errors.
• Formula Bar: This is an Excel-specific feature, not present in MS Word.
• Menu Bar: While Word has menus (now often integrated into the Ribbon), the topmost bar is specifically the Title Bar.

The Donbass region, comprising the Donetsk and Luhansk oblasts in eastern Ukraine, has been at the heart of a significant geopolitical conflict. This dispute has profound implications for regional stability and international relations.

• The conflict in Donbass is primarily a dispute between Ukraine and Russia. It began in 2014 with Russian-backed separatists declaring independence in parts of the region, escalating into a full-scale invasion by Russia in 2022.
• "Russia and the EU" are not directly disputing Donbass, though the EU has imposed sanctions on Russia due to the conflict.
• "Ukraine and Poland" are generally allies, with Poland being a strong supporter of Ukraine.
• "Ukraine and Belarus" are not in a direct dispute over Donbass; Belarus has supported Russia's actions against Ukraine.

The word Melancholy refers to a feeling of pensive sadness, typically with no obvious cause, or a state of deep, often prolonged, sadness. Therefore, Sorrowful is the most accurate synonym, meaning feeling or showing sorrow; sad.

• Joyful: Means feeling, expressing, or causing great pleasure and happiness, which is an antonym.
• Cheerful: Means noticeably happy and optimistic, also an antonym.
• Excited: Means very enthusiastic and eager, which is a different emotional state, often positive, and not related to sadness.

The correct answer is 80%. Maritime transport is the backbone of global trade, facilitating the movement of an immense volume of goods across continents. This high percentage underscores the efficiency, cost-effectiveness, and capacity of shipping compared to other modes of transport like air, road, or rail for international trade.

• A: 40% is incorrect; this significantly underestimates the role of shipping.
• B: 60% is incorrect; while substantial, it still falls short of the actual figure.
• C: 70% is incorrect; this is closer but not the precise widely accepted statistic.
• D: 80% is accurate, reflecting the dominance of sea freight in world trade by volume.

The correct answer is Africa. Africa is home to 54 recognized countries, making it the continent with the highest number of independent nations. This reflects its diverse political landscape and historical development.

• A: South America has 12 countries, significantly fewer than Africa.
• B: Asia has 48 countries, which is a large number but still less than Africa.
• C: Africa is correct with 54 countries.
• D: Europe typically has around 44 to 50 countries, depending on political definitions, but fewer than Africa.

The correct answer is 1658. The Battle of Samugarh was a pivotal engagement fought on May 29, 1658, during the Mughal War of Succession. It was a decisive victory for Aurangzeb over his elder brother Dara Shikoh, significantly altering the course of Mughal history.

• A: 1658 is the correct year for the Battle of Samugarh.
• B: 1667 is incorrect; this date falls outside the period of the Mughal War of Succession.
• C: 1660 is incorrect; the major battles of the succession war concluded by 1659.
• D: 1666 is incorrect; this year is not associated with the Battle of Samugarh.

The analogy presented is a cause-and-effect relationship where the first word describes a condition, and the second word describes a resulting state or symptom. Thirst is a condition that causes one to become parched, meaning extremely dry. Similarly, fever is a condition that causes a person to become flushed, characterized by a red and hot face.

• Option B (Fever: Flushed) accurately reflects this relationship.
• Option A (Laughter: Appeased) is incorrect because laughter does not cause appeasement; appeasement is often a state of being satisfied or calmed.
• Option C (Water: Sink) presents two unrelated nouns; water is a substance, and a sink is a fixture.
• Option D (Hunger: Strangled) is incorrect as hunger does not cause strangulation; strangulation means to choke.

The correct answer is 1948. After gaining independence in 1947, Pakistan began establishing its own national symbols and institutions. The issuance of its first distinct coins and banknotes in 1948 was a crucial step in asserting its economic sovereignty and identity, moving away from the use of British Indian currency.

• A: 1947 was the year of independence, but the new currency was issued the following year.
• B: 1948 is the correct year when Pakistan issued its first official coins and banknotes.
• C: 1950 is incorrect; the currency was introduced earlier.
• D: 1952 is incorrect; this date is too late for the initial currency issuance.

Immediately after its independence in 1947, Pakistan was formed with four provinces: East Bengal, West Punjab, Sindh, and the North-West Frontier Province (NWFP). Balochistan was administered as a Chief Commissioner's Province, and several princely states acceded to Pakistan over time, but these were not initially full provinces. Therefore, option B is correct.

• Option A (3) is incorrect as it omits one of the foundational provinces.
• Option C (5) is incorrect because Balochistan was not a full province at the time of independence.
• Option D (7) is incorrect, significantly overstating the number of initial provinces.

For the fiscal year 2023–24, Pakistan's Defence Budget was allocated PKR 1.804 trillion. This significant allocation underscores the nation's commitment to its security and defence capabilities, reflecting ongoing geopolitical challenges and strategic priorities. The budget is a crucial component of national expenditure, supporting military operations, equipment procurement, and personnel welfare. Therefore, option B is the correct figure.

• Options A (PKR 1.604 trillion), C (PKR 2.004 trillion), and D (PKR 1.504 trillion) are incorrect figures and do not align with the officially announced defence budget for the specified fiscal year.

In 2024, Munir Akram served as Pakistan's Permanent Representative to the United Nations in New York. He assumed this critical diplomatic role in November 2019, representing Pakistan's interests and policies on various global issues at the UN. His extensive experience in diplomacy makes him a key figure in Pakistan's foreign policy. Therefore, option C is correct.

• Option A (Maleeha Lodhi) previously held the position but was replaced by Munir Akram.
• Option B (Sherry Rehman) is a prominent politician and diplomat, but not the UN Ambassador in 2024.
• Option D (Shamshad Akhtar) is an economist and former caretaker finance minister, not the UN Ambassador.

According to IQAir's 2024 World Air Quality Report, Pakistan was ranked as the 3rd most polluted country globally. This ranking highlights the severe air quality challenges faced by Pakistan, primarily driven by factors such as industrial emissions, vehicular pollution, agricultural burning, and brick kilns. Poor air quality has significant adverse impacts on public health and the environment. Therefore, option C is accurate.

• Options A (1st), B (2nd), and D (4th) are incorrect. While Pakistan consistently ranks among the most polluted nations, the specific ranking for 2024 by IQAir was 3rd, with Bangladesh and India ranking 1st and 2nd, respectively.

A sea breeze is a local wind system that develops during the day when the land heats up faster than the adjacent sea. The warmer air over the land rises, creating an area of lower atmospheric pressure. Cooler, denser air from over the sea then flows inland to replace the rising warm air, resulting in a breeze blowing from the sea to the land.

• Land breeze is the opposite, occurring at night when the land cools faster than the sea, causing wind to blow from land to sea.
• Monsoon refers to large-scale seasonal wind shifts, not a daily local phenomenon.
• Cyclone is a large, rotating storm system, unrelated to the daily sea-to-land wind pattern.

The Bolan Pass is a significant mountain pass located in the Baluchistan province of Pakistan. It is a crucial strategic and trade route connecting Quetta with the plains of Sindh, historically used by traders, invaders, and migrants.

• Punjab is known for its fertile plains and rivers in eastern Pakistan.
• Sindh is located in southeastern Pakistan, characterized by its desert and coastal areas.
• Khyber Pakhtunkhwa (formerly NWFP) is in northwestern Pakistan and is home to the famous Khyber Pass, which is distinct from the Bolan Pass.

The FORTRAN (Formula Translation) programming language was invented by John Backus and his team at IBM in the 1950s. It was one of the first high-level programming languages and was specifically designed for scientific and engineering applications, revolutionizing how complex calculations were performed on computers.

• Charles Babbage is known as the 'Father of the Computer' for his conceptual designs of mechanical computers in the 19th century.
• Dennis Ritchie was instrumental in creating the C programming language and co-developing the Unix operating system.
• James Gosling is widely recognized as the 'Father of Java' for his work on the Java programming language.