PPSC Past Papers & Solved MCQs

Mount Damavand is a prominent natural landmark located in A: Iran. It is the highest peak in Iran and the highest volcano in Asia, standing majestically in the Alborz mountain range, south of the Caspian Sea. This stratovolcano is a significant cultural and geographical symbol for the country, often featured in Persian mythology and literature.

B: Turkey is home to its own impressive mountains, such as Mount Ararat, but not Damavand. C: Tekstan is not a recognized country. D: Pakistan is renowned for its towering peaks in the Himalayas and Karakoram ranges, including K2, but Mount Damavand is distinctly an Iranian feature. Its unique volcanic nature and elevation make it a key geographical identifier for Iran.

The Earth's ozone layer, located in the stratosphere, is crucial for absorbing harmful ultraviolet (UV) radiation from the sun. Certain human-made chemicals can deplete this protective layer, leading to increased UV exposure and associated health risks.

• A: CFCs (Chlorofluorocarbons) are the primary ozone-depleting substances. These chemicals, once widely used in refrigerants and aerosols, release chlorine atoms that catalytically destroy ozone molecules.
• B: Carbon dioxide is a major greenhouse gas contributing to climate change, but it is not a primary ozone-depleting substance.
• C: Carbon monoxide is a toxic air pollutant, but it does not directly deplete the ozone layer.
• D: Acetylene is a hydrocarbon gas used in welding, and it is not known to be an ozone-depleting substance.

The groundbreaking collection of poetry titled “Mavra” was written by Noon Meem Rashid. Published in 1940, 'Mavra' is considered a landmark work in modern Urdu literature. Rashid is celebrated for pioneering free verse in Urdu poetry, breaking away from traditional forms and meters, and introducing new themes and expressions. His work significantly influenced subsequent generations of Urdu poets.

• Ismat Chughtai was a renowned Urdu short story writer and novelist, known for her progressive and often controversial themes, but not the author of 'Mavra'.
• Krishan Chandar was a prominent Urdu short story writer and novelist, known for his realistic and satirical works, but not associated with 'Mavra'.
• Mumtaz Mufti was an acclaimed Urdu short story writer and novelist, known for his unique style and psychological insights, but not the author of 'Mavra'.

The US-led QUAD, officially known as the Quadrilateral Security Dialogue, is a strategic grouping comprising four countries. These nations are the United States, Japan, Australia, and India. Formed to promote a free, open, prosperous, and inclusive Indo-Pacific region, the QUAD focuses on cooperation across various domains, including maritime security, economic development, disaster relief, and addressing regional challenges.

Therefore, B: 4 is the correct number of member countries. Options A: 2, C: 6, and D: 8 are incorrect. The QUAD's structure is specifically defined by these four democratic nations, working collaboratively to enhance stability and prosperity in a crucial geopolitical area. Its purpose is to foster dialogue and joint initiatives among its members.

The age at which a president assumes office is a notable historical detail. While Theodore Roosevelt was younger when he *succeeded* to the presidency, the question specifically asks for the youngest *elected* president, referring to the age at inauguration after winning an election.

• D: John F. Kennedy holds the distinction of being the youngest person ever *elected* to the U.S. presidency. He was inaugurated on January 20, 1961, at the age of 43.
• A: James Monroe was 58 when he became president.
• B: Abraham Lincoln was 52 when he took office.
• C: Herbert Hoover was 54 at his inauguration. These individuals were all significantly older than Kennedy when they assumed the presidency after being elected.

The question asks to identify the founder of Facebook. Facebook is a globally recognized social networking service that revolutionized online communication.

The correct answer is Mark Zuckerberg. Mark Zuckerberg co-founded Facebook (originally 'Thefacebook') in 2004 while he was a student at Harvard University, along with fellow students Eduardo Saverin, Andrew McCollum, Dustin Moskovitz, and Chris Hughes. He has been the chairman and CEO of Meta Platforms (Facebook's parent company) since its inception.

• Michael S. Dell is the founder of Dell Technologies, a prominent computer technology company.
• Bill Gates is the co-founder of Microsoft, a multinational technology corporation known for its software and operating systems.
• Tim Berners-Lee is credited with inventing the World Wide Web, a foundational technology for the internet.

Therefore, Mark Zuckerberg is accurately identified as the founder of Facebook.

The atomic bomb named “Little Boy” was tragically dropped by the United States on the Japanese city of A: Hiroshima on August 6, 1945, during the final stages of World War II. This devastating event marked the first use of an atomic weapon in warfare, causing immense destruction and loss of life. The decision to deploy "Little Boy" was a pivotal moment in human history.

B: Nagasaki was the target of the second atomic bomb, "Fat Man," three days later, on August 9, 1945. C: Tokyo, the capital, and D: Osaka were subjected to extensive conventional firebombing campaigns but were not targeted with atomic weapons. The bombings of Hiroshima and Nagasaki ultimately led to Japan's surrender.

Treaties are formal agreements between states that often conclude wars and establish new international orders. The mid-17th century saw a pivotal treaty that reshaped European politics and laid foundations for modern international relations.

• A: Treaty of Westphalia, signed in 1648, is the correct answer. It comprised a series of peace treaties that ended both the Thirty Years' War in the Holy Roman Empire (involving German states and others) and the Eighty Years' War between Spain and the Dutch Republic, establishing the concept of state sovereignty.
• B: Treaty of Paris refers to several treaties throughout history, none specifically ending this particular conflict involving Spain, Germany, and the Dutch.
• C: Treaty of Versailles was signed in 1919, ending World War I, centuries after the conflicts mentioned.
• D: None is incorrect because the Treaty of Westphalia directly addresses the question.

The question asks to identify the author of the book “Mein Kampf.” “Mein Kampf,” which translates to “My Struggle,” is an autobiographical manifesto that outlines the author's political ideology and future plans for Germany.

The correct answer is Adolf Hitler. Hitler wrote this book while imprisoned after the failed Beer Hall Putsch in 1923. It became a foundational text for Nazism, detailing his antisemitic views, racial theories, and expansionist foreign policy, which profoundly influenced the course of World War II and the Holocaust.

• Bill Clinton served as the 42nd President of the United States and is known for his political memoirs, not “Mein Kampf.”
• Nelson Mandela was an anti-apartheid revolutionary and former President of South Africa, famous for his autobiography “Long Walk to Freedom.”
• All of these is incorrect because only one individual authored “Mein Kampf.”

Thus, Adolf Hitler is the sole author of “Mein Kampf.”

Sam Nujoma is a pivotal figure in African history, renowned as the first President of Namibia. He led the South West Africa People's Organization (SWAPO) in its struggle for independence against South African rule. After decades of conflict and political activism, Namibia finally achieved independence in 1990, with Nujoma subsequently elected as its inaugural president, serving three terms until 2005.

• Morocco, South Africa, and Algeria are all sovereign African nations, but none are Nujoma's home country.
• South Africa historically administered Namibia (then South West Africa), but Nujoma fought against this occupation, making it an incorrect choice for his nationality.

The theory of evolution is a cornerstone of modern biology, explaining the diversity of life on Earth through natural processes over vast periods. Its development revolutionized scientific understanding of life's origins and development.

• C: Darwin, specifically Charles Darwin, is credited with developing the theory of evolution by natural selection. His seminal work, 'On the Origin of Species,' published in 1859, presented compelling evidence and a mechanism for evolutionary change.
• A: Maulana Hasan Ahmad Madani and B: Shabir Ahmad Usmani were prominent Islamic scholars, not figures in evolutionary biology.
• D: Mendeleev, Dmitri Mendeleev, is renowned for formulating the Periodic Law and creating the periodic table of elements in chemistry, not for the theory of evolution.

The question asks where the Cerebrum, Thalamus, and Hypothalamus are parts of. These are crucial structures within the human nervous system, each with distinct and vital functions.

The correct answer is Brain. The Cerebrum is the largest part of the brain, responsible for higher functions like thought, voluntary movement, language, and memory. The Thalamus acts as a relay station for sensory information, directing it to the appropriate areas of the cerebrum. The Hypothalamus controls essential bodily functions such as hunger, thirst, body temperature, and hormone release. All three are integral components of the brain.

• The Spinal Cord is part of the Central Nervous System but is distinct from the brain and does not contain these specific structures.
• The CNS (Central Nervous System) includes both the brain and the spinal cord. While these structures are in the CNS, 'Brain' is a more precise answer.
• The PNS (Peripheral Nervous System) consists of nerves outside the brain and spinal cord, not containing these central processing units.

Therefore, the Cerebrum, Thalamus, and Hypothalamus are all parts of the brain.

A light-year is a unit of distance, not time, used in astronomy to measure the vast expanses of space. It represents the distance that light travels in a vacuum in one Julian year, which is approximately 9.461 trillion kilometers (about 5.879 trillion miles). This immense unit is essential for comprehending the scale of the universe.

• The correct answer is Stars because light-years are primarily used to measure distances between celestial bodies that are incredibly far apart, such as different star systems or galaxies.
• Distances between the Earth and Moon, Sun and Earth, or within our solar system's planets are much smaller and are typically measured in kilometers, miles, or Astronomical Units (AU), making a light-year an impractical and excessively large unit for these relatively close distances.

Keyboard navigation keys are essential tools for efficient text editing and document manipulation. Understanding the primary function of each key can significantly improve productivity when working with various applications.

• D: Moves cursor to beginning of line is the correct primary function of the Home key. When pressed alone, it repositions the cursor to the leftmost character of the current line of text.
• A: Moves cursor to beginning of document is incorrect for the standalone Home key; this action typically requires a combination like Ctrl+Home.
• B: Moves cursor to beginning of paragraph is not the standard function of the Home key.
• C: Moves cursor to beginning of screen is also not its primary function; it's line-specific, not screen-specific.

The question asks to identify the longest river in the world. Rivers are natural flowing watercourses, and their length can sometimes be subject to debate due to varying measurement methods.

The correct answer is Nile. The Nile River, flowing approximately 6,650 kilometers (4,132 miles) through northeastern Africa, has traditionally been recognized as the longest river globally. It has played a pivotal role in the development of ancient Egyptian civilization and continues to be a vital water source for many countries.

• The Amazon River, primarily in South America, is the largest river by discharge volume and is sometimes contended to be longer than the Nile, depending on the definition of a river's source. However, conventionally, the Nile holds the title.
• The Yangtze River is the longest river entirely within Asia and the third-longest in the world.
• The Mississippi River is a major river in the United States, but significantly shorter than the Nile or Amazon.

Thus, the Nile River is widely accepted as the longest river in the world.

The phrase “Weal and Woe” is an idiomatic expression that encapsulates the full spectrum of human experience, particularly regarding fortune and misfortune. It refers to the alternating periods of good times and bad times, or happiness and sadness, that individuals encounter throughout their lives.

• The correct answer, Sorrow and Joy, perfectly captures this meaning. 'Weal' signifies well-being, prosperity, or joy, while 'woe' denotes great sorrow, distress, or misfortune.
• Up and Down is too general and doesn't specifically convey the emotional or experiential depth of the phrase.
• Extreme hate is entirely unrelated to the meanings of 'weal' or 'woe,' which pertain to states of fortune or emotion rather than animosity.
• Therefore, 'Sorrow and Joy' accurately represents the contrasting elements of life's fortunes.

The question asks about the gas commonly used in welding. Acetylene (C2H2) is the correct answer because it is a highly combustible hydrocarbon gas that, when combined with oxygen in an oxy-fuel torch, produces an extremely hot flame (up to 3,500 °C or 6,330 °F). This intense heat is ideal for melting and joining metals, making it a primary fuel gas for various welding and cutting applications.

• Hydrogen can be used in some specialized welding processes, but it does not achieve the same high temperatures as oxy-acetylene and is not as universally applied for general welding.
• Nitrogen is an inert gas primarily used as a shielding gas in certain welding techniques to prevent atmospheric contamination, not as a fuel gas to generate heat.
• Therefore, 'all' is incorrect as hydrogen and nitrogen do not serve the same primary fuel purpose as acetylene in common welding practices.

The question asks to whom the title “Madr-e-Millat” belongs. “Madr-e-Millat” is an Urdu title that translates to “Mother of the Nation,” signifying immense respect and national importance.

The correct answer is Fatima Jinnah. Fatima Jinnah was the younger sister of Muhammad Ali Jinnah, the founder of Pakistan. She was a prominent figure in the Pakistan Movement, actively participating in political and social activities alongside her brother. Her unwavering support and contributions to the nation's establishment, as well as her advocacy for women's rights, earned her the revered title of “Madr-e-Millat” in Pakistan.

• Sheikh Hasina is the current Prime Minister of Bangladesh.
• Benazir Bhutto was a former Prime Minister of Pakistan and the first woman to head a democratic government in a Muslim-majority country.
• None is incorrect, as Fatima Jinnah is indeed known by this title.

Therefore, Fatima Jinnah is rightfully known as “Madr-e-Millat.”

Among the four Grand Slam tennis tournaments, each is traditionally played on a distinct surface, influencing the game's style and speed. These major tournaments are the Australian Open, French Open, Wimbledon, and US Open.

• Wimbledon, held annually in London, England, is famously the only Grand Slam tournament played on grass courts. This traditional surface results in a faster game with lower ball bounces, favoring players with strong serves and volleys.
• The Australian Open and US Open are played on hard courts, which offer a consistent bounce and medium speed.
• The French Open (Roland Garros) is unique for being played on red clay courts, known for slowing down the ball and producing higher bounces, favoring baseline players.

The question asks to identify Usher and Zakat. The correct answer is Two kinds of tax in Islam. These terms refer to specific forms of obligatory financial contributions within Islamic economic jurisprudence, designed for wealth redistribution and social welfare.

• Zakat is an annual obligatory charity or religious tax paid by Muslims who meet a certain threshold of wealth (nisab) to specific categories of beneficiaries, such as the poor and needy. It is one of the Five Pillars of Islam.
• Usher (or Ushr) is an agricultural tax levied on the produce of land, typically 10% for naturally irrigated land and 5% for artificially irrigated land. Both are fundamental components of the Islamic economic system.
• Options like 'Two prominent warriors' or 'Two months of Islamic calendar' are incorrect as they bear no relation to the established meanings of Usher and Zakat.

K2, also known as Mount Godwin-Austen or Chhogori, is the second-highest mountain on Earth, with a total elevation of 8,611 meters (28,251 feet) above sea level. Located on the China–Pakistan border in the Karakoram range, K2 is widely regarded by climbers as one of the most challenging and dangerous mountains to summit, earning it the nickname "The Savage Mountain." Its extreme height, combined with severe weather conditions, treacherous climbing routes, and significant technical difficulty, makes it a formidable objective for even the most experienced mountaineers. Unlike Mount Everest, which has a higher total altitude, K2's isolation and steep, vertical relief create a more demanding environment that requires exceptional skill and stamina to navigate. The 8,611-meter elevation makes it the highest point in the Karakoram range and a prominent feature of the high-altitude landscape of northern Pakistan.

The Two-Nation Theory was a foundational concept for the creation of Pakistan, asserting that Hindus and Muslims in British India were two distinct nations with separate cultures, religions, and social customs, thus requiring separate homelands. While many figures contributed to its development and popularization, one individual is widely credited with its initial articulation.

• Sir Syed Ahmad Khan is recognized as the first to formally present and articulate the Two-Nation Theory in the mid-19th century. He observed the growing divergence between the two communities after the 1857 revolt.
• Allama Iqbal, a renowned poet and philosopher, later provided a philosophical vision for a separate Muslim state.
• Quaid-e-Azam Muhammad Ali Jinnah was the political leader who ultimately championed and achieved the creation of Pakistan based on this theory, but he built upon the intellectual groundwork laid by others.

The original sentence, 'Lying on the grass, a snake bit him,' contains a dangling modifier. The introductory phrase 'Lying on the grass' incorrectly suggests that the snake was lying on the grass, not the person. The phrase must logically modify the subject immediately following it.

• The correct sentence is 'Lying on the grass, he was bitten by a snake.' Here, 'Lying on the grass' correctly modifies 'he,' clarifying that the person was the one on the grass.
• Option A, 'Lying on the grass, a snake was bitten by him,' still implies the snake was on the grass.
• Option B, 'A snake bit him lying on the grass,' is grammatically correct but changes the sentence structure significantly and doesn't directly address the dangling modifier in the initial position as effectively as option C.
• Therefore, option C provides the most accurate and grammatically sound correction.

The stethoscope is a crucial medical instrument used for auscultation, allowing healthcare professionals to listen to internal sounds of the body, such as heartbeats, lung sounds, and bowel movements. The correct answer is Rene Laennec.

• Rene Laennec, a French physician, invented the stethoscope in 1816. He developed it after observing that a rolled-up paper tube could amplify heart sounds, leading to his creation of the first wooden monaural stethoscope.
• Martin Cooper is widely recognized for inventing the first handheld cellular mobile phone in 1973.
• Dave Hyatt is a prominent software engineer known for his work on web browsers, including Safari and Firefox.
• Steven Sasson is an electrical engineer credited with inventing the first self-contained digital camera in 1975.

Jamaat-e-Islami is a significant Islamist political party in South Asia, known for its advocacy of an Islamic way of life and the establishment of an Islamic state. Its founding marked a crucial moment in the political and religious landscape of the Indian subcontinent.

• The party was established in 1941 by the influential Islamic scholar and ideologue Abul A'la Maududi. The founding took place in Lahore, which was then part of British India and is now in Pakistan.
• Its formation predates the partition of India and Pakistan in 1947.
• The years 1901, 1961, and 1951 are incorrect dates for the establishment of Jamaat-e-Islami. The party's origins are firmly rooted in the pre-partition era, reflecting the intellectual and political currents leading up to the creation of Pakistan.