PPSC Past Papers 2025

The correct answer is 75%. Sedimentary rocks, which are formed from the accumulation and compaction of sediments, cover approximately 75% of the Earth's land surface. These rocks are crucial for understanding Earth's history, climate, and past life forms, often containing fossils.

• 50%, 65%, and 85% are incorrect percentages. While sedimentary rocks cover a vast area of the land surface, they constitute a much smaller percentage (about 5%) of the Earth's crust by volume, as igneous and metamorphic rocks make up the bulk of the crust.

The correct answer is 1957. Sputnik 1, the first artificial Earth satellite, was successfully launched by the Soviet Union on October 4, 1957. This monumental event marked the beginning of the Space Race between the USSR and the USA, profoundly influencing scientific and technological advancements globally.

• 1947 was too early, shortly after World War II, before the major push into space exploration.
• 1953 was also before the critical developments that led to the Sputnik launch.
• 1963 was after Sputnik, a period characterized by more advanced space missions and the escalation of the Space Race.

Under the old rules of field hockey, if the ball became lodged in the goalkeeper's pads, the game was restarted with a bully. A bully involved two opposing players tapping their sticks on the ground and then each other's sticks three times before attempting to hit the ball, ensuring a fair and neutral restart. This rule was designed to prevent unfair advantages and maintain the flow of the game. Options A and B are incorrect because the game must always be restarted after such an incident. Option D is too general and incorrect.

Computer data can originate from both primary and secondary sources.

• Primary sources refer to data entered directly into the computer in real-time, such as user input via a keyboard or mouse, or data from sensors.
• Secondary sources involve data retrieved from storage devices like hard drives, SSDs, USB drives, or network servers, where it was previously saved.

Therefore, a computer system is designed to process information from both immediate input and stored records. Options A and B are incomplete as they only cover one type of source, and option D is incorrect.

The mole is the SI unit for the amount of substance. It quantifies the number of elementary entities (like atoms, molecules, or ions) present in a sample. One mole is defined as the amount of substance that contains Avogadro's number (approximately 6.022 x 10^23) of particles. While related to mass and volume for specific substances, the mole fundamentally measures the quantity of particles. Options B (Volume), C (Weight), and D (Length) are incorrect as they are distinct physical quantities measured by different SI units.

The chemical formula for common table sugar, which is sucrose, is C12H22O11. Sucrose is a disaccharide, meaning it is formed from two simpler sugar molecules (glucose and fructose) joined together. This formula accurately represents the precise number of carbon, hydrogen, and oxygen atoms that constitute one molecule of sucrose. Understanding the correct chemical formula is fundamental in chemistry for identifying and working with substances. Options A, C, and D are incorrect chemical representations for sucrose.

This analogy question establishes a relationship between an adult animal and its young. A Kitten is the young of a Cat. Following this pattern, the correct option must present an adult animal and its corresponding young.

• Cow : Calf correctly matches this relationship, as a Calf is the young of a Cow.
• Option A (Hen : Cock) represents male and female adults.
• Option B (Duck : Geese) represents two different adult bird species.
• Option C (Snake : Slither) represents an animal and its characteristic movement.

Therefore,

The provided question and its corresponding options are presented in an unreadable or corrupted format, making it impossible to accurately analyze the content or determine the foundational concepts being tested. Consequently, a detailed explanation of why the correct option is accurate and why the distractors are false cannot be provided. For effective learning and fair assessment, it is crucial that all quiz elements, including questions and options, are clearly articulated and comprehensible. Without decipherable text, any attempt to explain the correct answer or refute the distractors would be purely speculative and not educationally valuable. This highlights the importance of clear communication in educational materials.

The correct answer is 1959. The first significant agricultural reforms in Pakistan were introduced in 1959 under the military government of General Ayub Khan. These reforms aimed to address land ownership inequalities, consolidate fragmented landholdings, and boost agricultural productivity across the nation.

• 1948 and 1951 were early years after Pakistan's independence, but major land reforms were not implemented during these periods.
• 1972 saw further, more extensive land reforms under Zulfiqar Ali Bhutto's government, but 1959 marks the initial introduction of such reforms.

The correct answer is 1963. The border agreement between Pakistan and China was signed on March 2, 1963. This landmark agreement formally delimited the border between the two countries, primarily in the Gilgit-Baltistan region of Pakistan and the Xinjiang region of China, resolving long-standing territorial disputes peacefully.

• 1956 was too early for this specific border agreement.
• 1971 was the year of the Bangladesh Liberation War, which is unrelated to the Pak-China border agreement.
• 1982 was much later than the actual signing of this historical accord.

The correct answer is 1928. The All-Parties Conference (APC) was held in 1928, leading to the famous Nehru Report. This conference was convened to draft a constitution for India in response to the all-British Simon Commission, which had no Indian representation. It was a significant step in India's struggle for self-governance.

• 1930 was the year of the Salt March and the first Round Table Conference.
• 1940 was when the Lahore Resolution (Pakistan Resolution) was passed, demanding a separate homeland for Muslims.
• 1946 was the year of the Cabinet Mission Plan, which proposed a framework for India's independence.

The Harry Potter series is a globally renowned fantasy book series that captivated millions of readers worldwide. The author responsible for creating this magical universe, featuring Harry Potter, Hermione Granger, and Ron Weasley, is J.K. Rowling. Her imaginative storytelling brought Hogwarts School of Witchcraft and Wizardry to life.

• Option A, "J.R.R. Tolkien," is famous for writing "The Lord of the Rings" and "The Hobbit."
• Option C, "George R.R. Martin," is the author of "A Song of Ice and Fire," the series adapted into "Game of Thrones."
• Option D, "C.S. Lewis," is known for "The Chronicles of Narnia."

Each of these authors is celebrated in the fantasy genre, but J.K. Rowling is uniquely associated with Harry Potter.

The International Monetary Fund (IMF) is a crucial international organization established to foster global monetary cooperation, secure financial stability, facilitate international trade, promote high employment and sustainable economic growth, and reduce poverty worldwide. Its primary function, as stated in option C, is Providing financial assistance and economic stability to member countries, typically through loans and policy advice during economic crises.

• Option A, "Providing loans to individuals," is incorrect as the IMF lends to countries, not individuals.
• Option B, "Regulating global oil prices," is not within the IMF's mandate; this is influenced by market forces and organizations like OPEC.
• Option D, "Controlling international trade," is also incorrect; while the IMF facilitates trade by promoting stable exchange rates, direct control is more aligned with the World Trade Organization (WTO).