PPSC Past Papers 2025

Explanation: Why? Cutting trees exposes soil, making it prone to erosion by wind and water, while biodiversity and oxygen decrease.

Explanation: Why? The novel Aisi Bulandi Aisi Pasti was written by Aziz Ahmed, exploring social and moral decline in society.

Explanation: Why? Talha Talib, a young Pakistani weightlifter, finished 5th in the men’s 67kg category at Tokyo 2020, gaining international recognition.

Explanation: Why? A picosecond is one trillionth of a second (10⁻¹²). It is used in physics and electronics to measure extremely fast events such as molecular vibrations or high-speed signal transmission.

Explanation: Why? The book by Khawar Mumtaz and Farida Shaheed highlights women’s struggles and achievements in Pakistan.

Explanation: Why? The plasma membrane forms the outer boundary of animal cells, separating internal contents from the external environment. In plants, the cell wall is outermost, so the plasma membrane is not the outer covering.

Explanation: Why? “فاتحہ پڑھنا” refers to reciting Quranic verses, especially Surah Fatiha, to pray for the reward of a deceased person’s soul.

Explanation: Why? In a vacuum, electromagnetic waves always travel at the speed of light (≈ 3×10⁸ m/s), regardless of their frequency or intensity.

Explanation: Why: The Watergate scandal (1972–74) involved a break-in at the Democratic headquarters and the Nixon administration’s cover-up. It forced Richard Nixon to resign, the only U.S. President ever to do so.

Explanation: Why? The August Offer of 1940 by the British promised Indian dominion status after WWII, but was rejected by Congress and Muslim League.

Explanation: ANSI

Explanation: Why: Ibn Arabi, the Andalusian Sufi mystic, authored Al-Futuhat al-Makkiyah (“The Meccan Revelations”), a monumental work on spirituality and metaphysics.

Explanation: Why? Fatima Bhutto, granddaughter of Zulfikar Ali Bhutto, wrote this memoir about her family’s political struggles.

Explanation: Why? The COUNTA() function counts all non-empty cells, including those with numbers, text, logical values, or formulas. It does not count only numeric cells (that is COUNT()).

Explanation: Why: The UK functions under an unwritten constitution, based on statutes, conventions, judicial decisions, and traditions, unlike codified constitutions in most states.

Explanation: Why? The US Navy SEALs conducted Operation Neptune Spear in May 2011 in Abbottabad, Pakistan, eliminating Osama bin Laden.

Explanation: Why? A20:A31 refers to a continuous range of cells starting from cell A20 down to A31 in column A.

Explanation: Why: French thinker Auguste Comte introduced sociology as a discipline to scientifically study society and human behavior.

Explanation: Why? Founded in 1885 by Allan Octavian Hume and others, the INC became the main political platform for India’s independence movement.

Explanation: Why? A pixel is the smallest individual element of a digital image or display. Each pixel carries color and brightness information to form a complete picture.