Author name: Umar

The boiling point of water at sea level is 100°C (212°F). This is a fundamental physical property, defined as the temperature at which water's vapor pressure equals the standard atmospheric pressure at sea level, allowing it to transition from liquid to gas.

• 90°C and 80°C are below the standard boiling point and would not cause water to boil at sea level.
• 120°C is above the standard boiling point; water would already be steam at this temperature under normal atmospheric pressure. The boiling point can change with pressure, but 100°C is the standard reference.

Mars is famously known as the "Red Planet" because its surface is rich in iron oxide, commonly known as rust. This gives the planet its distinctive reddish-orange hue, visible even from Earth.

• Earth is often called the "Blue Planet" due to the abundance of water covering its surface.
• Venus is known for its extremely hot, dense atmosphere and is sometimes referred to as Earth's "sister planet" due to similar size, but it is not red.
• Jupiter is the largest planet in our solar system, a gas giant characterized by its swirling clouds and the Great Red Spot, but the planet itself is not uniformly red.

Vitamin D is uniquely produced in the skin when exposed to ultraviolet B (UVB) rays from sunlight. This process is vital for the body's ability to absorb calcium and phosphorus, which are essential for maintaining strong bones and teeth, and supporting immune function.

• Vitamin A is crucial for vision and immune health but is obtained primarily through diet, not sunlight synthesis.
• Vitamin B refers to a complex of several vitamins (e.g., B1, B2, B12) involved in metabolism and energy production, all acquired through dietary sources.
• Vitamin C is an antioxidant important for immune system function and collagen synthesis, also obtained from food.

Literary works are intrinsically linked to their creators, and identifying authors is a core aspect of literary knowledge. "War and Peace" is a monumental work of world literature.

• Leo Tolstoy (option B) is the renowned Russian novelist who authored "War and Peace," an epic novel known for its historical scope, philosophical depth, and detailed portrayal of Russian society during the Napoleonic era.
• Charles Dickens (option A) was an English novelist famous for works like "Oliver Twist" and "A Tale of Two Cities."
• Mark Twain (option C) was an American writer best known for "The Adventures of Tom Sawyer" and "Adventures of Huckleberry Finn."
• Jane Austen (option D) was an English novelist celebrated for "Pride and Prejudice" and "Sense and Sensibility."

Each author contributed significantly to their respective literary traditions.

In the study of electricity, specific units are used to quantify different electrical properties. Understanding these units is fundamental to electrical engineering and physics.

• The Ampere (option B), often shortened to 'amp', is the SI unit of electric current. It measures the rate of flow of electric charge.
• The Volt (option A) is the unit of electric potential difference, or voltage.
• The Ohm (option C) is the unit of electrical resistance.
• The Watt (option D) is the unit of power, representing the rate at which electrical energy is converted or consumed.

These units are distinct but interconnected, as described by Ohm's Law and other electrical principles.

Scientific instruments are designed for precise measurements of specific physical quantities. To measure the amount of water vapor in the air, or humidity, a specialized tool is required.

• A Hygrometer (option C) is the correct instrument used to measure humidity. It quantifies the moisture content in the atmosphere.
• A Thermometer (option A) measures temperature.
• A Barometer (option B) measures atmospheric pressure.
• An Anemometer (option D) measures wind speed.

Each instrument serves a distinct purpose in meteorology and other scientific fields, providing specific data about environmental conditions.

Deserts are defined by their extremely low precipitation, not necessarily by high temperatures. Based on this definition, Antarctica is the largest desert in the world.

• Antarctica (option D) is a polar desert, receiving less than 200 mm of precipitation annually, making it the driest continent and thus the largest desert.
• The Sahara (option B) is the largest hot desert, located in North Africa.
• The Gobi (option A) is a large cold winter desert in Asia.
• The Kalahari (option C) is a large semi-arid sandy savanna in Southern Africa.

While vast, none of these hot or cold deserts surpass Antarctica in sheer size when considering the scientific definition of a desert.

Pakistan conducted its first series of nuclear weapons tests, codenamed Chagai-I, on May 28, 1998. This event was a significant development in the country's defense capabilities and regional geopolitics.

• 1998 (option B) is the correct year when Pakistan officially became a nuclear power, responding to similar tests conducted by India earlier that month.
• Options A (1996), C (1999), and D (1995) are incorrect. While there was ongoing research and development, the actual tests that confirmed Pakistan's nuclear status occurred specifically in 1998.

These tests marked a critical juncture in the history of nuclear proliferation and South Asian security.

The official currency of Saudi Arabia is the Saudi Riyal. Understanding national currencies is fundamental to geography and economics.

• The Riyal (option C) is the correct spelling and term for Saudi Arabia's currency.
• Dirham (option A) is the currency used in countries like the United Arab Emirates and Morocco.
• Rial (option B) is a general term for currency in some Middle Eastern countries, but 'Riyal' is specific to Saudi Arabia.
• Dinar (option D) is the currency of several countries, including Kuwait, Bahrain, and Jordan.

Each country typically has a unique currency, making it a key identifier.

The Secretary General of the Organization of Islamic Cooperation (OIC) in 2025 is Hissein Brahim Taha. He assumed office on November 17, 2021, for a five-year term, which extends through 2025.

• Ahmed Aboul Gheit is the current Secretary-General of the Arab League.
• Moussa Faki is the Chairperson of the African Union Commission.
• Abdullah Zayed is not the Secretary-General of the OIC or another major international organization in this context.

The correct answer is Both (A) & (B). In access control, it is essential that All officers need them (security cards) to perform their duties and access authorized areas. Equally critical is to Report loss immediately to prevent unauthorized access if a card falls into the wrong hands. Prompt reporting allows for deactivation of the lost card.

• Option (A) alone is incomplete as card loss management is vital.
• Option (B) alone is incomplete as officers need cards for daily operations.
• Therefore, 'None of these' is incorrect because both statements are crucial for effective security card usage.

A "mantrap" is primarily used to Prevent tailgating. A mantrap, also known as an access control vestibule or airlock, is a small, secure area with two doors where only one door can be opened at a time. This design ensures that only one authorized person can enter at a time, preventing unauthorized individuals from following closely behind.

• While it enhances security, its primary function isn't to 'Catch intruders automatically' in the sense of an alarm, but to control entry.
• It does not directly 'Alert police' but rather restricts access.
• Therefore, 'None of these' is incorrect as preventing tailgating is its core function.

A common weakness in physical security plans is the Lack of trained personnel. Even with advanced technology like metal detectors and CCTV, human error or insufficient training can compromise security effectiveness. Personnel must be proficient in operating equipment, recognizing threats, and following protocols.

• Use of metal detectors is a security measure, not an inherent weakness, if properly implemented.
• Over-reliance on CCTV can be a weakness if not monitored effectively, but the lack of trained personnel is a more fundamental flaw.
• Therefore, 'None of these' is incorrect as untrained personnel significantly weaken security.

The correct answer is Chain of Narrators. In Hadith studies, 'Sanad' refers to the chain of narrators who transmitted a particular Hadith, tracing it back to its original source, usually Prophet Muhammad (peace be upon him). It is crucial for establishing the authenticity and reliability of a Hadith.

• Content of the Hadith is known as 'Matn'.
• Classification of Hadith refers to categories like Sahih, Hasan, Da'if, etc., based on their authenticity and strength.
• Therefore, 'None of these' is incorrect as 'Chain of Narrators' precisely defines Sanad.

The correct answer is Fasting. Fasting (Sawm) can be used as Kaffarah (expiation) for certain sins, such as breaking an oath or intentionally breaking a fast during Ramadan without a valid excuse. It serves as a means of atonement and seeking forgiveness from Allah.

• Zakat is obligatory charity given to the poor and needy, not typically used for expiation.
• Hajj is the annual pilgrimage to Mecca, a pillar of Islam, but not a form of Kaffarah.
• Therefore, 'None of these' is incorrect as Fasting is a valid option.

The correct answer is 2018. The Federally Administered Tribal Areas (FATA) were officially merged with the province of Khyber Pakhtunkhwa (KPK) through the 25th Constitutional Amendment to the Constitution of Pakistan. This historic merger took place in May 2018.

• 2016: This year predates the actual merger.
• 2017: While discussions and legislative processes were underway, the final merger did not occur in 2017.
• None of these: This is incorrect as the merger definitively happened in 2018.

This question assesses knowledge of recent significant constitutional and administrative changes in Pakistan.

The correct answer is 6 years. The Senate of Pakistan, which is the upper house of the Parliament, has its members elected for a term of six years. The elections are staggered, with half of the senators retiring every three years, ensuring continuity in the legislative process.

• 4 years: This is not the term for the Senate.
• 5 years: This is the term for the National Assembly (lower house) and the President, but not the Senate.
• None of these: This is incorrect as 6 years is the specified term.

Knowledge of the structure and terms of Pakistan's parliamentary system is key to answering this question.

The correct answer is the Durand Line. The Durand Line is the 2,640-kilometer (1,640 mi) international land border between Pakistan and Afghanistan. It was established in 1893 by Sir Mortimer Durand and Abdur Rahman Khan, the then-Amir of Afghanistan.

• LOC (Line of Control): The Line of Control is the de facto military control line between the Indian and Pakistani parts of the former princely state of Jammu and Kashmir.
• Taftan: Taftan is a border town in Balochistan, Pakistan, near the border with Iran, not the name of the border itself.
• None of these: This is incorrect as the Durand Line is the recognized border.

Understanding the names of international borders is fundamental to regional geography and political history.

The correct answer is KPK. The Kabul River is a significant transboundary river that flows through eastern Afghanistan and then enters Pakistan, primarily flowing through the province of Khyber Pakhtunkhwa (KPK). It is a major tributary of the Indus River.

• Balochistan: Balochistan is located in the southwest of Pakistan, and the Kabul River does not flow through this province.
• Sindh: Sindh is in the southeast of Pakistan, and while it is home to the Indus River, the Kabul River does not directly flow through Sindh.
• None of these: This is incorrect as the Kabul River is prominently located in KPK.

Geographical knowledge of Pakistan's provinces and major rivers is essential for this question.

The correct answer is General Ayub. General Muhammad Ayub Khan was the first Muslim Commander-in-Chief of the Pakistan Army, taking over from General Sir Douglas Gracey in 1951. He later became the second President of Pakistan.

• General Yahya: General Yahya Khan succeeded Ayub Khan as President and Commander-in-Chief much later.
• General Zia-ul-Haq: General Zia-ul-Haq became the Chief of Army Staff and later President much later in Pakistan's history.
• None of these: This is incorrect as General Ayub Khan was indeed the first.

This question tests knowledge of key figures in Pakistan's early military and political leadership.

The correct answer is Iran. Iran holds the distinction of being the first country to officially recognize Pakistan as an independent state in the United Nations. This recognition was a significant diplomatic milestone for the newly formed nation.

• India: While a neighboring country, India's recognition came later, and the relationship was complex due to partition.
• China: China established diplomatic relations with Pakistan later, becoming a strong ally over time, but not the first to recognize it.
• None of these: This is incorrect as Iran did recognize Pakistan.

Understanding early international recognition is crucial for grasping Pakistan's initial foreign policy and diplomatic standing.

The correct answer is ECO. The Regional Cooperation for Development (RCD) was an organization established in 1964 by Iran, Pakistan, and Turkey to promote economic and cultural cooperation. In 1985, the RCD was restructured and renamed the Economic Cooperation Organization (ECO), expanding its scope and membership. SAARC (South Asian Association for Regional Cooperation) and SCO (Shanghai Cooperation Organization) are distinct regional organizations with different origins, member states, and objectives. Therefore, options A, C, and D are incorrect.

The correct answer is Bangladesh. In early 2024, Bangladesh experienced widespread mass protests following its general election, with significant allegations of election rigging and a boycott by major opposition parties. These protests drew international attention due to concerns over democratic integrity. While other countries may face political unrest, the specific context of mass protests over election rigging in 2024 points directly to Bangladesh. Russia and India did not experience such widespread, internationally reported protests specifically over election rigging in early 2024. Therefore, options A, B, and D are incorrect.

The correct answer is FIFA World Cup. Qatar made history by hosting the FIFA World Cup in 2022, marking the first time the prestigious football tournament was held in the Middle East. This event garnered global attention and involved significant infrastructure development. The Asian Cup is a regional football tournament, not a major international event of the same global scale. The Olympics are a multi-sport event, and Qatar did not host them in 2022. Thus, options A, B, and D are incorrect.