Explanation

• The largest river in Pakistan is the Indus River.
• It is the National River of Pakistan.

Additional information:

• The Indus River starts in Tibet.
• It originates from the Mansarovar lake.
• They flow through India, Pakistan.
• It finally falls into the Arabian Sea near Karachi.
• They start making a delta near the city of Thatta.
• The old name of the Indus River was Sindhu.
• There are 6 Barrages constructed in the Indus River.
• The length of the Indus River is 3,180 km.
• The 2nd source of Indus River is Gar Tsangpo.
• The upper Indus Plain starts from Kalabagh.
• The upper Indus Plain ends at Mithankot.

Last verified on 10-07-2026

Explanation

• The ovum (egg cell) is generally considered the largest cell in the human body.
• It is the female reproductive cell and can be seen with the naked eye as a tiny dot.
• The ovum is approximately 0.1 mm (100 micrometers) in diameter.
• In contrast, the sperm cell is one of the smallest human cells.

Last verified on 03-09-2026

Explanation

• Largest Coalfield: Thar Coalfield, Tharparkar, Sindh
• Discovery Year: 1991
• Global Ranking: Among the world's 16th-largest coal reserves
• The Thar Coalfield covers an area of about 9,100 km² in the Thar Desert.

Additional information:

• Sindh: 184.623
• Punjab: 0.235
• Balochistan: 0.217
• Khyber Pakhtunkhwa (KPK): 0.092
• Azad Jammu & Kashmir (AJK): 0.009
• Total Coal Reserves: 185.175 billion tons

Last verified on 20-07-2026

Explanation

• Deposits of copper, gold, and silver were discovered in the 1970s.
• The Saindak Copper-Gold Project is located in Chagai District, Balochistan, Pakistan.
• Trial production began in 1995.
• The project has been developed and operated in collaboration with China.
• Saindak is an important mineral and mining project of Balochistan.

Last verified on 11-08-2026

Explanation

• First Airline: Orient Airways
• Established: 29 October 1946
• Initial Headquarters: Calcutta (Kolkata), British India
• Shifted to Pakistan: 1947 (Karachi)
• Renamed as: Pakistan International Airlines (PIA) – 1955

Last verified on 21-07-2026

Explanation

• Country: China
• First use: 806 AD (approx.)
• Early name: Feiqian (Flying Money)
• Dynasty: Tang Dynasty → Song Dynasty (official issue)
• Importance: First-ever paper-based monetary system

Last verified on 11-06-2026

Explanation

• Became separate province: 1 April 1936, capital Karachi
• Annexed to Bombay Presidency: 1843
• Part of Pakistan: 14 August 1947 – 14 October 1955, capital Hyderabad
• Separation demanded by: Muhammad Ali Jinnah in 1929 under Government of India Act 1935
• First Muslim League Government in Sindh: 1943

Last verified on 15-01-2026

Explanation

Explanation

• The lungs are located in the thoracic cavity.
• The thoracic cavity is the chest cavity protected by the rib cage.
• It contains the lungs, heart, trachea, and major blood vessels.
• The lungs are enclosed by the pleural membranes.
• This cavity plays a vital role in breathing and respiration.

Last verified on 18-07-2026

Explanation

• White goods are durable consumer goods, mainly large household electrical appliances.
• The term originally referred to appliances that were usually finished in white enamel.
• These products are designed for long-term household use.
• Examples: Refrigerator, Washing Machine, Air Conditioner, Dishwasher, Deep Freezer

Additional information:

• Brown goods include entertainment electronics such as TVs, radios, and audio systems.

Last verified on 18-07-2026