Explanation

• Mercury is the smallest planet in our solar system.
• Mercury with a diameter of 4,879 km (3031.67 mi).
• Its escape velocity is approximately 4.25 km/s.
• Nearest Planet to Sun.
• Fastest Planet.

Last verified on 23-06-2026

Explanation

• Vitamin K helps to make various proteins that are needed for blood clotting and the building of bones.
• Prothrombin is a vitamin K-dependent protein directly involved with blood clotting.

• Vitamin C may protect the body against the effects of pollution.
• It may also prevent blood clots and reduce bruising.

Last verified on 31-03-2026

Explanation

• The liver is the largest gland in the human body.
• It is situated in the right upper quadrant of the abdomen, beneath the diaphragm, and above the stomach.
• It is reddish-brown.
• It is weighs approximately 1.5 kg.

• The pineal gland is the smallest gland.
• It about the size of a grain of rice.
• It weighs approximately 150 mg.
• It is part of the endocrine system.

Explanation

• Derawar Fort is located in Cholistan Desert, Ahmadpur East Tehsil, Bahawalpur.
• The height of walls of Derawar Fort is 40 meters.
• The walls have a perimeter of 1500 metres and stand up to 30 metres high.

Last verified on 10-10-2026

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

• Date: July 16, 1990
• Satellite Name: Badr-1 (also known as Badr-A)
• Agency: Developed by SUPARCO 
• Launch Vehicle: Chinese Long March 2E rocket.
• End of mission
• Last contact: 21 August 1990
• Decay date: 9 December 1990

Last updated 07-09-2026 by NA

Explanation

• The Pakistan Navy is the naval branch of the Pakistan Armed Forces.
• Headquarters: Islamabad
• Founded: August 14, 1947

Additional information:

• Gifford James was the first C-in-C of the Pakistan Navy.
• Admiral Mohammad Siddique was the first Muslim C-in-C of the Pakistan Navy.
• The Chief of the Naval Staff, a four-star admiral, commands the navy.

Last verified on 17-03-2026

Explanation

• Rohtas Fort near Jhelum was built by Sher Shah Suri.
• He was the founder of the Suri Empire in India.
• It is a 16th-century fortress.
• It is located near the city of Dina in Jhelum.
• The construction started in 1541.
• It has 14 gates.

Last verified on 01-05-2026

Explanation

• Samina Baig became the first Pakistani woman to summit Mount Everest on 19 May 2013.
• Mount Everest is the highest mountain in the world.
• It is located in the Himalayas, on the Nepal–China border.
• Its officially recognized height is 8,848.86 metres (29,031.7 feet).

Additional information:

• Youngest Pakistani to summit Everest: Shehroze Kashif (in 2021).
• First Pakistani man to summit Everest: Nazir Sabir (2000).
• The first confirmed climbers to reach its summit were Sir Edmund Hillary and Tenzing Norgay on 29 May 1953.

Last verified on 10-10-2026

Explanation

• "While" connects two clauses: "Make hay" and "the sun shines."
• So, it functions as a conjunction indicating time.

Last verified on 10-10-2026