Explanation

• LAN stands for Local Area Network.
• It is a network that connects devices within a limited geographical area.
• LAN is commonly used in homes, schools, laboratories, university campuses, and office buildings.
• It provides high-speed communication and resource sharing between connected devices.

Additional information:

• MAN: Metropolitan Area Network – Covers a city or metropolitan area
• WAN: Wide Area Network – Covers a large geographical area (countries/continents)

Last verified on 07-07-2026

Explanation

There are five pillars of Islam:

1. First Pillar: Shahadatain (شہادتیں) – declaration of faith: “There is no god but Allah, Muhammad ﷺ is His Messenger”
2. Second Pillar: Namaz (نماز) – five daily prayers
3. Third Pillar: Zakat (زکوٰۃ) – obligatory charity, 2.5% of wealth above Nisab
4. Fourth Pillar: Fasting (Sawm / روزہ) – during Ramadan, abstaining from food, drink, and bad deeds
5. Fifth Pillar: Hajj (حج) – pilgrimage to Makkah at least once in a lifetime if able

Last verified on 22-03-2026

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 part: Cerebrum.
• Hemispheres: Two — right and left.
• Main functions: Thinking, memory, intelligence, speech, and voluntary movement.
• Cerebellum: Mainly controls balance and coordination.
• Brainstem: Connects the brain with the spinal cord and controls vital functions.

Last verified on 03-09-2026

Explanation

• The largest bone in the human body is the femur (the thighbone)
• It is located in the upper leg, between the hip and the knee.
• It supports the weight of the body and helps you walk, run, and stand
• It is about 48 centimeters (18 inches) long.

Additional information:

• The lowest part of the backbone is called the sacrum.
• The smallest bone is the stirrup (stapes).
• The strongest bone for its size is the lower jaw or mandible.

Last updated by NA on 09-09-2026

Explanation

• The largest solid internal organ is the liver.
• It weighs approximately 3–3.5 pounds or 1.36–1.59 kilograms.
• It is about the size of a football.

Additional information:

• Skin is the largest external organ of the human body

Last verified on 03-09-2026

Explanation

• Islamabad officially became the capital of Pakistan on 14 August 1967, under President Ayub Khan.
• The city was constructed starting in 1960.
• It is now the country's ninth-most populous city, with a population of over 1.2 million.
• Its postcode is 44000.
• Before being named the capital, the area was known as Raj Shahi.

Last verified on 30-03-2026

Explanation

• The verbal meaning of “Zakat” is Purification.
• It comes from the Arabic root meaning “to purify” and “to grow”.
• In Islam, Zakat purifies wealth and increases blessings.
• It is the 3rd fundamental pillar of Islam.
• It was made compulsory in 2 AH.
• It is mentioned 32 times in the Holy Quran.

Last verified on 25-04-2026

Explanation

Explanation

• The Durand Line was drawn in 1893.
• It was established as the official border between British India and Afghanistan.
• British representative: Sir Mortimer Durand
• Afghan ruler: Amir Abdur Rahman Khan
• It later became the international border between Pakistan and Afghanistan.
• Length: Around 2,640 km

Last verified on 09-06-2026