Explanation

• World War II: Global war, 1939–1945.
• Little Boy: Dropped on Hiroshima, 6 August 1945.
• Fat Man: Dropped on Nagasaki, 9 August 1945, 11:01 AM.
  

Additional information:

• World War I: Global war in Europe, 28 July 1914 – 11 November 1918.

Last verified on 17-05-2026

Explanation

• Smallest bone: Stapes.
• Location: Middle ear.
• Three ear bones: Malleus, Incus, Stapes.

Additional information:

• Longest bone: Femur (thigh bone).
• Adult human skeleton: Usually 206 bones.
• Newborn: About 300 bones at birth; many later fuse together.
• Human skull: 22 bones (8 cranial + 14 facial)

Last verified on 03-09-2026

Explanation

• The Pacific Ocean is the largest and deepest ocean on Earth.
• It covers about 30% of the Earth's surface.
• It contains 97% of the Earth's water.
• The Mariana Trench, the deepest part of the ocean.
• It is located in the Pacific.
• The Arctic Ocean is connected to the Pacific Ocean via the Bering Strait.

Additional information:

• The Arctic Ocean is the Smallest Ocean of the world.
• Oceans cover 71% of the Earth's surface.
• The Indian Ocean is the warmest, with the Persian Gulf being the hottest area.
• The Diamantina Trench is the deepest point in the Indian Ocean.
• Jordan does not have an ocean.

Last verified on 17-03-2026

Explanation

• Largest & busiest seaport: Port of Karachi
• Location: Karachi, Arabian Sea
• Cargo handled: About 60% of Pakistan’s cargo
• Harbour size: 32 km
• Opened: 1857

Additional information:

• Muhammad Bin Qasim Port: Also called Port Qasim; located near Karachi.
• Gwadar Port: Deep-sea port in Balochistan; developed as part of CPEC.

Last verified on 10-10-2026

Explanation

• Nitrous oxide, commonly known as laughing gas.
• It is a colorless, non-flammable gas used in medicine.
• Nitrous oxide (N₂O) causes temporary laughing and relaxation.

Additional information:

• Nitrous oxide was discovered by Joseph Priestley in 1772.

Last verified on 18-01-2026

Explanation

• Europe is the only continent without a desert.
• It has a temperate climate with sufficient rainfall.

Additional information:

• Divided by the Ural Mountains
• Second-smallest continent
• Covers 2% of Earth’s surface
• Area: 10.18 million km²

Last verified on 16-01-2026

Explanation

• Iskander Mirza became the first President of Pakistan on 23 March 1956.
• He was the last Governor-General of Pakistan before becoming President.
• He was associated with the Republican Party.
• He abrogated the 1956 Constitution and imposed martial law (1958).
• He also served earlier as Governor of Bengal (India) and Governor-General of Pakistan.
• Born: 13 November 1899, Murshidabad, India
• Died: 13 November 1969, London, UK (buried in Iran)
• He was the great-grandson of Mir Jafar.

Additional information:

• First President of Constituent Assembly of Pakistan: Quaid-e-Azam Muhammad Ali Jinnah
• First elected President of Pakistan: Field Marshal Ayub Khan

Last verified on 01-04-2026

Explanation

• Moscow is the capital and largest city of Russia
• Founded in 1147

Additional information:

• Russia's currency is Ruble.
• Russia's official language is Russian.
• Russia located is in Continent Europe/ Asia.
• Russia's primary religion is Christianity.
• Russia Parliament called Duma & Federal Council.L

Last updated by NA on 09-09-2026

Explanation

• The capital of Bangladesh is Dhaka.
• Location: It sits on the banks of the Buriganga River 
• Establishment: 1610; 416 years ago (as Jahangirnagar)
• The currency is Taka.
• The official language is Bangla.
• Located is in Continent Asia.
• The primary religion is Islam.
• Parliament called the Jatiya Parliament.

Explanation

• Went is the past tense of go.
• Go is an irregular verb, and its past tense is went.
• Gone is the past participle of go.