Explanation

• The filament of an electric bulb is made of Tungsten.
• Because it has a very high melting point (~3422°C).
• It can glow brightly without melting.
• Tungsten provides efficient and long-lasting light in incandescent bulbs.

Last verified on 15-03-2026

Explanation

• Manchar Lake is the largest natural lake in Pakistan.
• It is part of the Indus River basin.
• Covered Area: ~260 km² (100 square miles)
• Location: Jamshoro District, Sindh
• Water Source: Kirthar Mountains and surrounding streams

Last verified on 14-03-2026

Explanation

• According to Article 49(1) of the Constitution of Pakistan, the Chairman Senate acts as President in the President’s absence.
• Speaker National Assembly as acting Prime Minister of Pakistan in the absence of PM.
• The term for members of the Senate is 6 years.
• The minimum age for senators is 30 years.

Last verified on 14-03-2026

Explanation

• First Hajj: Hazrat Adam (A.S) and Hazrat Hawwa (A.S)
• Kaaba rebuilt by: Hazrat Ibrahim (A.S) and Hazrat Ismail (A.S)
• Hajj became obligatory: 9 Hijri
• Prophet Muhammad (PBUH) performed Hajj: 10 Hijri (632 AD)
• Hajjat-ul-Wada: The first and last Hajj of Prophet Muhammad (PBUH)
• The Prophet (PBUH) performed Umrah four times in his life.

Last verified on 14-03-2026

Explanation

• Masoud Pezeshkian is the current president of Iran since 28 July 2024.
• He won Iranian presidential elections by securing 53.7 % votes.
• Successor: Ebrahim Raisi (perished in Helicopter crash in May 2024)

Last verified on 14-03-2026

Explanation

• The Sun is a star.
• There are lots of stars, but the Sun is the closest one to Earth.
• It is the center of our solar system.
• The Sun is a hot ball of glowing gases.
• The sun is composed of layers made up almost entirely of hydrogen and helium.

Last verified on 13-03-2026

Explanation

• Chemical formula of Water: H₂O

• Freezing point: 0°C (32°F)
• Boiling point: 100°C
• Molar mass: 18.015 g/mol
• Density: 997 kg/m³
• Melting point: 0°C

Last verified on 13-03-2026

Explanation

• First Caliph: Hazrat Abu Bakr (June 8, 632 – August 23, 634)
• Second Caliph: Hazrat Umar (R.A.)
• Third Caliph: Hazrat Usman (R.A.)
• Fourth Caliph: Hazrat Ali (R.A.) (656–661 CE)

Sahabi who proposed Hazrat Abu Bakr for the Caliphate: Hazrat Umar (R.A.)

Last verified on 13-03-2026

Explanation

• Quaid-e-Azam Muhammad Ali Jinnah passed his Bar-at-Law examination on 25 May 1893.
• He studied law at Lincoln’s Inn in London, one of the four Inns of Court.
• After completing his legal training, he returned to India in 1896 and started his legal career in Bombay.

Last verified on 13-03-2026

Explanation