Explanation

• At one's beck and call means to be always ready to obey someone's orders or help immediately.
• It refers to being constantly available to serve someone.

Last verified on 28-07-2026

Explanation

• The age of the Universe is approximately 13.8 billion years.

Additional information:

• Age of the Earth: ≈ 4.54 billion years
• Age of the Solar System: ≈ 4.6 billion years
• Age of the Milky Way: ≈ 13.6 billion years
• Big Bang: Occurred about 13.8 billion years ago

Last verified on 20-07-2026

Explanation

• Year: 8 AH (630 CE)
• Month: Shawwal (1st)
• Location: Valley of Hunain (near Ta’if)
• Opponents: Hawazin and Thaqif tribes
• Muslim army: About 12,000 soldiers

Last verified on 12-06-2026

Explanation

• Mitochondria are called the powerhouse of the cell.
• Because they produce Adenosine Triphosphate (ATP).
• ATP is the energy currency of the cell.
• ATP provides energy for different cellular activities such as movement, growth, and transport.
• Energy is produced through aerobic cellular respiration using oxygen and الغذائی molecules.
• They are found in the cytoplasm of most eukaryotic cells.
• Richard Altmann first described mitochondria in 1890.

Main Parts of a Cell:

1. Cell membrane → Outer protective layer
2. Nucleus → Controls cell activities
3. Cytoplasm → Jelly-like material between membrane and nucleus

Last verified on 09-05-2026

Explanation

FIFA Women's World Cup 2023 (football)

• Winner: Spain
• Runner-up: England
• Edition: 9th
• Venue: Australia, New Zealand
• Final held: 20 August 2023
• Final venue: Sydney
• Third position: Sweden
• Participating teams: 32
• Total matched: 64
• Official mascot: Tazuni
• Total goals scored: 164
• Top scorer: Hinata Miyazawa from Japan (5 goals)
• Best player: Aitana Bonmatí from Spain
• Best young player: Salma Paralluelo from Spain
• Best goalkeeper: Mary Earps from England

Last verified on 06-06-2026

Explanation

• Designer: Amir Uddin Kidwai Adoption Date: 11 August 1947 (officially adopted) Additional information: Green field – represents Muslims of Pakistan White stripe – represents minorities and religious minorities’ rights Crescent and star – symbol of progress and light Proportion of flag: 2:3 (height:width)

Last verified on 16-01-2026

Explanation

• Sobriquet means عرف
• Nickname means عرفی نام

Last verified on 03-04-2026

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

Explanation

The Mari gas field, located in District Ghotki, Sindh

It is the second largest gas field in Pakistan after the Sui gas field.

Discovered in 1957

Founded: 1984

Headquarters: Islamabad

Additional information:

Mari Petroleum Company Limited (MPCL) is a Pakistani petroleum exploration and production company based in Islamabad, Pakistan