Explanation

• Nitrogen makes up about 78% of the Earth’s atmosphere.
• Oxygen is about 21%,
• Other gases like argon and carbon dioxide are in very small amounts.

Last updated by NA on 28April 2026

Explanation

• Rivers: Chenab + Jhelum
• Location: Jhang District, Punjab
• Type: Barrage (Headworks)
• Built during: British colonial period (1937-1939)
• Purpose: Flood control + irrigation

Last verified on 09-06-2026

Explanation

• Correct sentence: "I have been studying for 3 hours."
• For is used to show a duration of time (e.g., for 3 hours, for two days).
• Since is used with a starting point in time (e.g., since 9 a.m., since Monday).

Last verified on 09-06-2026

Explanation

• The kidneys purify the blood in the human body.
• They remove waste materials and extra water.
• Kidneys help maintain the body’s chemical balance.
• Each person has two kidneys.
• They produce urine as a waste product.

Last verified on 07-06-2026

Explanation

• Quiescent means خاموش
• Active means متحرک، فعال

Last verified on 06-06-2026

Explanation

• The Al-Hudaibiyah Treaty was signed in 6 AH for 10 years.
  
• It was scribed by Ali ibn Abi Talib (R.A).
• Hudaibiyah is the name of tree.
• It is referred to as "Fatah Al-Mubeen" (the clear victory) in Surah Al-Fatah.
• It was a pivotal agreement between Muhammad SAW representing Medina and the Qurayshi tribe of Mecca.
• Suhail bin Amr signed on behalf of Mecca.
• It contained 7 clauses.

Last verified on 01-04-2026

Explanation

• Justice Ayesha Malik became the first female judge of the Supreme Court of Pakistan.
• She was sworn in on 24 January 2022 by Chief Justice Gulzar Ahmed.
• Previously, she served at Lahore High Court (March 2012 – Jan 2022).

Additional information:

• Appointed by: President Arif Alvi
• Tenure: Until June 2031
• Supreme Court judges total: 17
• Retirement age: Supreme Court – 65, High Court – 62

Last verified on 18-03-2026

Explanation

• A lactometer is used to measure the purity and density (thickness) of milk.
• It checks if milk has been adulterated with water by measuring specific gravity.
• Works on the principle of buoyancy.
• Pure milk specific gravity: 1.028–1.032 at 15°C

Last verified on 16-03-2026

Explanation

Keir Starmer is the current & 58th prime minister of the United Kingdom (UK)

Party affiliation: Labour Party

Predecessor: Rishi Sunak

Note: In July 2024, Britain elected its first Labour prime minister in 14 years

Elections in UK held on 4 July, 2024

Last verified on 25-04-2026

Explanation

Sikandar Sultan Raja appointed CEC: 27 January 2020

Sikandar Sultan Raja: first retired bureaucrat to have ever been appointed as the head of the top electoral body

Previously, Sardar Muhammad Raza was CEC (retired on December 5, 2019)