Explanation

• Hazrat Ali (R.A) ruled as Caliph for about 4 years and 9 months (656–661 CE).
• His caliphate began in 35 AH (656 CE) after the martyrdom of Hazrat Uthman (R.A).
• It ended in 40 AH (661 CE) with his martyrdom in Kufa.

Last verified on 10-06-2026

Explanation

• Faisalabad is called Manchester of Pakistan.
• Because it's the biggest textile city in Pakistan.
• It is formerly known as Lyallpur.
• It is the third-largest city in Pakistan.
• It is the second largest city in the Province of Punjab.
• It is famous for its textile mills.

Last verified on 16-03-2026

Explanation

• Ornithology is the branch of zoology that deals with the study of birds.
• It includes bird behavior, classification, and migration patterns.
• Scientists who study birds are called ornithologists.

Last verified on 10-06-2026

Explanation

• Herpetology is the branch of zoology that studies reptiles and amphibians.
• Reptiles include: snakes, lizards, crocodiles, turtles.
• Amphibians include: frogs, toads, salamanders.
• The word comes from Greek “herpeton” meaning creeping animal.

Last verified on 09-06-2026

Explanation

When white light passes through a prism, it splits into 7 colors, forming a spectrum known as a rainbow:

1. Red
2. Orange
3. Yellow
4. Green
5. Blue
6. Indigo
7. Violet

The separation of visible light into its different colours is known as dispersion.

Last verified on 08-06-2026

Explanation

• Official Adoption: 16 August 1954
• Tune Composer: Ahmad G. Chagla (1949)
• Official Urdu lyrics were written by Hafeez Jalandhari (1952)
• Duration: About 80 seconds
• Words: 48 words, 15 lines
• First played on the radio: August 13, 1954

Last updated NA on 10-09-2026

Explanation

• The usual gases used for lifting airships are hydrogen and helium.
• Hydrogen is the lightest known gas and thus has great lifting capacity,
• Helium is not as buoyant but is far safer than hydrogen because it does not burn.

Last verified on 01-04-2026

Explanation

• George Washington was the first President of the USA.
• He was serving from 1789 to 1797.
• He is often called the "Father of His Country" for his leadership in the founding of the United States.

Additional information:

The short list of Presidents of USA:

• 1st. George Washington
• 2nd. Adams John Adams
• 3rd. Thomas Jefferson
• 15th. James Buchanan
• 16th. Abraham Lincoln
• 17th. Andrew Johnson
• 44th. Barack Obama
• 45th. Donald Trump
• 46th. Joe Biden
• 47th. Donald Trump (Current)

Last verified on 07-06-2026

Explanation

• The smallest province of Pakistan by area is KPK.
• Balochistan is the largest province of Pakistan by area.
• Area wise second largest province of Pakistan is Punjab.

Last verified on 30-03-2026

Explanation

• Hayat-e-Javed is a biography written by Altaf Hussain Hali.
• It is about the life of Sir Syed Ahmad Khan.
• The book highlights his reforms and educational services.
• It was first published in 1902.

Last verified on 06-06-2026