Explanation

• Hazrat Abu Bakr (R.A) entrusted the compilation of the Holy Quran to Hazrat Zaid bin Thabit (R.A).
• This decision was made after many Huffaz (memorizers of Quran) were martyred in the Battle of Yamama.
• Hazrat Umar (R.A) suggested compiling the Quran in written form for preservation.
• Hazrat Zaid bin Thabit (R.A) collected verses from written materials and memories of companions.
• This ensured the safe preservation of the Holy Quran in a single manuscript.

Last verified on 25-06-2026

Explanation

• COMPUTER stands for Commonly Operated Machine Particularly Used for Technical Education and Research
• First electronic general-purpose computer: ENIAC
• Developed: 1945–1946
• Output devices: Monitor, Printer, Speaker, Projector
• Input devices: Keyboard, Mouse, Scanner, Microphone
• Father of the computer: Charles Babbage

Explanation

• Pakistan joined the United Nations on September 30, 1947.

Additional information:

• The name was coined by US President Franklin D. Roosevelt.
• Headquarters is located in New York, United States.
• Founded on October 24, 1945.
• It currently has 193 member states and 2 observer states.
• The official languages of the UN are Arabic, Chinese, English, French, Russian, and Spanish.

1. 1952-1953
2. 1968-1969
3. 1976-1977
4. 1983-1984
5. 1993-1994
6. 2003-2004
7. 2012-2013
8. 2025-2026

Last verified on 09-03-2026

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

Explanation

• Muslim Population by Country 2026
• Indonesia. 242,700,000
• Pakistan. 240,760,000
• India. 200,000,000
• Bangladesh. 150,800,000
• Nigeria. 97,000,000.

Additional information:

• The largest country by population in the world is India.
• The largest Muslim city by population is Jakarta.

Last updated by NA on 16-07-2026

Explanation

• The 1973 Constitution of Pakistan contains 280 articles.
• It is the current and permanent constitution of Pakistan.
• It came into effect on 14 August 1973.
• It was approved during the government of Zulfiqar Ali Bhutto.
• It provides the basic legal framework of the state.

Additional information:

• 1956 Constitution: 234 articles, 13 parts, 6 schedules
• 1962 Constitution: 250 articles, 12 parts, 3 schedules

Last verified on 11-06-2026

Explanation

• Jakarta, Indonesia is the world's most populous metropolitan city.

Additional information:

1. Jakarta, Indonesia: ~42 million
2. Dhaka, Bangladesh: ~37 million
3. Tokyo, Japan: ~33 million
4. New Delhi, India: ~30 million
5. Shanghai, China: ~29 million

Last verified on 02-06-2026

Explanation

• The nucleus contains the cell’s genetic material (DNA).
• DNA carries hereditary information.
• The nucleus controls many cell activities.
• In prokaryotic cells (like bacteria), DNA is not enclosed in a nucleus; it is found in the nucleoid region.
• Genetic material = DNA.

Explanation

• Earth’s gravity provides the force that keeps satellites in orbit.
• This gravitational force pulls the satellite toward Earth.
• The satellite’s forward motion makes it continuously fall around Earth rather than directly into it.
• Newton’s Law of Gravitation explains this gravitational attraction.