Explanation

• The magnitude of an earthquake is measured by the Richter scale.
• It measures the energy released by an earthquake.
• The Richter scale was developed in 1935 by Charles F. Richter.
• It is used in seismology (the study of earthquakes).

Last verified on 30-06-2026

Explanation

• Jaundice is a condition characterized by yellowing of the skin and eyes.
• It is caused by excess bilirubin due to liver dysfunction or disease.

Last verified on 01-04-2026

Explanation

• Date: 20 June 1980
• Introduced by: General Muhammad Zia-ul-Haq
• Zakat Rate: 2.5% on savings
• Ushr: Tax on agricultural produce
• Purpose: Poverty alleviation and welfare distribution

Last verified on 12-06-2026

Explanation

• Copper (تانبا) is a good conductor of electricity.
• It allows electric current to flow easily.

Additional information:

• Metals are generally good conductors.
• Non-metals usually do not conduct electricity.
• Good Conductors: Copper, Silver, Gold, Aluminum, Graphite
• Bad Conductors: Plastic, Rubber, Wood, Glass, Air

Last verified on 07-06-2026

Explanation

• The Nisab (minimum limit) for gold is 7.5 tola (87.48 grams).
• The ratio/nisab of Zakat is 2.5%.
• Zakat was made obligatory in 2 A.H.
• It was fully implemented in 8 A.H.

Additional information:

• Silver Nisab: 52.5 tola = 612.36 grams
• The word “Zakat” occurs 32 times in the Holy Quran.
• Zakat means purification and growth of wealth.
• “Zakat is the treasure of Islam” is a famous saying of the Holy Prophet (PBUH).

Last verified on 11-05-2026

Explanation

• Nisab for goats/sheep: 40 animals over 1 year old → Zakat becomes obligatory.
• If less than 40 goats/sheep: No Zakat.

Additional information:

• Camels: Zakat payable starting at 5 camels.
• Sheep: Zakat payable starting at 40 sheep.
• Gold: Zakat payable on 7.5 tolas and above.
• Silver: Zakat payable on 52.5 tolas and above.

Last verified on 10-03-2026

Explanation

• Vitamin K helps to make various proteins that are needed for blood clotting and the building of bones.
• Prothrombin is a vitamin K-dependent protein directly involved with blood clotting.

• Vitamin C may protect the body against the effects of pollution.
• It may also prevent blood clots and reduce bruising.

Last verified on 31-03-2026

Explanation

• The Nile is the longest river in the world
• Length of about 6,650 km

 Additional information

Last updated by NA on 27 April 2026

Explanation

• Qutb ud-Din Aibak was the first independent Muslim ruler of Delhi 
• Founder of the Mamluk (Slave) Dynasty
• He was the general of Muhammad Ghori.
  

Additional information

• Al-khafif was the first ruler of the Soomra dynasty (1011-1026)
• Mughal emperor Akbar was the first Muslim 
• Razia Sultana, the first woman ruler of India

Explanation

• Taklamakan Desert is the largest desert in northwest China.
• It is the second-largest desert in the world.
• Located in the Tarim Basin, Southern Xinjiang, surrounded by major mountain ranges.
• It lies inside the Tarim Basin, bordered by Kunlun Mountains (S), Pamir Mountains (W), Tian Shan (N), and Gobi Desert (E).
• Known as a “Sea of Death” due to its harsh climate and shifting sand dunes.
• Area: ~337,000 sq km

Last verified on 04-04-2026