Explanation

• Masjid-e-Quba was the first mosque built in the history of Islam.
• Established in 622 CE on the outskirts of Medina (Yathrib).
• Prophet Muhammad (PBUH) spent 14 days praying Qasr here.
• The first Friday prayer was led by Prophet Muhammad (PBUH) in this mosque.

Additional and Most Important information:

• Masjid-ul-Haram (Kaaba): First mosque on the surface of the earth.
• Masjid-e-Quba: First mosque built by Prophet Muhammad (PBUH) in Islamic history.
• Masjid-e-Aqsa: Built much earlier, associated with Hazrat Sulaiman (A.S.).
• Masjid-e-Nabavi: Built after Prophet’s arrival in Medina, not the first.

Last verified on 14-03-2026

Explanation

• The first census in Pakistan was held in 1951.

Additional information:

Total nationwide censuses in Pakistan: 7

• 1st Census: 1951
• 2nd Census: 1961
• 3rd Census: 1972
• 4th Census: 1981
• 5th Census: 1998
• 6th Census: 2017
• 7th Census: 2023

Frequency: Every 10 years (approx.)

Historical start: 1872 (British rule, first census in the region)

Last verified on 17-01-2026

Explanation

• O⁻ (O Negative) is the universal donor blood group.
• It can be transfused to A, B, AB, and O blood groups.
• O⁻ blood lacks A, B, and Rh (D) antigens.

Additional information:

• Universal Recipient: AB⁺ (AB Positive)
• ABO Blood Groups: A, B, AB, O
• Rh Types: Positive (+) and Negative (−)
• Total Common Blood Groups: 8 (A⁺, A⁻, B⁺, B⁻, AB⁺, AB⁻, O⁺, O⁻)

Last verified on 14-07-2026

Explanation

• The Partition of Bengal, implemented in 1905 by Lord Curzon.
• It was formally annulled in 1911. 
• He divided Bengal into two provinces on 16-10-1905.

The province was divided into:

• West Bengal, which had a majority of Hindus,
• East Bengal, which had a majority of Muslims

Last verified on 30-03-2026

Explanation

• Pragmatic means عملی، حقیقت پسندانہ
• Unpractical means غیر عملی
• Idealistic means تصوریت کا

Last verified on 02-07-2026

Explanation

• The lungs are located in the thoracic cavity.
• The thoracic cavity is the chest cavity protected by the rib cage.
• It contains the lungs, heart, trachea, and major blood vessels.
• The lungs are enclosed by the pleural membranes.
• This cavity plays a vital role in breathing and respiration.

Last verified on 18-07-2026

Explanation

• White goods are durable consumer goods, mainly large household electrical appliances.
• The term originally referred to appliances that were usually finished in white enamel.
• These products are designed for long-term household use.
• Examples: Refrigerator, Washing Machine, Air Conditioner, Dishwasher, Deep Freezer

Additional information:

• Brown goods include entertainment electronics such as TVs, radios, and audio systems.

Last verified on 18-07-2026

Explanation

• Nippon is the former name for Japan.
• It translates to "origin of the sun" 
• Located in Asia.
• Japan is also called the Land of the Rising Sun. 
• The yen is the currency of Japan.
• The official language is Japanese.
• The capital of Japan is Tokyo. 
• Parliament is called the Diet.

Last updated 17 july 2026 by NA

Explanation

• Longest Railway Tunnel: Khojak Tunnel
• Also Known As: Shela Bagh Tunnel
• Length: 3.9 km (3,912 meters)
• Construction: 1888–1891
• Location: Toba Achakzai Range, Qilla Abdullah District, Balochistan
• Connects: Qila Abdullah – Chaman

Additional information:

• Longest Road Tunnel: Lowari Tunnel

Last verified on 17-07-2026

Explanation

• 24-karat (24K) gold is considered the "best"
• Purity: 99.9% pure gold.
• Color: Rich, deep, bright yellow.

Additional information

• 22K Gold: 91.7% pure gold. It is mixed with harder metals like silver or copper.
• 18K Gold: 75% pure gold. It is highly durable and excellent for diamond settings 
• Carat is the unit of measurement for the physical weight of diamonds/gold.

Last updated by NA on 16-07-2026