Explanation

• Upper Chenab Canal takes off from Head Marala on the Chenab River.
• Head Marala is located near Sialkot, Punjab, Pakistan.

Additional information:

• Lower Chenab Canal → Khanki
• Upper Jhelum Canal → Mangla
• Lower Jhelum Canal → Rasul

Last verified on 05-10-2026

Explanation

• Kallar Kahar Lake is situated in Chakwal District, Punjab.
• It is a natural saltwater lake.
• It is also a tehsil (subdivision) of Chakwal District.
• The lake is famous for its scenic beauty and migratory birds.
• It lies on the Lahore–Islamabad Motorway (M-2).

Last verified on 05-10-2026

Explanation

• GHQ (General Headquarters) is the headquarters of the Pakistan Army.
• It is located in Rawalpindi, Punjab, Pakistan.
• Established: 1947, after the independence of Pakistan.

Additional information:

• Pakistan Navy: Naval Headquarters — Islamabad
• Pakistan Air Force: Air Headquarters — Islamabad

Last verified on 05-20-2026

Explanation

• The Yangtze River in China is the longest river in Asia.
• It is the third-longest river in the world.
• It stretches over 6,300 kilometers (3,917 miles).

Additional information:

• The smallest river in China is the Qian River.
• It is part of the Xi River system.

Last verified on 05-10-2026

Explanation

• Surah Yusuf is the 12th Surah of the Holy Quran.
• It contains 111 verses.
• The Surah was revealed in Makkah.
• It is named after Prophet Yusuf (AS).
• The story begins with the dream of Prophet Yusuf (AS) and includes his separation from his family and eventual reunion.

Last verified on 05-10-2026

Explanation

There are five pillars of Islam:

1. First Pillar: Shahadatain (شہادتیں) – declaration of faith: “There is no god but Allah, Muhammad ﷺ is His Messenger”
2. Second Pillar: Namaz (نماز) – five daily prayers
3. Third Pillar: Zakat (زکوٰۃ) – obligatory charity, 2.5% of wealth above Nisab
4. Fourth Pillar: Fasting (Sawm / روزہ) – during Ramadan, abstaining from food, drink, and bad deeds
5. Fifth Pillar: Hajj (حج) – pilgrimage to Makkah at least once in a lifetime if able

Last verified on 22-03-2026

Explanation

• Flash memory is a type of EEPROM that can be electrically erased and reprogrammed in blocks.
• It is non-volatile memory, meaning it retains data even when power is turned off.
• It is widely used in USB drives, SSDs, and memory cards.

Last verified on 05-10-2026

Explanation

• Sericulture is the farming or rearing of silkworms for the production of silk.
• The most commonly cultivated silkworm is Bombyx mori.
• Silkworms feed mainly on mulberry leaves and produce silk fibers to form their cocoons.

Additional information:

• Apiculture: Rearing of honeybees for honey and other products.
• Agriculture: Cultivation of crops and raising of animals.
• Pisciculture: Farming or breeding of fish.

Last verified on 05-10-2026

Explanation

• According to State Bank of Pakistan (SBP) data, Saudi Arabia was the largest source of workers’ remittances to Pakistan.

Additional information:

1. Saudi Arabia: US$9.35 billion
2. UAE: US$7.83 billion
3. United Kingdom: US$5.90 billion
4. United States: US$3.72 billion

Last verified on 05-10-2026

Explanation

• Type: Stealth strategic bomber
• Country: United States
• Manufacturer: Northrop Grumman
• First flight: 17 July 1989
• Entered service: 1997
• Primary role: Long-range strategic bombing

Last verified on 05-10-2026