Explanation

Explanation

• The area between the Jhelum and Chenab rivers is called Chaj Doab.
• The word Doab means the land between two rivers.

Chenab River:

• Originates from the Himalayan region of Himachal Pradesh, India.
• Enters Pakistan through Jammu and Kashmir.

Jhelum River:

• Originates from Verinag Spring, Jammu and Kashmir.
• Joins the Chenab River at Trimmu, Pakistan.

1. Bari Doab – Between Beas and Ravi
2. Bist Jalandhar Doab – Between Beas and Sutlej
3. Rachna Doab – Between Ravi and Chenab
4. Chaj Doab – Between Chenab and Jhelum
5. Sind Sagar Doab – Between Indus and Jhelum

Last verified on 25-06-2026

Explanation

• Al-Khwarizmi is known as the Father of Algebra for writing the first systematic book on algebra.
• He wrote Al-Kitab al-Mukhtasar fi Hisab al-Jabr wal-Muqabala in the 9th century.
• The word “Algebra” comes from “Al-Jabr” in his book title.

Last verified on 24-06-2026

Explanation

• The Kargil War was fought between India and Pakistan in 1999.
• It took place from May to July 1999.
• It is also known as Kargil Conflict / Operation Vijay (India).
• The location was the Kargil district along the Line of Control (LoC).

Additional information:

• The conflict was stopped with USA’s intervention.
• India had about 30,000 troops, Pakistan had about 5,000 troops.
• Captain Karnal Sher Khan Shaheed was a hero of the war.
• General Pervez Musharraf was Pakistan’s COAS.
• General V. P. Malik was India’s COAS.
• India won the Kargil War.
• India lost 527 soldiers.
• Pakistan lost 453 soldiers.

Last verified on 22-06-2026

Explanation

• Theory proposed by: Charles Darwin
• Book published: 1859
• Book name: On the Origin of Species
• Key concept: Natural Selection
• Voyage that inspired him: HMS Beagle expedition (1831–1836)

Last verified on 21-06-2026

Explanation

• World Environment Day is on 5 June.
• Started in 1973 by the United Nations
• Main Goal: Protect nature and fight pollution.
• It is also called Eco Day.

Additional information:

Theme:

• 2022: Only One Earth in Sweden
• 2023: Solutions to Plastic Pollution in the Ivory Coast
• 2024: Land restoration, desertification, and drought resilience in Riyadh, Saudi Arabia
• 2025: Ending plastic pollution in South Korea
• Theme 2026: Inspired by Nature. For Climate. For Our Future in Azerbaijan

Last updated NA on 10-09-2026

Explanation

• Gumption means ہمت، پہل، یا وسائل
• Apathy means دلچسپی، توانائی، یا حوصلہ افزائی کی کمی

Last verified on 20-06-2026

Explanation

• Author: Benazir Bhutto
• Book Type: Autobiography
• Published: 7th January 1989
• Publisher: Simon & Schuster
• Theme: Politics, struggle, democracy

Additional information:

• Benazir Bhutto was the first female Prime Minister of Pakistan.
• She served two non-consecutive terms: 1988–1990 and 1993–1996.

Last verified on 20-06-2026

Explanation

• Picosecond (ps) = 10⁻¹² seconds
• SI prefix “pico” means 10⁻¹².
• 1 picosecond = one trillionth of a second.

Additional information:

• Microsecond (μs) = 10⁻⁶ seconds
• Nanosecond (ns) = 10⁻⁹ seconds
• Millisecond (ms) = 10⁻³ seconds
• Femtosecond (fs) = 10⁻¹⁵ seconds
• Attosecond (as) = 10⁻¹⁸ seconds
• Zeptosecond (zs) = 10⁻²¹ seconds
• Yoctosecond (ys) = 10⁻²⁴ seconds

Last verified on 17-06-2026

Explanation

• Mount Everest is the Highest peak in the world.
• It is located in Nepal.
• Height: 8,848.86m (29,032 feet)
• The first time expedition in 1953.
• It was named after George Everest in 1856.
• In the range of mountains: the Himalayas.

Additional information:

• First climbers to reach Mount Everest (1953): Tenzing Norgay and Edmund Hillary.
• First man to climb Mount Everest twice: Nawang Gombu.
• First Pakistani woman to scale Mount Everest: Samina Baig.
• First blind Asian and third person in the world to climb Everest: Zhang Hong.
• Youngest Pakistani to summit Everest: Shehroze Kashif.
• Fastest woman to climb Mount Everest: Tsang Yin-hung.

Last verified on 16-06-2026