Explanation

• Frequency is the number of occurrences of a repeating event per unit of time.
• The SI unit of frequency is the hertz (Hz).
• 1 Hz = 1 cycle or vibration per second
• Unit: Hz = s⁻¹ (per second)
• Named after physicist Heinrich Hertz
• Used for waves, oscillations, sound, and electromagnetic radiation
• Derivations from other quantities: f = 1 / T
• Dimension T^−1

Explanation

• Pakistan has been elected 8 times as a non-permanent member of the United Nations Security Council (UNSC).
• The UN Security Council has 15 members: 5 permanent and 10 non-permanent members.
• Non-permanent members are elected for a 2-year term by the UN General Assembly.

Additional information:

Pakistan’s Terms in UN Security Council

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

• Adopted: 12 March 1949

• Adopting Body: Constituent Assembly of Pakistan

• Presented By: Prime Minister Liaquat Ali Khan

• Date of Presentation: 7 March 1949

Additional information:

• Total Members of Assembly: 75

• Members Supporting the Resolution: 21

• Minority Members: 10

• All amendments proposed by minority members were rejected.

• As a result, all 10 minority members voted against the resolution.

Last Updated on 12-01-2026

Explanation

• Ajay Banga was nominated by US President Joe Biden.
• Ajay Banga assumed office in June 2023.
• Previously, David Malpass was serving President of the World Bank.

Last verified on 22-10-2026

Explanation

Explanation

• World War II: Global war, 1939–1945.
• Little Boy: Dropped on Hiroshima, 6 August 1945.
• Fat Man: Dropped on Nagasaki, 9 August 1945, 11:01 AM.
  

Additional information:

• World War I: Global war in Europe, 28 July 1914 – 11 November 1918.

Last verified on 17-05-2026

Explanation

• Became separate province: 1 April 1936, capital Karachi
• Annexed to Bombay Presidency: 1843
• Part of Pakistan: 14 August 1947 – 14 October 1955, capital Hyderabad
• Separation demanded by: Muhammad Ali Jinnah in 1929 under Government of India Act 1935
• First Muslim League Government in Sindh: 1943

Last verified on 15-01-2026

Explanation

• Mitochondria are called the powerhouse of the cell.
• Because they produce Adenosine Triphosphate (ATP).
• ATP is the energy currency of the cell.
• ATP provides energy for different cellular activities such as movement, growth, and transport.
• Energy is produced through aerobic cellular respiration using oxygen and الغذائی molecules.
• They are found in the cytoplasm of most eukaryotic cells.
• Richard Altmann first described mitochondria in 1890.

Main Parts of a Cell:

1. Cell membrane → Outer protective layer
2. Nucleus → Controls cell activities
3. Cytoplasm → Jelly-like material between membrane and nucleus

Last verified on 09-05-2026

Explanation

• Kalabagh has the largest iron ore deposits in Pakistan.
• Kalabagh is located in Mianwali District, Punjab.
• The estimated iron ore reserves are about 309 million tons.

Additional information:

• Largest Coal Deposits: Thar Coalfield (Sindh)
• Uranium Deposits: Dera Ghazi Khan (Punjab)
• Fuller's Earth Deposits: Dera Ghazi Khan District (Punjab)

Last verified on 04-08-2026

Explanation

• Founded: 1-July-1948
• Headquarters: Karachi, Sindh
• Founded by: Muhammad Ali Jinnah
• First Governor: Zahid Hussain
• First Female Governor: Shamshad Akhtar
• SBP Responsibility: Implement monetary policy

Last verified on 13-09-2026