Explanation

• Cell biology  is a branch of biology that studies the structure, function, and behavior of cells.
• All living organisms are made of cells.
• Also cellular biology or cytology
  

Explanation

• A step-up transformer increases the voltage.
• Output voltage > Input voltage
• It has more turns in the secondary coil than in the primary coil.
• It is used to increase voltage for long-distance power transmission.

Explanation

Explanation

• Pakistan joined the United Nations on September 30, 1947.

Additional information:

• The name was coined by US President Franklin D. Roosevelt.
• Headquarters is located in New York, United States.
• Founded on October 24, 1945.
• It currently has 193 member states and 2 observer states.
• The official languages of the UN are Arabic, Chinese, English, French, Russian, and Spanish.

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

• The smallest unit of matter is an atom.

Structure of an Atom

• Nucleus: The central part made of heavy protons and neutrons.
• Electrons: Tiny, light particles that circle the nucleus.
• Protons: Particles with a positive charge.
• Neutrons: Particles with no electrical charge

Explanation

• ASEAN stands for Association of Southeast Asian Nations.
• Headquarters: Jakarta, Indonesia
• ASEAN was founded on 8 August 1967 in Bangkok through the Bangkok Declaration.
• Type: Economic & Political Organization
• Established at: Bangkok, Thailand
• Official Language: English
• Members: 11

Last verified on 08-07-2026

Explanation

• SEATO was founded on 8 September 1954.
• Pakistan joined SEATO in the same year 1954 as a member.
• It was a Cold War military alliance led by the United States.
• Pakistan later withdrew its association in the 1970s (after 1972/1973 period changes).
• SEATO was officially dissolved in 1977.

Last verified on 29-04-2026

Explanation

• Location: Eastern Karakoram Range, Ghanche District, Gilgit-Baltistan.
• Length: 76 km
• Height: About 20,000 feet
• Significance: Largest glacier in Pakistan and second-largest glacier outside the polar regions.
• Meaning: Siachen means "Abundance of Roses" (گلاب کی کثرت).

Last verified on 01-04-2026

Explanation

• The Indus Waters Treaty was signed on September 19, 1960, in Karachi.
• It was signed between Pakistan (President Ayub Khan) and India (Prime Minister Jawaharlal Nehru).
• It was brokered by the World Bank.

It became effective on April 1, 1960.

• Western Rivers (given to Pakistan): Indus, Jhelum, Chenab
• Eastern Rivers (given to India): Ravi, Beas, Sutlej

Last verified on 30-03-2026

Explanation

• Date: 16 August 1946
• Location: Calcutta (now Kolkata), Bengal, British India
• Organizer: All India Muslim League
• Announced By: Muhammad Ali Jinnah
• Outcome: Large-scale communal riots and violence between Hindus and Muslims

Last verified on 02-02-2026