Explanation

List of largest provinces of Pakistan by Population.

List of largest provinces of Pakistan by Area.

Last verified on 10-06-2026

Explanation

• Azad Jammu & Kashmir is a Self-Governing State under Pakistan.
• It has its own President, Prime Minister, Legislative Assembly, and Supreme Court.
• It is not a province or district of Pakistan.

Additional information:

• Capital: Muzaffarabad
• Area: 13,297 km²
• Administrative Divisions: 3
• Districts: 10
• Established: 24 October 1947

Last verified on 20-07-2026

Explanation

• Merger Date: May 31, 2018
• Constitutional Amendment: 25th Amendment
• FATA Stands for: Federally Administered Tribal Areas
• Merged with: Khyber Pakhtunkhwa (KPK)
• Main Purpose: Integration of FATA into Pakistan's provincial and constitutional framework

Last verified on 06-07-2026

Explanation

• Mercury is the only elemental metal that at room temperature is Liquid.
• Mercury (Hg) is the only metal that remains liquid at room temperature (about 25°C).

Additional information:

• Chemical Symbol: Hg
• Atomic Number: 80
• Melting Point: −38.83°C
• Boiling Point: 356.73°C

Last verified on 20-07-2026

Explanation

• Most of the energy produced by the Sun is due to Nuclear Fusion (Fusion of Hydrogen).
• In the Sun's core, hydrogen nuclei fuse to form helium, releasing a huge amount of energy.
• This energy is emitted as light and heat.
• Nuclear fusion has powered the Sun for about 4.6 billion years.

Last verified on 20-07-2026

Explanation

• The age of the Universe is approximately 13.8 billion years.

Additional information:

• Age of the Earth: ≈ 4.54 billion years
• Age of the Solar System: ≈ 4.6 billion years
• Age of the Milky Way: ≈ 13.6 billion years
• Big Bang: Occurred about 13.8 billion years ago

Last verified on 20-07-2026

Explanation

• The age of a tree is determined by its Rings (Number of Annual Rings).
• Each annual ring generally represents one year of growth.
• Counting the rings on the trunk helps determine the tree's age.
• The study of tree rings is called Dendrochronology.

Last verified on 20-07-2026

Explanation

• Pakistan's standard household electricity supply is 220–240 V AC at 50 Hz.
• The frequency of alternating current (AC) is 50 cycles per second (50 Hz).
• This standard is used for homes, schools, offices, and most electrical appliances in Pakistan.

Last verified on 19-07-2026

Explanation

• Gregor Mendel is known as the Father of Genetics.
• He discovered the Laws of Inheritance through experiments on pea plants between 1856–1863.
• His research was published in 1866.

Last verified on 19-07-2026

Explanation

• Noble gases are called inert gases because their outermost electron shell is complete.
• They are located in Group 18 of the periodic table.
• Due to their stable electronic configuration, they show very little chemical reactivity.
• Noble gases are colorless, odorless, and monoatomic under normal conditions.
• They are used in neon signs, electric bulbs, lasers, welding, and balloons (helium).

Last verified on 19-07-2026