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

• An eclipse occurs when one celestial body blocks another’s light.
• Lunar eclipse happens when Earth’s shadow falls on the Moon.
• Solar eclipse happens when the Moon blocks sunlight reaching Earth.
• These events occur due to alignment of Sun, Earth, and Moon.

Last verified on 01-04-2026

Explanation

First Recognition: Iran (August 1947).

List of Country recognized Pakistan Date vise:

Last verified on 31-03-2026

Explanation

• Mercury is the closest planet to the Sun, followed by Venus.
• Called an inner planet because it orbits inside Earth’s orbit.
• Number of moons: 0 (Mercury has no natural satellites).
• Size: Smallest planet in the solar system.
• Nickname: Swift Planet, due to its fast orbit around the Sun (≈88 days per orbit).

Last verified on 17-03-2026

Explanation

• Sunlight is a good source of vitamin D.
• When our skin is exposed to sunlight, it produces vitamin D, 
• It is essential for bone health, immune function, and the regulation of calcium levels in the blood.
• Deficiency of Vitamin D results in Rickets.

Explanation

• Date Signed: 10 January 1966
• Place: Tashkent, Soviet Union (now Uzbekistan)

Signatories:

• Ayub Khan – President of Pakistan
• Lal Bahadur Shastri – Prime Minister of India
• Alexei Kosygin – Premier of USSR (mediator)

Last verified on 16-01-2026

Explanation

• Pakistan lies between the latitudes 24N to 37N
• ***
  
•  Pakistan is divided into five , physiographical divisions
• Pakistan lies between the longitudes, 61 E to 75.5 E
• _________________________________
  Islamabad is the capital of Pakistan.
  
• The construction of Islamabad was completed in 1966

Explanation

Constitution species for MNA: 1973

MNA: Member of National Assembly

Explanation

The SI unit of radioactivity is becquerel (Bq).

Curie is a non-SI unit, with 1 curie equal to 37 billion Bq.

Radioactive decay (also known as nuclear decay, radioactivity, radioactive disintegration, or nuclear disintegration)

It is the process by which an unstable atomic nucleus loses energy by radiation.

Three of the most common types of decay are:

• Alpha
• Beta
• Gamma decay

Explanation

Sunlight is composed of the following seven colours:

1.       Violet

2.       Indigo

3.       Blue

4.       Green

5.       Yellow

6.       Orange

7.       Red