Explanation

• Calcium phosphate, specifically hydroxyapatite, is the main component of bones and teeth.
• It is a calcium salt of phosphoric acid.
• It is the primary mineral constituent of bone tissue, making up about 70-80% of bone dry weight.
• Calcium phosphate gives bones and teeth their strength and rigidity.

Last verified on 31-03-2026

Explanation

• The Mariana Trench is the deepest part of the Earth.
• It is located in the western Pacific Ocean.
• Its deepest point is called Challenger Deep.

Additional information:

• Depth: 10,994 meters
• Length: ~2,550 km
• Width: ~69 km

Last verified on 31-03-2026

Explanation

• The cheapest source of electricity generation is Solar Energy.
• Solar energy uses sunlight, which is free and renewable.
• Costs have dropped significantly due to modern solar panel technology.
• It avoids fuel costs and environmental pollution.

Last verified on 31-03-2026

Explanation

• The heat and energy the Earth receives from the Sun is called Solar Radiation.
• It is a form of electromagnetic energy, mainly visible light, infrared, and ultraviolet.
• Solar radiation drives climate, weather, and photosynthesis.
• Measured in watts per square meter (W/m²) at the top of the atmosphere.

Last verified on 31-03-2026

Explanation

• The headquarters of the International Court of Justice is in The Hague, Netherlands.
• ICJ is one of the six principal organs of the United Nations.
• It consists of 15 judges, elected for 9-year terms.

• Founded: 1945
• Official Languages: English, French
• Member States: UN member countries
• Main Function: Settling legal disputes between states

Explanation

• Diseases can be caused by bacteria, viruses, or other pathogens.
• Flu (Influenza) and Jaundice (Hepatitis A, B, or C) are caused by viruses.
• Typhoid and Cholera are caused by bacteria.
• Therefore, Typhoid and Cholera are not viral diseases.

Last verified on 31-03-2026

Explanation

• Pakistan Air Force has a structured rank hierarchy.
• Air Commodore is the highest rank in this list.
• It is a one-star air officer rank, above Wing Commander.

Additional information:

• The Pakistan Air Force was established on 14 August 1947.
• It is the part of Pakistan Armed Forces.
• It is headquarters Air Headquarters (AHQ), Islamabad.

Last verified on 31-03-2026

Explanation

• Greenwich is an area in south-east London, England.
• It lies on the south bank of the River Thames in the historic county of Kent.
• It is famous for the Prime Meridian (0° longitude).
• It is used as the reference for Greenwich Mean Time (GMT).
• Greenwich is famous for calculating the time for all countries.

The Greenwich meridian, also known as the prime meridian, passes through the following countries:

• England
• France
• Spain
• Algeria
• Mali
• Burkina Faso
• Togo
• Ghana 
• Antarctica

Last verified on 31-03-2026

Explanation

• The Nile River originates mainly from Lake Victoria (White Nile).
• It has two main tributaries: White Nile and Blue Nile.
• The Blue Nile starts from Lake Tana.
• Both rivers meet at Khartoum (Sudan).

Additional information:

• Total Length: ~6,650 km
• Outflow: Mediterranean Sea
• The Nile is the longest river in the world.
• Egypt is called the “Gift of the Nile” because it depends heavily on it.

Last verified on 31-03-2026

Explanation

Benghazi is a major city in Libya,

Located in North Africa

The largest city in the Cyrenaica region

ADDITIONAL INFORMATION RELATED LIBIYA

Libya's capital is Tripoli.

Currency is Libyan Dinar.

Located in Continent Africa.

Primary Religion is Islam.

Head of Govt. is Prime Minister – Fathi Bashagha.

Parliament is called the General People’s Congress.

Tricks for Remember

DINAR

 K-S in J-A-I-L

**K-S**

K-Kuwait

S-Sudan

**J-A-I-L***

J-Jorden

A-Algeria

I-Iraq

L-Libya

LAST UPDATE 15 Jnauray 2026