Explanation

• The average adult has a blood volume of about 5 liters (5-6 litres), though this can range from 4.5 to 5.5 liters.
• Male: About 5.5 liters.
• Female: About 4.5 liters.
• Proportion: Blood makes up roughly 7% of a person's total body weight. 

Last verified on 30-03-2026

Explanation

• Jupiter's diameter is about 11 times the diameter of Earth.
• Jupiter is the largest planet in our solar system.

Last verified on 30-03-2026

Explanation

• The freezing point of heavy water is 3.82°C:
• Heavy water (D2O) Regular water
• Freezing point 3.82°C 0°C |
• Boiling point 101.42°C 100°C | 
• Heavy water is made up of two deuterium atoms and one oxygen atom.
• It contains more deuterium, a hydrogen isotope, than regular water, which contains hydrogen-1.
• Heavy water is used in reaction mechanisms.
• It is is prepared by electrolyzing water.

Last verified on 30-03-2026

Explanation

Saturn is the second-largest planet in the solar system.

Ganymede (Moon of Jupiter) is the largest satellite in the solar system.

Planets and Natural Satellites:

• Mercury: 0
• Venus: 0
• Earth: 1 (Moon)
• Mars: 2 (Deimos, Phobos)
• Jupiter: 95
• Saturn: 274
• Uranus: 27

Last verified on 30-03-2026

Explanation

WTO (World Trade Organization) was established on 1 January 1995.

It succeeded GATT.

Pakistan joined WTO on 1 January 1995.

Additional information:

• Members: 164
• Headquarters: Geneva, Switzerland
• Official Languages: English, French, Spanish

Objectives:

• Protect Intellectual Property Rights
• Promote Free Trade
• Remove Trade Quotas

Last verified on 16-01-2026

Explanation

• Guava is rich in Vitamin C.
• Contains more Vitamin C than oranges per 100 g.
• Strengthens immunity and skin health.
• Helps in iron absorption and antioxidant protection.

Last verified on 30-03-2026

Explanation

Samuel Hahnemann

• Birth: 1755
• Death: 1843
• Country: Germany
• Principle: “Similia similibus curentur” (like cures like)
• Famous work: Organon of Medicine

Last verified on 30-03-2026

Explanation

• Cholera is an infectious disease caused by the bacterium Vibrio cholerae.
• Symptoms include severe diarrhea, dehydration, and vomiting.
• Cholera can be prevented by clean drinking water and proper sanitation.

• It mainly spreads through contaminated water and food.
  It is most common in areas with poor hygiene and overcrowding.

Last verified on 3-03-2026

Explanation

• Japan's monarchy is the oldest surviving monarchy in the world.
• It was founded in 660 BCE, by Emperor Jimmu.
• The official records of royal succession date back to Emperor Ōjin's reign in the 4th century.
• However, they have recognized 125 monarchs till now.

Last verified on 30-03-2026

Explanation

• Cardiff, Liverpool, and Bristol all have important seaports.
• These ports played a key role in trade and maritime history of the UK.
• Cardiff port is famous for coal export historically.
• Liverpool is known for transatlantic trade and shipping.
• Bristol port is important for commerce and docks development.

Last verified on 30-03-2026