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

• The human body typically has 206 bones
• At the time of birth, there are 270 (300) bones which fuse with time to come to a total of 206 bones.

The total bones of our body can be divided into:

• The axial skeleton (80) 
• The appendicular skeleton (126)

The newborn child has 300 bones.

• Longest bone: Femur (thigh bone)
• Shortest: Stapes (one of the 3 small bones inside the ear)

The human head has 22 bones.

Last verified on 30-03-2026

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

Explanation

• The Gandhara civilization was located in the Khyber Pakhtunkhwa, Pakistan.
• It is particularly in the region around Taxila and Peshawar.
• It was a major center of Buddhist culture.
• It is art from around the 6th century BCE to the 11th century CE.

Last verified on 30-03-2026

Explanation

The first Noble Prize to be awarded to a South Asian was awarded to Rabindranath Tagore.

Explanation

• Aravalli Range is the oldest mountain system in the world.
• Formed around 1.5–2 billion years ago.
• Located in India (Rajasthan region).
• Youngest = Himalayas

Last verified on 30-03-2026

Explanation

• “Rule of Thumb” refers to a general guideline based on practical experience, not a precise measurement.
• It is used when giving an approximate or rough estimate.

Last verified on 30-03-2026

Explanation

• Distance from Equator to either pole is about 10,002 km.

Additional information:

• Total Earth circumference: ~40,008 km
• Earth radius (approx): ~6,371 km
• Latitude of Equator: 0°
• Latitude of Poles: 90°

Last verified on 30-03-2026

Explanation

• Shimizu Tunnel is a famous railway tunnel in Japan.
• It connects Gunma and Niigata prefectures.
• Built in 1931, it was once the longest tunnel in Japan.
• Length: ~9.7 km
• Line: Jōetsu Line

Last verified on 30-03-2026