Explanation

• Headquarters: Tehran, Iran.
• Established: 1985.
• Founding countries: Türkiye, Iran, and Pakistan.
• Official language: English.
• Purpose: To promote economic, technical, and cultural cooperation among member states.

ECO Member States (10):

1. Türkiye
2. Iran
3. Pakistan
4. Afghanistan
5. Azerbaijan
6. Kazakhstan
7. Kyrgyz Republic
8. Uzbekistan
9. Tajikistan
10. Turkmenistan

Last verified on 14-10-2026

Explanation

• Total bones in adult human body = 206
• At birth = 270–300 bones (fuse to become 206)

The total bones of our body can be divided into:

• Axial skeleton = 80 bones
• Appendicular skeleton = 126 bones

Additional information:

• Newborn baby has 300 bones
• Longest bone = Femur
• Shortest bone = Stapes
• Bones in human skull = 22

Last verified on 30-03-2026

Explanation

21 EU member states currently use the euro (€) as their official currency.

1. Austria
2. Belgium
3. Bulgaria
4. Croatia
5. Cyprus
6. Estonia
7. Finland
8. France
9. Germany
10. Greece
11. Ireland
12. Italy
13. Latvia
14. Lithuania
15. Luxembourg
16. Malta
17. Netherlands
18. Portugal
19. Slovakia
20. Slovenia
21. Spain

The euro was introduced for electronic payments on 1 January 1999.

• Euro banknotes and coins were introduced on 1 January 2002.
• Bulgaria became the 21st EU country to adopt the euro in January 2026.

Last verified on 06-09-2026

Explanation

• The chemical formula of baking soda is NaHCO₃, which stands for sodium bicarbonate.
• The chemical name of baking soda is sodium hydrogen carbonate or sodium bicarbonate (NaHCO3).
• Sodium bicarbonate is non flammable
• Baking soda is basic in nature.

Last verified on 03-09-2026

Explanation

• The Aorta is the largest artery in the human body.
• It carries oxygen-rich blood from the left ventricle of the heart to the rest of the body.
• It is the main artery of the systemic circulatory system.
• The aorta branches into smaller arteries to supply blood to all body organs except the lungs.

Additional information:

• Arterioles are the smallest branches of arteries.
• They carry oxygenated blood from arteries to the capillaries.
• Arterioles regulate blood flow and blood pressure by constricting or dilating.

Last verified on 21-07-2026

Explanation

• Edition: 22nd, held in Qatar from 20 Nov – 18 Dec 2022.
• Winner: Argentina – third World Cup title, first in 36 years.
• Runner-up: France.
• Final Match: Argentina vs France at Lusail Stadium, Qatar.

Additional information:

• Third Place: Croatia | Fourth Place: Morocco.
• Top Scorer: Kylian Mbappe (France) – 8 goals, scored hat-trick in final.
• Best Player / Golden Ball: Lionel Messi (Argentina) – second time winner.
• Best Young Player: Enzo Fernandez (Argentina).
• Best Goalkeeper / Golden Glove: Emiliano Martinez (Argentina).

Last verified on 08-03-2026

Explanation

As of 2023, the countries that have successfully landed robots on the planet Mars are:

United States:NASA has successfully landed multiple rovers on Mars, including:

• the Viking landers
• the Spirit
• Opportunity rovers
• the Curiosity rover
• the Perseverance rover.
• 
  

China: China’s space agency successfully landed the Zhurong rover on Mars in May 2021 as part of the Tianwen-1 mission.

Explanation

• Jasmine (Chambeli) is the national flower of Pakistan.
• It was chosen as the national flower in 1961.

Additional information:

• National Bird: Chukar
• National Animal: Markhor
• National Dish: Nihari
• National Fruit: Mango
• National Tree: Deodar
• National Flower: Jasmine
• National Vegetable: Lady Finger (Okra)

Last verified on 08-03-2026

Explanation

• Weber (Wb) is the SI unit of magnetic flux.
• One Weber is equal to one volt-second (V·s).
• A magnetic flux density of 1 Weber per square metre (1 Wb/m²) is equal to 1 Tesla (T).
• Magnetic flux measures the total magnetic field passing through a surface.

Last verified on 03-07-2026

Explanation

• Winner: Qatar
• Runner-up: Jordan
• Final Score: 3–1
• Final Date: 10 February 2024
• Host: Qatar

Last verified on 20-06-2026