GENERAL KNOWLEDGE

1. World Post Day is celebrated each year on 9 October
2. The Book Himalayan Blunder was written by John Dalvi
3. The deepest point in the Indian Ocean is the Sunda Trench
4. Yellowstone National Park is the first National park in World
5. Sunflower is the National Flower of Ukraine
6. The study of brain is known as Phrenology
7. Willem Einthoven invented ECG
8. Pius IX is the longest served Pope in Roman Catholics
9. Silk is the strongest natural fiber 
10. Victoria Cross is the highest military award in UK