1. Which is highest dam in world ?

Answer:

Jinping-I Dam - 305 m (1,001 ft) in China on Yalong river.
Second Highest is Nurek Dam 300 m (980 ft) Tajikistan on Vakhsh river.

2. Which is longest river in world ?

Answer: Nile, Africa

3. Which is the biggest museum in the world ?

Answer: British Museum, London

4. Which is largest Delta of India ?

Answer: Sundarban (W. Bengal)

5. Which is largest continent ?

Answer: Asia

6. Which is Highest Battle field ?

Answer: Siachin Glacier. Mastguru team Salutes to Indian soldiers.

7. Which is longest railway station ?

Answer: Grand Central Terminal, Chicago(USA).