1. Which is largest Dam in World ?

Answer: Three Gorges (China)

2. Which is the smallest state of India by Population ?

Answer: Sikkim

3. Which is Highest Gallantry Award in India ?

Answer: Paramveer Chakra

4. Which is the highest dam in India ?

Answer: Tehri Dam on Bhagirathi River in Uttarakhand (Height of 260 metres)

5. Which is smallest and largest bird ?

Answer: Smallest Bird is Humming Bird and Largest bird is Ostrich

6. 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.

7. Which is longest river in world ?

Answer: Nile, Africa