1. Which is Place of heaviest rainfall ?

Answer: Mausinram (Meghalaya)

2. 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.

3. What is the name of tallest Animal ?

Answer: Giraffe

4. Which is smallest and largest bird ?

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

5. Which is the longest rail tunnel in India ?

Answer: Pir Panjal (J&k, 11215 metre)

6. Which is smallest planet ?

Answer: Mercury

7. Which is longest river in world ?

Answer: Nile, Africa