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 largest Creature in world ?

Answer: Blue Whale

3. Which is smallest state by area of India ?

Answer: Goa

4. Which is Largest railway route in India ?

Answer: Dibrugarh in Assam to Kannyakumari in Tamil Nadu.

5. Which is the lightest gas ?

Answer: Hydrogen

6. What is the name of tallest Animal ?

Answer: Giraffe

7. Which is the largest Zoo in the World ?

Answer: Berlin Zoological Garden (Germany)