1. Which is the longest Platform ?

Answer:

Gorakhpur railway station, Uttar Pradesh, India (1355.40 meters)

2. Which is largest Dam in World ?

Answer: Three Gorges (China)

3. Which is Largest Dome in World ?

Answer: St. Peter's Basilica (Rome)

4. Which is longest river in world ?

Answer: Nile, Africa

5. What is the name of tallest Animal ?

Answer: Giraffe

6. Which is largest continent ?

Answer: Asia

7. 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.