1. Which is the longest rail tunnel in India ?

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

2. Which is the Largest lake of the world ?

Answer: Caspian Sea (371,000 sq km)

3. Which is biggest planet ?

Answer: Jupiter

4. Which is the longest road in India ?

Answer: Grand Trunk Road (2500 Km)

5. Which is smallest and largest bird ?

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

6. Which is the longest Platform ?

Answer:

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

7. Which is the lightest gas ?

Answer: Hydrogen