1. Which state is largest by Population ?

Answer: Uttar Pradesh

2. Which is Longest national highway of India ?

Answer: NH-7 ( Varanasi to Kanyakumari - 2,369 km)

3. Which is the state largest by area in India ?

Answer: Rajasthan

4. Which is largest Creature in world ?

Answer: Blue Whale

5. 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.

6. Which Indian state is having longest coastline ?

Answer: Gujrat

7. Which is Largest Dome in World ?

Answer: St. Peter's Basilica (Rome)