1. Which is largest continent ?

Answer: Asia

2. Which is the smallest state of India by Population ?

Answer: Sikkim

3. Which is biggest planet ?

Answer: Jupiter

4. 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.

5. Which is longest river of South India ?

Answer: Godavari

6. Which is Largest railway route in India ?

Answer: Dibrugarh in Assam to Kannyakumari in Tamil Nadu.

7. Which is the largest Mosque in India ?

Answer: Jama Masjid (Delhi)