1. Which is smallest continent of world ?

Answer: Australia

2. 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.

3. Which is the highest Plateau ?

Answer: Pamir, Tibet

4. Which is Longest national highway of India ?

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

5. Which is the shortest day in the year ?

Answer: December 22

6. Which is the largest Mosque in India ?

Answer: Jama Masjid (Delhi)

7. Which is smallest and largest bird ?

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