1. Which is the shortest day in the year ?

Answer: December 22

2. What is the name of tallest Animal ?

Answer: Giraffe

3. Which is largest Dome in India ?

Answer: Gol Gumbaz (Karnataka)

4. Which is longest tributary river of India ?

Answer: Yamuna

5. Which is the longest road in India ?

Answer: Grand Trunk Road (2500 Km)

6. 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.

7. Which is Longest road tunnel in the World ?

Answer: Lærdal Tunnel (Norway - 24.51 kilometre)