1. Which is the largest country in the world based on the area?
2
2. What is the most spoken language in the world?
7
3. Which is the largest bone in the human body?
- Femur, also known as the thighbone
9
4. Which is the first biosphere reserve in India?
- Nilgiri Biosphere Reserve
16
5. Which is the largest freshwater lake in India?
19
6. What is the full form of HTTP?
- Hypertext Transfer Protocol
23
7. Which planet is known as the Red Planet?
25
8. Place these shapes in order of how many sides they have—square, triangle, octagon, and hexagon?
- Triangle, square, hexagon, octagon
29
9. Who discovered the theory of relativity?
34
10 . When is Hindi Diwas celebrated?
- September 14th of every year
37