1. Who has written the national anthem of India?
Ans:- Bankim Chandra Chatterjee

2. Who first called Mahatma Gandhi the Father of the Nation?
Ans:- Netaji Subhash Chandra Bose

3. Which is our national calendar?
Ans:- Shaka Samvat

4. What is the duration of singing the national anthem?
Ans:- 52 seconds

5. Who discovered radioactivity?
Ans:- Henry Becquerel

6. Pace maker is related to which part of the body?
Ans:- Heart

7. Which gland of the human body is called 'master gland'?
Ans:- pituitary gland

8. Which is the purest form of carbon?
Ans:- Diamond

9. Who invented X-ray?
Ans:- Rantjan

10. Which metal was first used by humans?
Ans:- Copper

11. How does the outer sky appear to the astronaut?
Ans:- Black

12. Who invented the telescope?
Ans:- Galileo

13. What is the name of Mahatma Gandhi's Samadhi in Delhi?
Ans:- Rajghat

14. From where to where did the first train run in India?
Ans:- From Bombay (Present Mumbai) to Thane

15. In which city was the metro rail service started for the first time in India?
Ans:- Kolkata

16. In which year was the railway started in India?
Ans:- 1853

17. Who was the first Indian astronaut?
Ans:- Squadron Leader Rakesh Sharma, in 1984

18. Who was the first woman Chief Minister of India?
Ans:- Mrs Sucheta Kripalani

19. Who was the first Chief Minister of Haryana?
Ans:- Pt. Bhagwat Dayal Sharma

20. When was the United Nations Organization established?
Ans:- 24 October 1945

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