01. Which is the national animal of India? Ans:- Tiger 02. Which is the national bird of India? Ans:- Peacock 03. Which is the national aquatic animal of India? Ans:- Ganga Dolphin 04. Which is the national fruit of India? Ans:- Mango 05. Which is the national flower of India? Ans:- Kamal 06. Which is the national tree of India? Ans:- Banyan 07. Which is the national sport of India? Ans:- Hockey 08. What is the ratio between the length and width of the national flag of India? Ans:- 3:2 09. Who wrote the national anthem of India? Ans:- Rabindranath Tagore 10. Which is the national anthem of India? Ans:- Vande Mataram 11. Who has written the national anthem of India? Ans:- Bankim Chandra Chatterjee 12. Who first called Mahatma Gandhi the Father of the Nation? Ans:- Netaji Subhash Chandra Bose 13. Which is our national calendar? Ans:- Shaka Samvat 14. What is the duration of singing the national anthem? Ans:- 52 seconds 15. Who discovered radioactivity? Ans:- Henry Becquerel 16. Pace maker is related to which part of the body? Ans:- Heart 17. Which gland of the human body is called the 'master gland'? Ans:- pituitary gland 18. Which is the purest form of carbon? Ans:- Diamond 19. Who invented X-ray? Ans:- Rantjan 20. Which metal was first used by humans? Ans:- Copper Amazon is giving a chance to win up to 40 thousand prizes, know how Who wrote the book called Arthashastra? Who gave the slogan 'Inquilab Zindabad'?