Who wrote the national anthem of India? Ans:- Bankim Chandra Chatterjee Who called Mahatma Gandhi the Father of the Nation first? Ans:- By Netaji Subhas Chandra Bose 03. Which is our national almanac? Ans:- Doubt Samvat What is the duration of singing the national anthem? Ans:- 52 seconds 05. Who discovered radioactivity? Ans: By Henry Bakerl 06. Pace maker is related to which part of the body? Ans:- The Heart Which gland of the human body is called the 'Master Gland'? Ans:- The pituitary gland Which is the purest form of carbon? Ans:- Diamond Who invented X-ray? Ans:- Rantjan Which metal was first used by humans? Ans:- Copper What does the astronauts have to look like to the outer sky? Ans:- Black Who invented the telescope? Ans:- By Galileo What is the name of Mahatma Gandhi's samadhi in Delhi? Ans:- Rajghat From where did the first train in India run? Ans:- From Bombay (present-day Mumbai) to the police station Metro rail service was launched in which city for the first time in India? Ans:- Kolkata In which sun did the train start in India? Ans:- 1853 Who was the first Indian astronaut? Ans:- Squadron Leader Rakesh Sharma, in 1984 Who was the first woman Chief Minister of India? Ans:- Smt. Sucheta Kriplani Who was the first Chief Minister of Haryana? Ans:- Pt. Bhagwant Dayal Sharma When was the United Nations founded? Ans:- October 24, 1945 Imp GK: By which article of the Constitution Hindi was declared as the national language? CDS Bipin Rawat to receive honour, Government of India to confer Padma Vibhushan Guterres voices concern over missile attack in Iraq's Erbil