General Science GK Questions and Ans

Question No – (1) Which gas is most popular as laughing gas? 
Answer: Nitrous oxide.

Question No – (2) Electromagnetic Field concept was observed and discovered by whom? 
Answer: James Hargreaves.

Question No – (3) The BrahMos Missile was developed by which country? 
Answer: Developed with Joint venture of India and Russia.

Question No – (4) The ‘Concept of Inertia’ was developed by? 
Answer: Galileo.

Question No – (5) For the cultivation, name the crop required of water-logging? 
Answer: Rice.

Question No – (6) Who achieved the discovery of ‘Vitamin C’? 
Answer: James Watson.

Question No – (7) What is the purest form of Iron? 
Answer: Wrought Iron.

Question No – (8) What is the name of NASA Mars Rover and when its landed on MARS? 
Answer: Curiosity (Launched on November 26, 2011, Landed on MARS – 6th August 2012).

Question No – (9) What is the speed of Earth around sun? 
Answer: 30 km/sec.

Question No – (10) In our solar system the MARS is fourth planet according to sequences but how many moons has ‘Planet MARS’? 
Answer: 2

Question No – (11) To measure the Humidity in air, what instrument used? 
Answer: Hygrograph.

Question No – (12) Splitting of light into its constituent colors is known as what? 
Answer: Dispersion.

Question No – (13) Basically the heavy water is used by which type of industries? 
Answer: In Nuclear Power generation plants.

Question No – (14) ‘Mechanical Clock’ made by whom? 
Answer: Isaac Newton.

Question No – (15) By which Cotton fibers are made? 
Answer: Cellulose.

Question No – (16) What is the name of tube which connects the middle ear with the throat? 
Answer: Eustachian tube.

Question No – (17) A historical victory achieved by a Spacecraft which got Mars on its First try? 
Answer: Mangalyaan (Developed by ISRO, launched on 5 November 2013, Reached – 24 September 2014).

Question No – (18) What is the best source of Protein? 
Answer: Soybean.

Question No – (19) ‘Energy of the Sun’ concept discovered by which scientist? 
Answer: Hans Selye.

Question No – (20) Rate of growth of plant is measured by which instrument? 
Answer: Auxanometer.

Question No – (21) One Horsepower (1 HP) is equivalent to approximately? 
Answer: 746 Watts.

Question No – (22) Which was the first satellite of India, go into the orbit? 
Answer: Aryabhata.

Question No – (23) In human body ‘Vitamin K’ is necessary for what? 
Answer: Formation of Prothrombin.

Question No – (24) Who discovered the ‘Modern Anthropology’? 
Answer: Frederick Sanger.

Question No – (25) ‘White Revolution’ is related to what? 
Answer: Milk Production.


Question No – (26) A very successful invention ‘Liquid Oxygen’ discovered by whom? 
Answer: Dewar.