Updated December 20, 2022
Here we present you the selective Science GK questions with answers for numerous competitive examinations like Banking, Railway, UPSC and State PCS exams, SSC exams, to name a few. Most of these questions have been asked in competitive exams and most probably it would be asked again in other competitive exams. So, our endeavor is to present you with the most important science gk questions in the best possible way which could help you in achieving your desired goals.
Along with presenting these questions, our team wishes you all the best for your upcoming exams. So, do practice with general science gk questions being featured on this page for better results in exams and try to solve these questions yourself with the help of answers and check your performance.
1. Rate of growth of the plant is measured by which instrument?
2. ‘Energy of the Sun’ concept discovered by which scientist?
Answer: Hans Selye
3. What is the best source of Protein?
4. 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)
5. What is the name of the tube which connects the middle ear with the throat?
Answer: Eustachian tube
6. By which Cotton fibers are made?
7. ‘Mechanical Clock’ made by whom?
Answer: Isaac Newton
8. Basically the heavy water is used by which type of industries?
Answer: Nuclear Power Generation plants
9. Splitting of light into its constituent colors is known as what?
10. To measure the Humidity in air, which instrument is used?
11. In our solar system the MARS is fourth planet according to sequences but how many moons Planet ‘MARS’ has?
12. What is the speed of Earth around sun?
Answer: 30 km/sec
13. What is the name of NASA Mars Rover and when it was landed on MARS?
Answer: Curiosity (Launched on November 26, 2011, Landed on MARS – 6th August 2012)
14. What is the purest form of Iron?
Answer: Wrought Iron
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15. Who achieved the discovery of ‘Vitamin C’?
Answer: Albert Szent
16. For the cultivation, name the crop required of water-logging?
17. The ‘Concept of Inertia’ was developed by?
18. The BrahMos Missile was developed by which country?
Answer: Developed with Joint venture of India and Russia
19. Electromagnetic Field concept was observed and discovered by whom?
Answer: James Hargreaves
20. Which gas is most popular as laughing gas?
Answer: Nitrous oxide
21. One Horsepower (1 HP) is equivalent to approximately?
Answer: 746 Watts
22. Which was the first satellite of India, go into the orbit?
23. In human body ‘Vitamin K’ is necessary for what?
Answer: Formation of Prothrombin
24. Who discovered the ‘Modern Anthropology’?
Answer: Frederick Sanger
25. ‘White Revolution’ is related to what?
Answer: Milk Production
26. A very successful invention ‘Liquid Oxygen’ discovered by whom?
27. What is the radiant energy of the sun is transmitted?
Answer: Short waves
28. What is the chemical formula of ‘Sodium Hydroxide’?
29. Planet ‘Uranus’ was discovered by whom?
Answer: Hideki Yukawa
30. The Folded Earth book was written by?
Answer: Anuradha Roy
31. Barometer was invented by?
Answer: F. Banting
32. Which rays is very helpful in Long distance photography?
Answer: Infra-Red rays
33. In India, who laid the foundation of Nuclear Science?
Answer: Homi J. Bhabha
34. In Computer, what is the full form of UPS?
Answer: UPS = Uninterruptable Power Supply
35. Which city is built on more than 100 islands?
Answer: Venice (capital of northern Italy’s Veneto region)
36. Name the scientist who’s discovered the ‘Fahrenheit Scale’?
37. Name of vegetable which is also known as a flower?
38. Until in 1930, what was the highest structure in the world?
Answer: Eiffel Tower
39. Highest electrical conductivity found in which element?
40. Thermometer made first by?
41. When India Supercomputer ‘PARAM 10000’ was unveiled?
Answer: In 1998
42. ‘Foundations of Biology’ concept given by whom?
Answer: Jean Piaget
43. Planet Jupiter has how many moons?
Answer: Jupiter has at least 67 known moons
44. Soda water contains what?
Answer: Carbon dioxide
45. Stainless Steel invented by whom?
46. Which planet is commonly known as Dwarf Planet?
47. In 1911 ‘Georges Claude’ invented what?
48. As of November 2015, which country have most of supercomputers?
Answer: USA (199 Supercomputers)
49. Name the suitable material for purify the water?
50. Fraction of volume of ice seen outside when immersed in water?
51. IRADIAN is
Answer: 57.3 degree
52. Black hole is an object to be found
Answer: in the sky
53. Special Theory of Relative was proposed in
54. Hasdo Valley in Chhattisgarh is famous for
Answer: Coal mines
55. The pollutants which move downward with percolating groundwater are called
56. The working of a rockets based on the principle of:
Answer: Conservation of momentum
57. Exchange particle in Quark-Quark Interaction
58. Celsius and Fahrenheit show the same temperature at
59. “Optical Phenomenon” in the fringe pattern of CD is
60. The invention of Electric Flat Iron was successfully by?
Answer: H. C. Urey
61. The disease ” bronchitis ” is associated with:
62. Which colour indicate Highest Temperature?
Answer: Dull red
63. Persons sitting in an artificial satellite of the earth have:
Answer: Zero weight
64. Light Year is
Answer: the distance traveled by light in one year
65. Liquefied petroleum gas (LPG) is mainly a mixture of
Answer: propane and butane
66. The Ozone layer lies in the
67. Most of the light rays inside a tube -light is in the form of
Answer: ultra -violet light
68. Which is the alkalodid that contains in cola drinks?
69. The device used for detecting even feeble current:
70. Anemometer is an instrument used for measuring
Answer: Wind speed
71. Due to contraction of eyeball, a long-sighted eye can see only
Answer: farther objects which is corrected by using concave lens
72. Which one among the following is not correct about Down’s syndrome?
Answer: Effected individual has early ageing
73. Insects that can transmit diseases to human are referred to as
74. Which of the following diseases are transmitted from one person to another?
Answer: AIDS, Hepatitis B & Syphilis
75. One of the occupational health hazards commonly faced by the workers of ceramics, pottery and glass industry is
76. The anti-malarial drug Quinine is made from a plant. The plant is
77. To suspect HIV/AIDS in a young individual, which one among the following symptoms is mostly associated with?
Answer: Severe persistent headache
78. Hypertension is the term used for
Answer: Increase in blood pressure
79. Acute lead poisoning is also known as
80. Which is the vertebrate that has two-chambered heart?
81. What is the life span of WBC?
Answer: 2-15 days
82. What is the life span of RBC?
Answer: 120 days
83. There are _____ number of muscles in human.
84. What is the name of the cells in the body that engulf foreign particles like bacteria?
85. _________________ is the longest cell.
Answer: Nerve Cell
86. Which is the largest human cell?
87. The largest cell is ________________
Answer: The egg of an Ostrich
88. What is the physical phase of life called?
89. Animal which never drinks water in its entire life?
Answer: Kangaroo rat
90. Oral Rehydration Therapy is recommended for