89 One Liner General Science GK Facts For All Exam 2024-25

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89 One Liner General Science GK Facts For All Exam 2024-25: General Science is also an important part of any competitive examination. There are many questions asked in examinations related to general science. Here are the list of 89 One Liner General Science GK Facts.

89 One Liner General Science GK Facts For All Exam 2024-25

1. At a temperature of 273 degrees Celsius, all substances have zero thermal energy.

2. Any substance that, when added to a reaction, alters the rate of the reaction but remains chemically unchanged at the end of the process is called a catalyst.

3. The study of the interrelationships of animals and plants with their environment is called ecology.

4. The study of insects is called entomology.

5. A diopter is used to express the focal power of optical lenses.

6. The velocity that a body with less mass must achieve in order to escape from the gravitational attraction of a more massive body is called escape velocity.

7. Laughing gas is chemically known as Nitrous Oxide.

8. The blood vessels carrying blood from the heart to various parts of the body are called arteries.

9. The distance traveled by light in one year is called the light year.

10. The rate of change of position of a body with respect to time in a particular direction, which is a vector quantity, is called velocity.

11. An organism that derives its nourishment from another living organism is called a parasite.

12. Newton’s second law of motion states that the rate of change of momentum of a body is directly proportional to the force applied and takes place in the direction in which the force acts.

13. Sputnik-1 is the world’s first man-made satellite.

14. Venus is the brightest of all the planets.

15. Small pieces of solid matter that are found scattered in the inter-planetary space of the solar system are known as meteoroids.

16. The largest gland in the body, which is dark red in color, is the liver.

17. Inadequate secretion of the insulin hormone causes diabetes.

18. The common cold, influenza, chickenpox, and measles are caused by the attack of the virus.

19. The communication satellites are located in ionosphere, the atmospheric layer.

20. The scientific principle behind ‘Fibre Optics’ is total internal reflection of light.

21. Ginger is a stem and not a root because it has nodes and internodes.

22. When we wind a watch, potential energy is stored.

23. A switch is used to break or complete an electronic circuit.

24. In Internet jargon, the full form of ‘http’ is Hyper Text Transfer Protocol.

25. When a piece of ice floating in a beaker of water melts, the level of water remains the same.

26. Chemical energy is stored in a dry cell.

27. When a cricketer lowers his hand while catching the ball, it saves him from injury due to the conservation of momentum.

28. The full form of AIDS is Acquired Immune Deficiency Syndrome.

29. Chemical technology dealing with the conservation of base metals into gold is alchemy.

89 One Liner General Science GK Facts For UPSC CSE 2024-25

30. Substances produced by microorganism that kill or prevent the growth of other microorganism are called antibiotics.

31. Substances that react with acids to form salts are called bases.

32. The ancient oriental art of growing trees in dwarf form is called bonsai.

33. Calorie is the unit of heat.

34. The ability of a body to resist tension or compression and to recover its original shape and size when the stress is removed is called elasticity.

35. The negatively charged particles that revolve around the nucleus of the atom in certain orbits are called electrons.

36. The branch of biology dealing with the study of heredity is genetics.

37. Kwashiorkor is caused by a deficiency of protein.

38. An optical illusion often witnessed in deserts when the objects on the surface of the earth at some distance appear as if reflected from the surface of water owing to the unequal heating of the different parts of the atmosphere is called mirage.

39. The branch of science that deals with the study of nature and the properties of light is called optics.

40. The scale used to measure the magnitude of earthquakes is called the Richter scale.

41. The heat required to raise the temperature of 1 kg of a substance by one degree Celsius is called specific heat.

42. The speed greater than the speed of sound is called supersonic speed.

43. Volatile substances that incapacitate for a time by powerfully irritating the eyes and provoking tears are called tear gas.

44. Alfred B. Nobel is the inventor of dynamite.

45. Jagadish Chandra Bose discovered life in plants.

46. The unit used to measure the loudness of sound is the decibel.

47. The smallest part of an element that can take part in a chemical reaction is called an atom.

48. Substances used for destroying or stopping the growth of microorganisms in living tissue are called antiseptics.

49. Water that does not form lather with soap easily is called hard water.

50. The lines drawn on maps joining places having the same barometric pressure are called isobars.

51. Lymph differs from blood in not having red blood corpuscles.

52. Universal receivers can receive blood from groups O, A, B, and AB.

53. The study of grass is called agrostology.

54. The study of tumors is called oncology.

55. Density will be unaffected by an increase in quantity.

56. The velocity of a body is the rate of change of its position in a definite direction.

57. The first law of motion is involved in the act of cleaning a carpet by beating it with a stick.

58. When the lift is going down with uniform acceleration, the apparent weight of a man in a lift is less than his real weight.

59. A person presses the earth the least when he is lying on the ground.

60. Oil spreads over the surface of water because oil has less surface tension than water.

89 One Liner General Science GK Facts For SSC CGL 2024-25

61. In high mountainous regions, bleeding through the nose occurs because the pressure of the blood in the capillaries is higher than the outside air pressure.

62. A man weighs more at the poles than at the equator because gravitational pull is greater at the poles.

63. A body weighs less in the air than in a vacuum.

64. A gas will behave as an ideal gas at very low pressure and high temperature.

65. Oology is the branch of science dealing with the study of birds eggs.

66. A drop of liquid assumes a spherical shape because a sphere has the least surface area for a given volume.

67. In photosynthesis, light energy is converted into chemical energy.

68. Work done against friction is negative.

69. When cream is separated from milk, the density of milk increases.

70. Diamond is harder than graphite due to the difference in crystalline structure.

71. The red and green color combination is the most convenient during the day and night.

72. In a human body, the longest bone is in the B.

73. An element that does not reach oxygen is helium.

74. An instrument that measures and records the relative humidity of air is a hygrometer.

75. The different colors of different stars are due to the variation in temperature.

76. A proton is left when a hydrogen atom loses its electron.

77. The fundamental scientific principle in the operation of a battery is oxidation reduction.

78. Zinc is used to galvanize iron.

79. The instrument used to measure the force and velocity of the wind is an anemometer.

80. Edward Jenner is associated with small pox.

81. Magnetite is the only natural magnet known to man. Magnetite is an ore of iron.

82. The magnets made from cobalt, nickel, steel, and iron are called artificial magnets.

83. Electromagnets are used in electric motors, doorbells, etc.

84. A substance that conducts electricity in solution is called electrolyte.

85. Salt water is a conductor of electricity but dry salt is not a conductor of electricity.

86. The human eye acts very much like a pinhole camera.

87. Silver metal is the best reflector of light rays. Its reflectance is 95%.

88. The first automobile was developed by Carl Benz of Germany in the 1880s.

89. The Earth is the only planet in the universe known to support life.

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By Ravi
I'm Ravi. I'll provide blogs related to UPSC and State PSC/PCS on this site (raviias.com). I write fact based blogs and motivational posts.