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General Science GK
Sl. No. | Question - Science | Answer |
---|---|---|
41. | The heat required to raise the temperature of 1 kg of a substance through one degree celcius is called? | Specific heat. |
42. | The speed greater than the speed of sound is called? | Supersonic speed. |
43. | Volatile substance that incapacitates for a time by powerfully irritating the eyes, provoking tears is called? | Tear gas. |
44. | Who is the inventor of Dynamite? | Alfred B. Nobel. |
45. | Who discovered life in plants? | Jagadish Chandra Bose. |
46. | The unit used to measure loudness of sound is? | Decibel. |
47. | The smallest part of an element that can take part in a chemical reactiion is called? | Atom. |
48. | Substances used for destroying or stopping growth of micro-organisms in living tissue is calles? | Antiseptic. |
49. | Water that does not form lather with soap easily is called? | Hard water. |
50. | The lines drawn on maps joining the places having same barometic pressure is 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. | Study of Grass is called? | Agrostology. |
54. | Study of Tumour is called? | Oncology. |
55. | Which physical property will be unaffected with increase in quantity? | Density. |
56. | Velocity of a body is rate of change of its position in a definite direction, True or False? | True. |
57. | Which law is involved in the act of cleaning a carpet by beating it with a stick? | First Law of Motion. |
58. | When the lift is going down with uniform acceleration the apparent weight of a man in a lift is more or less than his real weight? | Less. |
59. | A person presses the earth least when he is? | Lying on the ground. |
60. | Oil spreads over the surface of water because? | Oil has less surface tension than water. |