61. Vitamin which is found in citrus fruits and vital for the health of skin is
Vitamin A
Vitamin B
Vitamin C
Vitamin D
62. The process of the purification of blood in a human body is called
Dialysis
Haemolysis
Osmosis
Paralysis
63. When electricity is generated by a turbine and dynamo, which energy is converted into electrical energy?
Chemical energy
Solar energy
Mechanical energy
Magnetic energy
64. Which type of lens is used in reading glasses?
Concave
Convex
Normal
Both (1) and (2)
65. Which of the following metals is liquid at normal temperature?
Lead
Mercury
Nickel
Tin
66. Which of the following is the hardest one?
Diamond
Glass
Quartz
Platinum
67. Which is known as dry ice?
Dehydrated Ice
Natural ice falling over mountains
Solid Carbon Dioxide
Solid Carbon Monoxide
68. Which of the following is used for making soap?
Vegetable oil
Mobile
Kerosene
Cooking Oil
69. The gas used for cooking purposes is primarily
Carbon dioxide
Nitrogen oxide
Methane
Nitrogen dioxide
70. The laughing gas used by doctors in anesthesia is
Carbon Dioxide
Nitrogen Oxide
Nitrous Oxide
Nitrogen Dioxide
71. The polluted gas emitted through vehicles is primarily
Carbon Dioxide
Carbon Monoxide
Marsh Gas
Nitrogen Oxide
72. Which is used in the preservation of edible substances?
Citric acid
Potassium chloride
Sodium Benzoate
Sodium chloride
73. Which metal is used as a filament in a light bulb?
Iron
Molybdenum
Silver
Tungsten
74. When was the first Indian satellite ‘Aryabhatta’ was launched?
10 July 1992
19 April, 1, 975
1 November, 1966
3 December, 1985
75. International Date Line crosses over
Africa
Asia
Pacific Ocean
Atlantic Ocean
76. Kilimanjaro is an
Igneous mountain
Island
Peak
River
77. The percentage of literacy in Bihar is
42.85
47.25
52.51
43.56
78. Which river is notorious for shifting its channels?
Son
Gandak
Kosi
Ganga
79. ‘Pat’ region is situated in
Bihar
Jharkhand
Madhya Pradesh
Meghalaya
80. When was the ‘Insat-2A’ launched?
4 February, 1975
18 May, 1974
10 July, 1992
19 April, 1975
12 Total Test
360 Total Question
Scientifically designed for PCS
A must have for Civil services aspirant
IAS PCS SCC and others
75 Total Test
2250 Total Question
Scientifically designed for PCS
A must have for Civil services aspirant
IAS PCS SCC and others
69 Total Test
2070 Total Question
Scientifically designed for PCS
A must have for Civil services aspirant
Timer for time management
