870 MCQ Questions in english

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870 MCQ Questions in english हिन्दी

86. Which of the following work as lubricant?

A. Iron Oxide

B. Diamond

C. Silica

D. Graphite

85. Lead tetraethyl is used as

A. Mosquito Repellent

B. Fire Extinguisher

C. Pain Killer

D. Petrol Additive

84. The inert gas that deep sea divers use to breathe in place of the nitrogen in the air is

A. Helium

B. Argon

C. Xenon

D. Krypton

83. The gases utilised in various forms of welding consist;

A. Oxygen, Hydrogen, Acetylene and Nitrogen

B. Oxygen and Acetylene

C. Oxygen, Acetylene and Argon

D. Oxygen and Hydrogen

82. When a material is exposed to air, it has the ability to absorb moisture from

A. Efflorescence

B. Desiccation

C. Deliquescence

D. Osmosis

81. Typically employed in quartz clocks and other devices, quartz crystals are chemically

A. A mixture of Germanium Oxide and Silicon dioxide

B. Sodium Silicate

C. Germanium Oxide

D. Silicon Dioxide

80. Which gas is not referred to as a greenhouse gas?

A. Nitrous oxide

B. Methane

C. Hydrogen

D. Carbon dioxide

79. A kilobyte is equivalent to...?

A. 1000 bytes

B. 100 bytes

C. 1024 bytes

D. 1023 bytes

78. What is bromine?

A. Red Liquid

B. Colourless Gas

C. Highly Inflammable Gas

D. Black Solid

77. The material that is the toughest on earth is

A. Iron

B. Gold

C. Platinum

D. Diamond

76. The type of coal where the deposit may be seen to include remnants of the original plant matter is

A. Lignite

B. Bitumen

C. Peat

D. Anthracite

75. Prothrombin, a substance that aids in blood clotting, is released by

A. lymphocytes

B. monocytes

C. blood platelets

D. erythrocytes

74. How many buses are connected to the microprocessor 8085?

A. 2

B. 3

C. 5

D. 8

73. Who wrote the "Bugler's Dream" tune, which many Americans mistake for the Olympic theme owing to its frequent use on television beginning with the 1964 Olympics?

A. Aarre Merikanto

B. Leo Arnaud

C. Yuji Koseki

D. John Williams

72. Which of the following honours people for outstanding achievements to the Olympic Movement?

A. Olympic Cup

B. Olympic Laurel

C. Olympic Town

D. Olympic Order

71. An assembler is?

A. Programming language-dependent

B. Syntax dependant

C. Machine dependant

D. Data dependant

70. Who won the women's event at the 2017 IAAF World Cross Country Championship?

A. Alice Nawowuna

B. Lilian Rengeruk

C. Irene Cheptai

D. Netsanet Gudeta

69. Who is the only woman to have won six Olympic gold medals?

A. Merlene Ottey

B. Allyson Felix

C. Marita Koch

D. Bobby Kersee

68. When and where were the inaugural UCI Mountain Bike World Championships held?

A. United States

B. Italy

C. France

D. Germany

67. Who was the quickest female athlete in the 400 m relay event at the 2016 Rio Olympics?

A. Tiana Bartoletta

B. Allyson Felix

C. Bianca Knight

D. Carmelita Jeter

66. Which of the following batsmen was the first to hit six sixes in an over?

A. Garfield Sobers

B. Ravi Shastri

C. Ted Alletson.

D. Kapil Dev

65. What decade saw the invention of the first successful diode and triode vacuum tubes?

A. 1800s

B. 1880s

C. 1890s

D. 1900s

64. What ingredient(s) is(are) utilised in pencils?

A. Charcoal

B. Silicon

C. Phosphorous

D. Graphite

63. Which of the following metals combines with other metals to produce an amalgam?

A. Mercury

B. Tin

C. Zinc

D. Lead

62. Water's chemical formula is

A. NaA1O2

B. Al2O3

C. CaSiO3

D. H2O

61. Typically, the gas in an electric bulb is

A. Hydrogen

B. Carbon dioxide

C. Nitrogen

D. Oxygen

60. The generic term for washing soda is

A. Calcium Bicarbonate

B. Sodium Carbonate

C. Calcium Carbonate

D. Sodium Bicarbonate

59. The filament used in electric light bulbs is made up of

A. Copper

B. Aluminium

C. Lead

D. Tungsten

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