998 MCQ Questions in english

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998 MCQ Questions in english हिन्दी

74. Which of the following work as lubricant?

A. Iron Oxide

B. Diamond

C. Silica

D. Graphite

73. Lead tetraethyl is used as

A. Mosquito Repellent

B. Fire Extinguisher

C. Pain Killer

D. Petrol Additive

72. 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

71. 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

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

A. Efflorescence

B. Desiccation

C. Deliquescence

D. Osmosis

69. 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

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

A. Nitrous oxide

B. Methane

C. Hydrogen

D. Carbon dioxide

67. A kilobyte is equivalent to...?

A. 1000 bytes

B. 100 bytes

C. 1024 bytes

D. 1023 bytes

66. What is bromine?

A. Red Liquid

B. Colourless Gas

C. Highly Inflammable Gas

D. Black Solid

65. The material that is the toughest on earth is

A. Iron

B. Gold

C. Platinum

D. Diamond

64. 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

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

A. lymphocytes

B. monocytes

C. blood platelets

D. erythrocytes

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

A. 2

B. 3

C. 5

D. 8

61. An assembler is?

A. Programming language-dependent

B. Syntax dependant

C. Machine dependant

D. Data dependant

60. Professor Guru Dutt Sondhi's name is associated with the establishment of which of the following?

A. Olympic Association of India

B. Asian Games Federation

C. Indian Premier League

D. Indian Badminton League

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

A. 1800s

B. 1880s

C. 1890s

D. 1900s

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

A. Charcoal

B. Silicon

C. Phosphorous

D. Graphite

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

A. Mercury

B. Tin

C. Zinc

D. Lead

56. Water's chemical formula is

A. NaA1O2

B. Al2O3

C. CaSiO3

D. H2O

55. Typically, the gas in an electric bulb is

A. Hydrogen

B. Carbon dioxide

C. Nitrogen

D. Oxygen

54. The generic term for washing soda is

A. Calcium Bicarbonate

B. Sodium Carbonate

C. Calcium Carbonate

D. Sodium Bicarbonate

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

A. Copper

B. Aluminium

C. Lead

D. Tungsten

52. The name of the tree that roots from its branches into the ground is:

A. Oak

B. Pine

C. Banyan

D. Palm

51. Which of the following sports is associated with the phrases birdie and eagle?

A. Polo

B. Golf

C. Chess

D. Billiards

50. Which of the following gases causes brass to tarnish in the presence of air?

A. Carbon dioxide

B. Hydrogen Sulphide

C. Oxygen

D. Nitrogen

49. Which of the following is a liquid non-metal at normal temperature?

A. Bromine

B. Chlorine

C. Phosphorous

D. Helium

48. A naturally occurring chelate complex with a core metal is called chlorophyll?

A. Iron

B. Copper

C. Magnesium

D. Calcium

47. Which of the following is a non-volatile memory example?

A. Cache memory

B. RAM

C. ROM

D. None of the above

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