MCQOPTIONS
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MCQOPTIONS
This section includes 1315 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Which properties are characteristic of the group 1 metals? |
| A. | Low melting points |
| B. | Produce hydrogen when react with water |
| C. | Soft in nature |
| D. | All of the above |
| Answer» E. | |
| 52. |
Which process usually requires water? |
| A. | Physical weathering |
| B. | Mass wasting |
| C. | Chemical weathering |
| D. | Erosion |
| Answer» D. Erosion | |
| 53. |
Which process is not associated with mechanical weathering? |
| A. | reactions with oxygen |
| B. | frost wedging |
| C. | biological oxygen activity |
| D. | unloading |
| Answer» B. frost wedging | |
| 54. |
Which process is a chemical change? |
| A. | Burning gasoline |
| B. | Boiling water |
| C. | Evaporating water |
| D. | Melting ice |
| Answer» B. Boiling water | |
| 55. |
Which process forms exfoliation domes? |
| A. | biological activity |
| B. | frost wedging |
| C. | unloading |
| D. | reactions with oxygen |
| Answer» E. | |
| 56. |
Which path through the carbon cycle is possible? |
| A. | Animal ----> Plant ----> Atmosphere |
| B. | Plant ----> Animal ----> Atmosphere |
| C. | Atmosphere ----> Plant ----> Animal |
| D. | Plant ----> Atmosphere -----> Animal |
| Answer» C. Atmosphere ----> Plant ----> Animal | |
| 57. |
Which pair of atoms has the highest electronegativity difference?_x005F_x000D_ Â _x005F_x000D_ (Calcium's electronegativity is 1.0 _x005F_x000D_ Fluorine's electronegativity is 4.0 _x005F_x000D_ Hydrogen's electronegativity is 2.2 _x005F_x000D_ Sodium's electronegativity is 0.93) |
| A. | F-F |
| B. | Ca-F |
| C. | H-F |
| D. | Na-F |
| Answer» E. | |
| 58. |
Which one of the following triad represents Dobereiner's Triad? |
| A. | Li, Na, K |
| B. | Na, Sr, Br |
| C. | Li, K, Na |
| D. | Li, Ca, C1 |
| Answer» B. Na, Sr, Br | |
| 59. |
Which one of the followingis notan allotrope of carbon? |
| A. | Coal |
| B. | Diamond |
| C. | Graphite |
| D. | Graphene |
| Answer» B. Diamond | |
| 60. |
Which one of the following statements would be INCORRECT to use?_x005F_x000D_ |
| A. | An atom of a compound |
| B. | A mole of an element |
| C. | A mole of a compound |
| D. | An atom of an element |
| Answer» B. A mole of an element | |
| 61. |
Which one of the following statements regarding histone proteins is correct? |
| A. | Histones are proteins that are present in mitochondrial membrane |
| B. | Histones are proteins that are present in nucleus in association with DNA |
| C. | Histones are proteins associated with lipids in the cytosol |
| D. | Histones are proteins associated with carbohydrates in the cytosol |
| Answer» C. Histones are proteins associated with lipids in the cytosol | |
| 62. |
Which one of the following oxides of Nitrogen is also known as Laughing Gas? |
| A. | NO2 |
| B. | N2O5 |
| C. | NO |
| D. | N2O |
| Answer» E. | |
| 63. |
Which one of the following orders presents the correct sequence of the increasing basic nature of the given oxides?_x005F_x000D_
(1)Â K2O |
| A. | Option 1 |
| B. | Option 2 |
| C. | Option 3 |
| D. | Option 4 |
| Answer» C. Option 3 | |
| 64. |
Which one of the following nonÂmetals shows allotropy in the liquid state? |
| A. | Carbon |
| B. | Sulphur |
| C. | Phosphorous |
| D. | Bromine |
| Answer» C. Phosphorous | |
| 65. |
Which one of the following mixture is homogeneous?_x005F_x000D_ |
| A. | Water and oil |
| B. | Starch and sugar crystals |
| C. | Graphite and charcoal |
| D. | Alloys |
| Answer» E. | |
| 66. |
Which one of the following laws explain the formation of carbon monoxide and carbon dioxide from carbon and oxygen |
| A. | Laws of conservation of mass |
| B. | Laws of multiple proportion |
| C. | Laws of reciprocal proportions |
| D. | Law of definite proportions |
| Answer» C. Laws of reciprocal proportions | |
| 67. |
Which one of the following laws explain the formation of carbon monoxide and carbon dioxide from carbon and oxygen....... |
| A. | Law of conservation of mass |
| B. | Law of multiple proportion |
| C. | Law of reciprocal proportions |
| D. | Law of definite proportions |
| Answer» C. Law of reciprocal proportions | |
| 68. |
Which one of the following laws directly expalins the law of coservation of mass |
| A. | Hund's rule |
| B. | Dalton's law |
| C. | Avogadro's law |
| D. | Berzelius hypothesis |
| Answer» D. Berzelius hypothesis | |
| 69. |
Which one of the following is used to induce artificial rain ? |
| A. | Potassium Nitrate |
| B. | Ammonium chloride |
| C. | Calcium carbonate |
| D. | Silver lodide |
| Answer» E. | |
| 70. |
Which one of the following is the most characteristic property of an element?_x005F_x000D_ |
| A. | Density |
| B. | Boiling point |
| C. | Mass number |
| D. | Atomic number |
| Answer» E. | |
| 71. |
Which one of the following is the correct relation between the Kelvin temperature (T) and the Celsius temperature (fc)? |
| A. | These are two independent temperature scales |
| B. | T = tc |
| C. | T = tc - 273.15 |
| D. | T = tc + 273.15 |
| Answer» E. | |
| 72. |
Which one of the following is not radioactive |
| A. | Astanine |
| B. | Francium |
| C. | Tritium |
| D. | Zirconium |
| Answer» E. | |
| 73. |
Which one of the following is not true for minerals? |
| A. | they can be a liquid, solid, or glass |
| B. | they can be identified by characteristic physical properties |
| C. | they have a specific, internal, crystalline structure |
| D. | they have a specific, predictable chemical composition |
| Answer» B. they can be identified by characteristic physical properties | |
| 74. |
Which one of the following is not a characteristic of a compound? |
| A. | Composition is variable. |
| B. | All particles of compound are of only one type. |
| C. | Particles of compound have two or more elements. |
| D. | Its constituents cannot be separated by simple physical methods. |
| Answer» C. Particles of compound have two or more elements. | |
| 75. |
Which one of the following is not a borderline element? |
| A. | Boron |
| B. | Silicon |
| C. | Polonium |
| D. | Bismuth |
| Answer» E. | |
| 76. |
Which one of the following is lyophilic colloid? |
| A. | Gold sol |
| B. | Smoke |
| C. | Cloud |
| D. | Starch aqueous solution |
| Answer» E. | |
| 77. |
Which one of the following is commonly used for pulp bleaching in the paper industry? |
| A. | Mild sulphuric acid |
| B. | Glucose isomerase |
| C. | peroxide |
| D. | Iodine and water |
| Answer» D. Iodine and water | |
| 78. |
Which one of the following is commonly used as an indicator to measure the exact pH?_x005F_x000D_ |
| A. | Eosin |
| B. | Phenolphthalein |
| C. | Universal indicator |
| D. | Litmus |
| Answer» D. Litmus | |
| 79. |
Which one of the following is an ohmic conductor? |
| A. | Germanium |
| B. | Silicon |
| C. | Carbon |
| D. | Silver |
| Answer» E. | |
| 80. |
Which one of the following is an element? |
| A. | Topaz |
| B. | Rruby |
| C. | Diamond |
| D. | Sapphire |
| Answer» D. Sapphire | |
| 81. |
Which one of the following is a physical change? |
| A. | Burning of coal |
| B. | Burning of wood |
| C. | Heating of a platinum crucible |
| D. | Heating of potassium chlorate |
| Answer» D. Heating of potassium chlorate | |
| 82. |
Which one of the following is an insulator? |
| A. | copper |
| B. | wood |
| C. | mercury |
| D. | aluminium |
| Answer» C. mercury | |
| 83. |
Which one of the following is a good electrical conductor? |
| A. | Graphite |
| B. | Diamond |
| C. | Peat |
| D. | Charcoal |
| Answer» B. Diamond | |
| 84. |
Which one of the following is a natural colloid ? |
| A. | Cane sugar solution |
| B. | Blood |
| C. | Sodium chloride solution |
| D. | Urea solution |
| Answer» C. Sodium chloride solution | |
| 85. |
Which one of the following is a cation? |
| A. | Carbonate |
| B. | Nitrate |
| C. | Ammonium |
| D. | Hydroxide |
| Answer» D. Hydroxide | |
| 86. |
Which one of the following gases dissolves in water to give acidic solution? |
| A. | Carbon dioxide |
| B. | Oxygen |
| C. | Nitrogen |
| D. | Hydrogen |
| Answer» B. Oxygen | |
| 87. |
Which one of the following is a bad Thermal Conductor? |
| A. | Aluminium |
| B. | Copper |
| C. | Glass |
| D. | Silver |
| Answer» D. Silver | |
| 88. |
Which one of the following forms of phosphorus is most reactive? |
| A. | Black phosphorus |
| B. | White phosphorus |
| C. | Violet phosphorus |
| D. | Red phosphorus |
| Answer» C. Violet phosphorus | |
| 89. |
Which one of the following elements will be an isobar of calcium if the atomic number of calcium is 20 and its mass number is 40?_x005F_x000D_ |
| A. | Element with 18 neutrons and 20 protons |
| B. | Element with 19 neutrons and 18 protons |
| C. | Element with 19 neutrons and 20 protons |
| D. | Element with 18 neutrons and 22 neutrons |
| Answer» E. | |
| 90. |
Which one of the following elements is used as a timekeeper in atomic clocks? |
| A. | Potassium |
| B. | Caesium |
| C. | Calcium |
| D. | Magnesium |
| Answer» C. Calcium | |
| 91. |
Which one of the following elements is the poorest conductor of heat |
| A. | sodium |
| B. | lead |
| C. | zinc |
| D. | mercury |
| Answer» C. zinc | |
| 92. |
Which one of the following elements is polyatomic? |
| A. | Oxygen |
| B. | Argon |
| C. | Sulphur |
| D. | Sodium |
| Answer» D. Sodium | |
| 93. |
Which one of the following elements is essential for the formation of chlorophyll in green plants? |
| A. | Calcium |
| B. | Iron |
| C. | Magnesium |
| D. | Potassium |
| Answer» D. Potassium | |
| 94. |
Which one of the following elements is a transition element? |
| A. | H |
| B. | As |
| C. | Fe |
| D. | Sr |
| Answer» D. Sr | |
| 95. |
Which one of the following elements does not form solid hydrogen carbonate? |
| A. | Sodium |
| B. | Potassium |
| C. | Caesium |
| D. | Lithium |
| Answer» E. | |
| 96. |
Which one of the following elements has the lowest atomic mass? |
| A. | Lithium |
| B. | Nitrogen |
| C. | Hydrogen |
| D. | Helium |
| Answer» D. Helium | |
| 97. |
Which one of the following elements cannot be detected by "Lassaigne's test"? |
| A. | I |
| B. | Cl |
| C. | S |
| D. | F |
| Answer» E. | |
| 98. |
Which one of the following cell organelles mainly functions as storehouse of digestive enzymes? |
| A. | Desmosome |
| B. | Ribosome |
| C. | Lysosome |
| D. | Vacuoles |
| Answer» D. Vacuoles | |
| 99. |
Which one of the following can be used to confirm wether drinking water contains a gamma emitting isotope or not |
| A. | Microscope |
| B. | Scintillation counter |
| C. | Lead plate |
| D. | pectrophotometer |
| Answer» C. Lead plate | |
| 100. |
Which one of the following can be oxidised to the corresponding carbonyl compound: |
| A. | 2-methyl-2-hydroxy propane |
| B. | 2-hydroxy propane |
| C. | o-Nitrophenol |
| D. | Phenol |
| Answer» C. o-Nitrophenol | |