MCQOPTIONS
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MCQOPTIONS
This section includes 621 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge (GK) knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
The technique of calculating the age of fossil organisms is - |
| A. | Radiocarbon dating |
| B. | Electroporation |
| C. | Counting the annual rings |
| D. | Micromanipulation |
| Answer» B. Electroporation | |
| 52. |
What do you understand by the term Espuma? |
| A. | Foam |
| B. | Soap |
| C. | Salt |
| D. | Calcium |
| Answer» B. Soap | |
| 53. |
What is the second largest cornponent in milk? |
| A. | Fat |
| B. | Minerals |
| C. | Water |
| D. | Sugar |
| Answer» B. Minerals | |
| 54. |
Amniocentesis is a technique used - |
| A. | to determine the sex of fetus |
| B. | to test of amino acid |
| C. | to test brain |
| D. | None of the above |
| Answer» B. to test of amino acid | |
| 55. |
Consider the following and select the right option. |
| A. | Stomach - Hydrochloric acid |
| B. | Ant - formic acid |
| C. | Both are right |
| D. | Both are wrong |
| Answer» D. Both are wrong | |
| 56. |
Which one is not metal? |
| A. | sulphar |
| B. | sugar |
| C. | nitrogen |
| D. | all |
| Answer» E. | |
| 57. |
Air is - |
| A. | Compound |
| B. | Element |
| C. | Mixture |
| D. | Solution |
| Answer» D. Solution | |
| 58. |
Atomic themy of matter was given by |
| A. | Avogadro |
| B. | Dalton |
| C. | Newton |
| D. | Pascal |
| Answer» C. Newton | |
| 59. |
Which is also called Stranger Gas? |
| A. | Xenon |
| B. | Neon |
| C. | Argon |
| D. | Nitrous oxide |
| Answer» B. Neon | |
| 60. |
Which one of the following is an example of a gel? |
| A. | Cheese |
| B. | Milk |
| C. | Face cream |
| D. | Shaving cream |
| Answer» D. Shaving cream | |
| 61. |
The unit to measure the flow of water is - |
| A. | Micro Mho |
| B. | Ohm meter |
| C. | Milli curie |
| D. | Cusecs |
| Answer» E. | |
| 62. |
NaCI has . |
| A. | Non-polar bonds |
| B. | Polar covalent bonds |
| C. | Metallic bonds |
| D. | Ionic bonds |
| Answer» E. | |
| 63. |
Whatis Zeolite? |
| A. | Hydrated Aluminosilicate |
| B. | Hydrated Calcium Sulphate |
| C. | Dehydrated Aluminosilicate |
| D. | Dehydrated Calcium Sulphate |
| Answer» B. Hydrated Calcium Sulphate | |
| 64. |
Silica gel is a - |
| A. | moisturizer |
| B. | flavouring agent |
| C. | drying agent |
| D. | delicious food |
| Answer» D. delicious food | |
| 65. |
Acids generate: |
| A. | Acids generate hydrogen ions. |
| B. | Bases generate hydroxide ions. |
| C. | Both are correct |
| D. | Both are incorrect |
| Answer» D. Both are incorrect | |
| 66. |
Nylon threads are made of - |
| A. | Polyester polymer |
| B. | Polyamide polymer |
| C. | Polyvinyl polymer |
| D. | Polysaccharide |
| Answer» C. Polyvinyl polymer | |
| 67. |
Calcium salts used as fertilizer is |
| A. | Calcium Carbide |
| B. | Calcium Carbonate |
| C. | Calcium Cyanide |
| D. | Calcium Sulphate |
| Answer» E. | |
| 68. |
Which one of the following statements is not correct? Vulcanisation of rubber makes it - |
| A. | soft and flexible |
| B. | strong and hard |
| C. | chemical resistant |
| D. | withstand higher temperatures |
| Answer» B. strong and hard | |
| 69. |
Which one of the following noble gases is not found in the atmosphere? |
| A. | Argon |
| B. | Krypton |
| C. | Radon |
| D. | Xenon |
| Answer» D. Xenon | |
| 70. |
Which acid is used in rubber, textile, leather and electroplating industries? |
| A. | Ethanoic acid |
| B. | Methanoic acid |
| C. | Malanic acid |
| D. | Butairic acid |
| Answer» C. Malanic acid | |
| 71. |
Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid? |
| A. | Methylene blue |
| B. | Methyl red |
| C. | Phenolphthaline |
| D. | Methyl orange |
| Answer» E. | |
| 72. |
Acetic acid is know as - |
| A. | Caustic soda |
| B. | Spirit |
| C. | Baking soda |
| D. | Vinegar |
| Answer» E. | |
| 73. |
Which of the following is biode- gradable? |
| A. | Paper |
| B. | D.D.T. |
| C. | Aluminium |
| D. | Plastic |
| Answer» B. D.D.T. | |
| 74. |
The reaction between an acid and a base to give a salt and water is known as a - |
| A. | Neutralisation reaction |
| B. | Reduction reaction |
| C. | Oxidation reaction |
| D. | Exothermic reaction |
| Answer» B. Reduction reaction | |
| 75. |
Which one of the following nonmetals shows allotropy in the liguid state? |
| A. | Carbon |
| B. | Sulphur |
| C. | Phosphorous |
| D. | Bromine |
| Answer» C. Phosphorous | |
| 76. |
Commercial nitric acid is coloured because it contains dissolved |
| A. | Oxygen |
| B. | Nitrous oxide |
| C. | Nitrogen dioxide |
| D. | Coloured impurities |
| Answer» D. Coloured impurities | |
| 77. |
Compound having tetrahedral structure is . |
| A. | C2H4 |
| B. | C2H2 |
| C. | CH4 |
| D. | None of these |
| Answer» D. None of these | |
| 78. |
which is stable com- pound. This causes oxygen starvation in the body tissues and eventually causes death by suffocation.ammonium phosphate. |
| A. | N4H6PO4 |
| B. | (NH4)3PO |
| C. | (NH4)3PO4 |
| D. | (NH4)2PO4 |
| Answer» D. (NH4)2PO4 | |
| 79. |
What is a Bakelite? |
| A. | Solution |
| B. | Acid |
| C. | Base |
| D. | Polymer |
| Answer» E. | |
| 80. |
Which one of the following metals is used to galvanise iron? |
| A. | Copper |
| B. | Lead |
| C. | Zinc |
| D. | Mercury |
| Answer» D. Mercury | |
| 81. |
Which among the following is a carbohydrate? |
| A. | Nylon |
| B. | Cane-sugar |
| C. | Turpentine |
| D. | Hydrogen peroxide |
| Answer» C. Turpentine | |
| 82. |
Which of the following is present in Nail polish remover? |
| A. | Citric acid |
| B. | Acetone |
| C. | Ethylene |
| D. | Benzene |
| Answer» C. Ethylene | |
| 83. |
Malathion is a/an - |
| A. | insecticide |
| B. | fumigant |
| C. | preservative |
| D. | pesticide |
| Answer» B. fumigant | |
| 84. |
Zn + 2 HCl = H2 + ZnCl, is an example of which type of reaction? |
| A. | Double displacement reaction |
| B. | Combination reaction |
| C. | Single displacement reaction |
| D. | Decomposition reaction |
| Answer» D. Decomposition reaction | |
| 85. |
Ginger is an example of - |
| A. | Modified Node |
| B. | Modified Root |
| C. | Modified Stem |
| D. | Tap Root |
| Answer» D. Tap Root | |
| 86. |
Silicon is an example of - |
| A. | A metal |
| B. | A non- metal |
| C. | A metalloid |
| D. | Both (2) and (3) |
| Answer» D. Both (2) and (3) | |
| 87. |
Bakelite is a copolymer of Phenol and - |
| A. | Formaldehyde |
| B. | Acetaldehyde |
| C. | Benzaldehyde |
| D. | Cinnaldehyde |
| Answer» B. Acetaldehyde | |
| 88. |
Bauxite is an alloy of which of the following metals? |
| A. | Aluminium |
| B. | Silver |
| C. | Tin |
| D. | Iron |
| Answer» B. Silver | |
| 89. |
Which of the following metals are present in hemoglobin and chlorophyll, respectively? |
| A. | Fe and Mg |
| B. | Fe and Zn |
| C. | Mg and Zn |
| D. | Zn and Mg |
| Answer» B. Fe and Zn | |
| 90. |
CuO + H2 = Cu + H2O. This equation is an example of - |
| A. | Oxidation |
| B. | Decomposition |
| C. | Reduction |
| D. | Redox |
| Answer» E. | |
| 91. |
The drug 'Marijuana' is a |
| A. | sedative |
| B. | mental stimulant |
| C. | hallucinating substance |
| D. | tranquillizer |
| Answer» B. mental stimulant | |
| 92. |
An example of semiconductor is - |
| A. | German silver |
| B. | Germanium |
| C. | Phosphorous |
| D. | Arsenic |
| Answer» C. Phosphorous | |
| 93. |
Nail polish remover contains? |
| A. | Benzene |
| B. | acetic acid |
| C. | acetone |
| D. | petroleum ether |
| Answer» D. petroleum ether | |
| 94. |
Bromine is- |
| A. | Colorless gas insoluble in water |
| B. | A highly inflammable gas |
| C. | A Black solid |
| D. | A red liquid |
| Answer» E. | |
| 95. |
Which is not a type of elements? |
| A. | Metals |
| B. | Non Metals |
| C. | Metalloids |
| D. | Gases |
| Answer» D. Gases | |
| 96. |
Electrons in the highest energy level of an atom are called . |
| A. | valence protons |
| B. | orbital protons |
| C. | valence electrons |
| D. | orbital electrons |
| Answer» D. orbital electrons | |
| 97. |
The nuclear particles which are assumed to hold the nucleons together are - |
| A. | positrons |
| B. | neutrons |
| C. | electrons |
| D. | mesons |
| Answer» E. | |
| 98. |
Milk of magnesia is a suspension of |
| A. | magnesium sulphate |
| B. | magnesium carbonate |
| C. | magnesium hydroxide |
| D. | magnesium Chloride |
| Answer» D. magnesium Chloride | |
| 99. |
Minamata disease is a nervous disorder caused by eating fish, polluted with |
| A. | Iron |
| B. | Lead |
| C. | Mercury |
| D. | Nickel |
| Answer» D. Nickel | |
| 100. |
Which of the following is used to denature ethanol? |
| A. | Methyl alcohol |
| B. | Propyl alcohol |
| C. | Phenol |
| D. | Methane |
| Answer» B. Propyl alcohol | |