MCQOPTIONS
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MCQOPTIONS
This section includes 189 Mcqs, each offering curated multiple-choice questions to sharpen your Basic GK knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Insulin was invented by? |
| A. | Eijkman |
| B. | Betting |
| C. | Domagk |
| D. | H. G. khurana |
| Answer» C. Domagk | |
| 2. |
By which instrument the purity of milk is measured? |
| A. | Lactometer |
| B. | manometer |
| C. | Pyrometer |
| D. | Tachometer |
| Answer» B. manometer | |
| 3. |
Who invented the television? |
| A. | Niels Bohr |
| B. | J. Ale. Baird |
| C. | Alexander Fleming |
| D. | Village Well |
| Answer» C. Alexander Fleming | |
| 4. |
Speed of sound is maximum? |
| A. | in air |
| B. | In water |
| C. | in vacuum |
| D. | Steel |
| Answer» E. | |
| 5. |
In which special group all multicellular animals are kept? |
| A. | Metazoa |
| B. | Protozoa |
| C. | Porifera |
| D. | Arthropoda |
| Answer» B. Protozoa | |
| 6. |
Atmospheric pressure gauge is? |
| A. | Barometer |
| B. | Periscope |
| C. | Hydrometer |
| D. | Thermometer |
| Answer» B. Periscope | |
| 7. |
Who discovered the atom bomb? |
| A. | Atohan |
| B. | Albert Einstein |
| C. | Kepler |
| D. | Rutherford |
| Answer» B. Albert Einstein | |
| 8. |
Which of the following is a non-conserved force? |
| A. | force of gravity |
| B. | force of viscosity |
| C. | interatomic force |
| D. | electrostatic force |
| Answer» C. interatomic force | |
| 9. |
The nature of the path traveled by the particle is determined by? |
| A. | by acceleration |
| B. | with velocity |
| C. | by displacement |
| D. | none of the above |
| Answer» E. | |
| 10. |
What is the following is the softest? |
| A. | Alum |
| B. | Diamond |
| C. | Terlium |
| D. | Topaz |
| Answer» C. Terlium | |
| 11. |
What do players use for instant power? |
| A. | Sucrose |
| B. | Vitamin C |
| C. | salt |
| D. | Milk |
| Answer» B. Vitamin C | |
| 12. |
Which gas is used for unnatural ripening of fruits? |
| A. | Ethylene |
| B. | ethane |
| C. | carbon dioxide |
| D. | Acetylene |
| Answer» B. ethane | |
| 13. |
Hypo which is used in photography, chemically called? |
| A. | Silver Bromide |
| B. | sodium thio sulfate |
| C. | sodium phosphate |
| D. | sodium nitrate |
| Answer» C. sodium phosphate | |
| 14. |
What is the smallest unit of a chemical compound? |
| A. | Atomic |
| B. | electron |
| C. | Proton |
| D. | Molecules |
| Answer» E. | |
| 15. |
Gun powder is a mixture of? |
| A. | soil and TNT |
| B. | sulphur, clay and charcoal |
| C. | saltpeter, sulfur and charcoal |
| D. | TNT and charcoal |
| Answer» D. TNT and charcoal | |
| 16. |
Why is sodium stored in kerosene? |
| A. | To maintain in its original form |
| B. | It gets oxidised in air |
| C. | evaporation starts in the air |
| D. | it starts burning in air |
| Answer» C. evaporation starts in the air | |
| 17. |
Which substance is added to make natural rubber hard and bouncy? |
| A. | Petrol Jelly |
| B. | sulfuric acid |
| C. | sulfur |
| D. | Sponge |
| Answer» D. Sponge | |
| 18. |
Which of the following is essentially produced in the fermentation process? |
| A. | ethyl alcohol |
| B. | Methyl alcohol |
| C. | acetic acid |
| D. | yeast |
| Answer» B. Methyl alcohol | |
| 19. |
Which acid is used in making battery? |
| A. | sulfuric acid |
| B. | nitric acid |
| C. | hydrochloric acid |
| D. | acetic acid |
| Answer» B. nitric acid | |
| 20. |
The marshy gas which is produced on decomposition of organic matter and is mostly found in coal mines, is the name of that gas? |
| A. | ethane |
| B. | Methane |
| C. | carbon dioxide |
| D. | carbon monoxide |
| Answer» C. carbon dioxide | |
| 21. |
Filling helium in balloons is considered more useful than hydrogen, because? |
| A. | it is cheap |
| B. | less heavy |
| C. | more flying ability |
| D. | it does not form explosive mixture with air |
| Answer» E. | |
| 22. |
Which element forms the maximum number of compounds with hydrogen? |
| A. | Oxygen |
| B. | Silicon |
| C. | Carbon |
| D. | Nitrogen |
| Answer» D. Nitrogen | |
| 23. |
Which element is found the most in minerals and rocks? |
| A. | Carbon |
| B. | Silicon |
| C. | Hydrogen |
| D. | Boron |
| Answer» B. Silicon | |
| 24. |
Polythene is industrially produced by polymerisation of |
| A. | Methane |
| B. | Acetylene |
| C. | Ethylene |
| D. | Styrene |
| Answer» D. Styrene | |
| 25. |
Vinegar is acidic in nature due to |
| A. | Citric acid |
| B. | sulfuric acid |
| C. | hydrochloric acid |
| D. | acetic acid |
| Answer» E. | |
| 26. |
By which process oil is converted into Vegetable Ghee? |
| A. | Hydrogenation |
| B. | Distillation |
| C. | Oxidation |
| D. | Reduction |
| Answer» B. Distillation | |
| 27. |
Which of the following method is adopted to remove salt from sea water? |
| A. | sublimation |
| B. | Evaporation |
| C. | crystallization |
| D. | distillation |
| Answer» C. crystallization | |
| 28. |
On heating potassium chlorate? |
| A. | Nitrogen gas is released |
| B. | Oxygen gas is released |
| C. | Hydrogen gas is released |
| D. | none of these |
| Answer» C. Hydrogen gas is released | |
| 29. |
Which of the following gas is not present in the atmosphere? |
| A. | Nitrogen |
| B. | Helium |
| C. | Chlorine |
| D. | Krypton |
| Answer» D. Krypton | |
| 30. |
Solute can be separated from solution? |
| A. | filtration |
| B. | evaporation |
| C. | Decantation |
| D. | sedimentation |
| Answer» C. Decantation | |
| 31. |
Which acid is used as a dehydrating agent? |
| A. | hydrochloric acid |
| B. | sulfuric acid |
| C. | acetic acid |
| D. | nitric acid |
| Answer» C. acetic acid | |
| 32. |
Iron pipes, from which water is supplied, are coated with zinc (Zn) to prevent rusting. This layering process is called? |
| A. | Annealing |
| B. | Vulcanization |
| C. | Yashad coating |
| D. | none of these |
| Answer» D. none of these | |
| 33. |
Malnutrition leads to lack of which? |
| A. | Vitamin 'A' |
| B. | Carbohydrate |
| C. | Vitamin 'C' |
| D. | Protein |
| Answer» E. | |
| 34. |
What is a Robot? |
| A. | A type of rocket |
| B. | a bomb |
| C. | A device similar to a human who works according to the order |
| D. | An animal found in the jungles of Africa |
| Answer» D. An animal found in the jungles of Africa | |
| 35. |
What is the main factor of rust in iron? |
| A. | oxygen |
| B. | Hydrogen |
| C. | Nitrogen |
| D. | Neon |
| Answer» B. Hydrogen | |
| 36. |
Image are formed between two parallel mirrors? |
| A. | 2 |
| B. | 4 |
| C. | 8 |
| D. | Eternal |
| Answer» E. | |
| 37. |
Which gas is used to purify pond water in cities? |
| A. | Sulfur dioxide |
| B. | Chlorine |
| C. | Nitrogen |
| D. | Ammonia |
| Answer» C. Nitrogen | |
| 38. |
When a ship enters the sea from a river? |
| A. | rises up |
| B. | falls down |
| C. | There is no change in its level |
| D. | All of the above |
| Answer» B. falls down | |
| 39. |
What is Marble? |
| A. | Shale |
| B. | Neiss |
| C. | Lime Stone |
| D. | Sand Stone |
| Answer» D. Sand Stone | |
| 40. |
Any moving body on earth comes to rest due to the following reason? |
| A. | Due to inertial law |
| B. | due to friction force |
| C. | Due to momentum conservation |
| D. | due to the force of gravity |
| Answer» C. Due to momentum conservation | |
| 41. |
The rolling ball stops itself after rolling away for some reason, which of the following reasons? |
| A. | Frictional force |
| B. | gravity |
| C. | Inertia |
| D. | None of the above |
| Answer» B. gravity | |
| 42. |
What is the reason that the ball bounces higher at a higher place? |
| A. | Because the air pressure is higher at higher places than at the plains |
| B. | Because the atmosphere is sparse at high places, the ball faces less resistance |
| C. | Because the force of gravity is low at high places |
| D. | Because the atmosphere is pure at high places |
| Answer» D. Because the atmosphere is pure at high places | |
| 43. |
Which of the following physical properties is not affected by quantity? |
| A. | Volume |
| B. | mass |
| C. | weight |
| D. | density |
| Answer» E. | |
| 44. |
When sunlight passes through a prism, which of the following colors has the highest refraction? |
| A. | Blue |
| B. | Red |
| C. | Orange |
| D. | Green |
| Answer» B. Red | |
| 45. |
When a man enters a dark room with light, he sees nothing for some time. Later he begins to appear, because? |
| A. | The iris of his eye shrinks |
| B. | The iris of his eye spreads |
| C. | The distance between the lens and retina of his eye increases |
| D. | The length of his eye lens increases |
| Answer» B. The iris of his eye spreads | |
| 46. |
Nichrome metal element is used in electric heaters, because? |
| A. | It has high resistivity |
| B. | Its melting point is high |
| C. | More powerful current can be flow in it |
| D. | For all the above reasons |
| Answer» E. | |
| 47. |
Which of the following electromagnetic waves has the highest wavelength? |
| A. | Ultraviolet rays |
| B. | Sunlight |
| C. | Gamma rays |
| D. | infrared rays |
| Answer» E. | |
| 48. |
Which metal has the highest melting point? |
| A. | Osmium |
| B. | Tungsten |
| C. | Molybdenum |
| D. | aluminum |
| Answer» C. Molybdenum | |
| 49. |
What is the lightest metal? |
| A. | Lithium |
| B. | Iridium |
| C. | aluminum |
| D. | Osmium |
| Answer» B. Iridium | |
| 50. |
When a metal is heated, its density? |
| A. | increases |
| B. | There is no difference |
| C. | decreases |
| D. | None of the above |
| Answer» D. None of the above | |