MCQOPTIONS
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MCQOPTIONS
This section includes 82 Mcqs, each offering curated multiple-choice questions to sharpen your GENERAL SCIENCE knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Refrigerators have a relay? |
| A. | Magnetic type |
| B. | by simple switch |
| C. | Non-magnetic |
| D. | All of the above |
| Answer» B. by simple switch | |
| 2. |
Which of the following hitting methods has the highest power factor? |
| A. | heating resistance |
| B. | induction heating |
| C. | Arc heating |
| D. | Dielectric heating |
| Answer» B. induction heating | |
| 3. |
Most commonly used motor in motor generator sets of high capacity? |
| A. | Cage Model Induction Motor |
| B. | synchronous motor |
| C. | DC Compounder Motor |
| D. | None of the above |
| Answer» C. DC Compounder Motor | |
| 4. |
Capacitors are fitted to increase the power coefficient? |
| A. | parallel to the supply |
| B. | By putting resistance to supply |
| C. | In the supply chain |
| D. | None of these |
| Answer» B. By putting resistance to supply | |
| 5. |
Solder wire is made? |
| A. | Land and tin |
| B. | Zinc and copper |
| C. | copper and lead |
| D. | None of these |
| Answer» B. Zinc and copper | |
| 6. |
Who is called 'Oran'? |
| A. | sacred plant |
| B. | Sacred animal |
| C. | to the holy mountain |
| D. | to the sacred forest |
| Answer» E. | |
| 7. |
What are the plants that grow in alkaline soil called? |
| A. | Xerophyte |
| B. | Mezophyte |
| C. | Hydrophyte |
| D. | Halophyte |
| Answer» E. | |
| 8. |
Who is related to World Biodiversity Conservation? |
| A. | Nagoya Protocol |
| B. | Tokyo Protocol |
| C. | Geneva Protocol |
| D. | Singapore Protocol |
| Answer» B. Tokyo Protocol | |
| 9. |
What percentage of land has been set by the United Nations for the conservation of biodiversity? |
| A. | 7 |
| B. | 17 |
| C. | 25 |
| D. | 33 |
| Answer» C. 25 | |
| 10. |
Who is included in the endangered plant species of India? |
| A. | Mango |
| B. | rosewood |
| C. | Teak |
| D. | sandalwood |
| Answer» E. | |
| 11. |
What are the dense evergreen forests of the Western Ghats called? |
| A. | Aranyaka |
| B. | Sola |
| C. | Tega |
| D. | Selva |
| Answer» C. Tega | |
| 12. |
Where is the greatest diversity of flora and fauna found in India? |
| A. | Eastern Ghats |
| B. | Aravali |
| C. | Western Himalayas |
| D. | Western Ghats |
| Answer» E. | |
| 13. |
What causes water pollution? |
| A. | by the addition of salts |
| B. | Industrial extracts |
| C. | by the destruction of the body of aquatic animals |
| D. | by rain |
| Answer» C. by the destruction of the body of aquatic animals | |
| 14. |
Where is Kaziranga National Park located? |
| A. | Uttarakhand |
| B. | Assam |
| C. | Arunachal Pradesh |
| D. | Nagaland |
| Answer» C. Arunachal Pradesh | |
| 15. |
Who is most responsible for world climate change? |
| A. | Increase of Green House Gases |
| B. | lack of rain |
| C. | nuclear weapons |
| D. | Population growth |
| Answer» B. lack of rain | |
| 16. |
Which is an atmospheric pollutant gas? |
| A. | Sulfur dioxide |
| B. | Oxygen |
| C. | ozone |
| D. | Nitrogen |
| Answer» B. Oxygen | |
| 17. |
Which gas contributes the most to greenhouse gases? |
| A. | CFSs |
| B. | carbon dioxide |
| C. | nitrous oxide |
| D. | Methane |
| Answer» C. nitrous oxide | |
| 18. |
What is the major source of emission of carbon dioxide? |
| A. | fossil fuel combustion |
| B. | respiration of animals |
| C. | Volcanic action |
| D. | marshy lands |
| Answer» B. respiration of animals | |
| 19. |
What are the shortest living greenhouse gases? |
| A. | CFSs |
| B. | carbon dioxide |
| C. | Methane |
| D. | nitrous oxide |
| Answer» D. nitrous oxide | |
| 20. |
Which has the longest lifetime among greenhouse gases? |
| A. | carbon dioxide |
| B. | nitrous oxide |
| C. | Methane |
| D. | CFSs |
| Answer» C. Methane | |
| 21. |
Which industry emits maximum nitrous oxide gas? |
| A. | Nylon |
| B. | Cement |
| C. | cloth |
| D. | paper |
| Answer» B. Cement | |
| 22. |
What is the natural source of nitrous oxide gas? |
| A. | desert soils |
| B. | cold tropical soils |
| C. | Temperate soils |
| D. | Tropical soils |
| Answer» E. | |
| 23. |
What is formed by chemical reaction only? |
| A. | Methane |
| B. | CFSs |
| C. | carbon dioxide |
| D. | nitrous oxide |
| Answer» C. carbon dioxide | |
| 24. |
What is the biggest threat to the survival of the living beings present on the earth? |
| A. | Radiation |
| B. | Desertification |
| C. | Deforestation |
| D. | Glaciation |
| Answer» D. Glaciation | |
| 25. |
Copenhagen is the capital of which country? |
| A. | Denmark |
| B. | Finland |
| C. | Netherlands |
| D. | Norway |
| Answer» B. Finland | |
| 26. |
How does forest help in controlling drought? |
| A. | Forests prevent soil erosion. |
| B. | Rainfall comes from forests. |
| C. | Many aquatic plants are found in forests. |
| D. | Forests act as water cover. |
| Answer» C. Many aquatic plants are found in forests. | |
| 27. |
What is the proper sequence of the food chain in organisms? |
| A. | Grass Wolf Deer Serpent |
| B. | Bacterial Grass Rabbit Wolf |
| C. | Grass Insect-bird Snake |
| D. | Grass Insect Deer Snake |
| Answer» D. Grass Insect Deer Snake | |
| 28. |
Which of the following is an independent nitrogen-fixing bacterium present in the soil? |
| A. | Azotobacter |
| B. | Nitrosomonas |
| C. | Rhizobium |
| D. | Pseudomonas |
| Answer» B. Nitrosomonas | |
| 29. |
What is ASTROSAT? |
| A. | A recently discovered fast-moving planet |
| B. | astronomical satellites |
| C. | an asteroid (ASTERIOD) |
| D. | Airplane for meteorological study |
| Answer» D. Airplane for meteorological study | |
| 30. |
What substance dissolves in Tears? |
| A. | Common salt |
| B. | sea |
| C. | strach |
| D. | Glucose |
| Answer» B. sea | |
| 31. |
Rust on iron? |
| A. | ferric oxide |
| B. | Hydrated ferrous and ferric oxide |
| C. | Alkali ferrous and ferric carbonate |
| D. | Because of all of the above |
| Answer» E. | |
| 32. |
Was Insuline Discovered? |
| A. | Bentig |
| B. | Domake |
| C. | Ronald Ross |
| D. | Harvey |
| Answer» B. Domake | |
| 33. |
Vegetable oils are converted into ghee? |
| A. | Heat treatment |
| B. | hydrogenation |
| C. | oxygen |
| D. | by enzymes |
| Answer» C. oxygen | |
| 34. |
Which one of the following is an alloy? |
| A. | Zinc |
| B. | Steel |
| C. | lead |
| D. | aluminum |
| Answer» C. lead | |
| 35. |
Which of the following is not a fuel gas? |
| A. | Water gas |
| B. | Producer gas |
| C. | Laughing gas |
| D. | Marsh gas |
| Answer» D. Marsh gas | |
| 36. |
Which of the following elements forms strong alkaline oxides when ignited in oxygen? |
| A. | Phosphorus |
| B. | sodium |
| C. | Iron |
| D. | Sulfur |
| Answer» C. Iron | |
| 37. |
What is Fathom? |
| A. | is a fish |
| B. | Name of a plant is |
| C. | A vessel is called |
| D. | is a measure |
| Answer» E. | |
| 38. |
Richter Scale is used in measuring? |
| A. | Earthquake intensity |
| B. | Wind speed |
| C. | Depth of sea |
| D. | Body temperature |
| Answer» B. Wind speed | |
| 39. |
Who among the following are the inventors of dynamite? |
| A. | Einstein |
| B. | Newton |
| C. | Alfred Nobel |
| D. | Madame Curie |
| Answer» D. Madame Curie | |
| 40. |
Is the plaster of Paris obtained? |
| A. | sodium bicarbonate |
| B. | Gypsum |
| C. | Urea |
| D. | Carbon |
| Answer» C. Urea | |
| 41. |
What type of waves are there in Radar? |
| A. | electric waves |
| B. | electromagnetic waves |
| C. | Sound waves |
| D. | None of the above |
| Answer» C. Sound waves | |
| 42. |
The main reason why the sky appears blue? |
| A. | Sunlight is blue |
| B. | Scattering of solar rays by particles of dust etc. present in the atmosphere |
| C. | light reflection |
| D. | light refraction |
| Answer» C. light reflection | |
| 43. |
A high speed vehicle honks, so its pitch? |
| A. | is heard as much |
| B. | more audible |
| C. | hearing impaired |
| D. | First less and then more |
| Answer» C. hearing impaired | |
| 44. |
Can the difference between cotton and woolly fibers be found? |
| A. | touching |
| B. | Torches |
| C. | reacting with NaOH |
| D. | Taking action with H.S.O. |
| Answer» C. reacting with NaOH | |
| 45. |
His melting point increasing the pressure on ice? |
| A. | will decrease |
| B. | will increase |
| C. | will be zero |
| D. | will remain unchanged |
| Answer» B. will increase | |
| 46. |
Why are white dresses worn in summer? |
| A. | Bad absorbers of heat are |
| B. | are cheap |
| C. | are attractive |
| D. | None of these |
| Answer» B. are cheap | |
| 47. |
What of the following statements is incorrect? |
| A. | Iron sinks in water |
| B. | Wood floats on water |
| C. | Mercury floats on water |
| D. | Iron floats in mercury |
| Answer» D. Iron floats in mercury | |
| 48. |
Which vitamin is high in orange? |
| A. | D |
| B. | A |
| C. | C |
| D. | B |
| Answer» D. B | |
| 49. |
Who discovered the theory of relativity? |
| A. | Einstein |
| B. | Edison |
| C. | Khurana |
| D. | Newton |
| Answer» B. Edison | |
| 50. |
Who invented the printing press? |
| A. | William Caxton |
| B. | Robot Watson |
| C. | R ntgen |
| D. | Karl Benz |
| Answer» B. Robot Watson | |