 
			 
			MCQOPTIONS
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				This section includes 625 Mcqs, each offering curated multiple-choice questions to sharpen your GK knowledge and support exam preparation. Choose a topic below to get started.
| 1. | Trinitrotoluene is | 
| A. | used to melt metals | 
| B. | used to fuse two metals | 
| C. | used as an abrasive | 
| D. | used as an explosive | 
| Answer» E. | |
| 2. | An eudiometer measures | 
| A. | Atmospheric pressure | 
| B. | Time | 
| C. | Volume of gases | 
| D. | Vapour pressure | 
| Answer» D. Vapour pressure | |
| 3. | The largest artery in human body is | 
| A. | Aorta | 
| B. | Capillary | 
| C. | Vena cava | 
| D. | Pulmonary vein | 
| Answer» B. Capillary | |
| 4. | During which of the following operating conditions of an automobile, carbon monoxide content in exhaust gas is maximum? | 
| A. | Acceleration | 
| B. | Cruising | 
| C. | Idle running | 
| D. | Deacceleration | 
| Answer» D. Deacceleration | |
| 5. | The beach sands of Kerala are rich in | 
| A. | Calcium | 
| B. | Radium | 
| C. | Thorium | 
| D. | Manganese | 
| Answer» D. Manganese | |
| 6. | A galvanometer can be converted into a voltmeter by connecting with it a | 
| A. | high resistance in parallel | 
| B. | low resistance on parallel | 
| C. | high resistance on series | 
| D. | low resistance in series | 
| Answer» D. low resistance in series | |
| 7. | Where is urea manufactured? | 
| A. | Gallbladder | 
| B. | Liver | 
| C. | Kidney | 
| D. | Bladder | 
| Answer» C. Kidney | |
| 8. | Plants that grow in salt water are called? | 
| A. | melophytus | 
| B. | Thallophytus | 
| C. | hydrophytes | 
| D. | halophytus | 
| Answer» E. | |
| 9. | Which of the following metals has the highest thermal conductivity? | 
| A. | aluminum | 
| B. | copper | 
| C. | Iron | 
| D. | silver | 
| Answer» E. | |
| 10. | During summer, water kept in an earthen pot becomes cold due to? | 
| A. | Evaporation | 
| B. | Diffusion | 
| C. | Transpiration | 
| D. | osmosis | 
| Answer» B. Diffusion | |
| 11. | Which of the following is that part of the human body, which is responsible for the balance of water- | 
| A. | kidney | 
| B. | Liver | 
| C. | Lungs | 
| D. | heart | 
| Answer» B. Liver | |
| 12. | Plants tissues are of how many types? | 
| A. | 3 | 
| B. | 2 | 
| C. | 5 | 
| D. | 6 | 
| Answer» B. 2 | |
| 13. | The energy released during cellular respiration is stored in _______. | 
| A. | ATP | 
| B. | glucose | 
| C. | lungs | 
| D. | ileum | 
| Answer» B. glucose | |
| 14. | Bleaching powder contains ______ bleaching agent. | 
| A. | Bromine | 
| B. | Iodine | 
| C. | Hydrogen | 
| D. | Chlorine | 
| Answer» E. | |
| 15. | Which of the following metals is in a liquid state at orbital temperature? | 
| A. | Mercury | 
| B. | Tungsten | 
| C. | Lead | 
| D. | Bromine | 
| Answer» B. Tungsten | |
| 16. | Which of the following polymer is obtained on the polymerization of hexamethylene diamine and adipic acid? | 
| A. | Nylon - 6,6 | 
| B. | Terylene | 
| C. | Toluene | 
| D. | Bakelite | 
| Answer» B. Terylene | |
| 17. | Blood group was discovered by - | 
| A. | Karl Landsteiner | 
| B. | Pavlov | 
| C. | Alexander Fleming | 
| D. | William Harvey | 
| Answer» B. Pavlov | |
| 18. | Tobacco Addiction is due to | 
| A. | Cocaine | 
| B. | Caffeine | 
| C. | Nicotine | 
| D. | Histamine | 
| Answer» D. Histamine | |
| 19. | Which statement is correct in the following? | 
| A. | All metals are tensile. | 
| B. | All non-metals are tensile. | 
| C. | Generally metals are tensile. | 
| D. | Some non-metals are tensile. | 
| Answer» D. Some non-metals are tensile. | |
| 20. | Which is not a source of air pollution? | 
| A. | Automobiles | 
| B. | Industries | 
| C. | Solid Waste | 
| D. | Dust Particles | 
| Answer» D. Dust Particles | |
| 21. | Which element is found in the highest amount in the universe? | 
| A. | Helium | 
| B. | oxygen | 
| C. | Hydrogen | 
| D. | Nitrogen | 
| Answer» D. Nitrogen | |
| 22. | Human nails are made of | 
| A. | Pigment | 
| B. | Elastin | 
| C. | Albumin | 
| D. | Keratin | 
| Answer» E. | |
| 23. | Antimatter particles corresponding to electrons are called_____. | 
| A. | Neutrons | 
| B. | Positrons | 
| C. | Protons | 
| D. | Antielectron | 
| Answer» C. Protons | |
| 24. | What is the life span of WBC? | 
| A. | 2-15 days | 
| B. | 3-15 days | 
| C. | 4-15 days | 
| D. | 5-20 days | 
| Answer» B. 3-15 days | |
| 25. | Which of the following has maximum speed? | 
| A. | Air | 
| B. | Water Current | 
| C. | Sound | 
| D. | Light | 
| Answer» E. | |
| 26. | Ozone layer is found in | 
| A. | Thermosphere | 
| B. | Stratosphere | 
| C. | Troposhere | 
| D. | Mesophere | 
| Answer» C. Troposhere | |
| 27. | Renewable source of energy is | 
| A. | Coal | 
| B. | Petroleum | 
| C. | Plants | 
| D. | Uranium | 
| Answer» D. Uranium | |
| 28. | Maximum amount of gas found in air is | 
| A. | Oxygen | 
| B. | Carbon dioxide | 
| C. | Hydrogen | 
| D. | Nitrogen | 
| Answer» E. | |
| 29. | Aim of pulse Polio programme is | 
| A. | Treatment of Polio | 
| B. | Stop paralytic effect of Polio | 
| C. | Complete eradication of Polio | 
| D. | All of these | 
| Answer» D. All of these | |
| 30. | Is Mirchika example? | 
| A. | light reflection | 
| B. | light deflection | 
| C. | light refraction | 
| D. | light scattering | 
| Answer» D. light scattering | |
| 31. | Whose pieces are the magnet protectors? | 
| A. | Nickel | 
| B. | Cobalt | 
| C. | Steel | 
| D. | Soft Iron | 
| Answer» E. | |
| 32. | Is the omnibus blood group? | 
| A. | A | 
| B. | B | 
| C. | AB | 
| D. | O | 
| Answer» D. O | |
| 33. | Why is not all the children of a parent equal? | 
| A. | Genetic variation | 
| B. | Variation of environment | 
| C. | Both of the above | 
| D. | None of these | 
| Answer» D. None of these | |
| 34. | Who discovered the life cycle of malaria parasites in mosquitoes? | 
| A. | Luis Pasteur | 
| B. | Ronald Ross | 
| C. | Charles Darwin | 
| D. | Gregor Medel | 
| Answer» C. Charles Darwin | |
| 35. | Human kidney is the major chemical compound found in | 
| A. | Uric acid | 
| B. | Calcium carbonate | 
| C. | Calcium oxalate | 
| D. | Calcium sulfate | 
| Answer» D. Calcium sulfate | |
| 36. | Cause of irritation caused by mirchi? | 
| A. | Lycopene | 
| B. | Vitamin C | 
| C. | Capsicin | 
| D. | Fiofrin | 
| Answer» D. Fiofrin | |
| 37. | Is there a cell wall? | 
| A. | Permeable | 
| B. | Semipere | 
| C. | Selective permeable | 
| D. | Impermeable | 
| Answer» B. Semipere | |
| 38. | Is air a reliable indicator of pollutants? | 
| A. | Fune and Psycum | 
| B. | Green algae and liververt | 
| C. | Likenes and mosses | 
| D. | Neem and Sea Soak | 
| Answer» D. Neem and Sea Soak | |
| 39. | What is nephron related to? | 
| A. | Liver | 
| B. | Heart | 
| C. | Renal | 
| D. | Stomach | 
| Answer» D. Stomach | |
| 40. | Is the main component of bio-gas? | 
| A. | Methane | 
| B. | Ethan | 
| C. | Propane | 
| D. | Butane | 
| Answer» B. Ethan | |
| 41. | Is the chlorophill helper? | 
| A. | In respiration | 
| B. | In photosynthesis | 
| C. | In emissions | 
| D. | Both A and B | 
| Answer» C. In emissions | |
| 42. | Which of the following statement sits true? | 
| A. | The pyramids of biovolume in the sea are often straight. | 
| B. | The pyramid of the meadow is often counterproductive. | 
| C. | Energy pyramids are always in a standing state. | 
| D. | The energy pyramid is always counterproductive. | 
| Answer» B. The pyramid of the meadow is often counterproductive. | |
| 43. | Celebrate National Science Day in India? | 
| A. | on May 11 | 
| B. | on November 14 | 
| C. | on June 5 | 
| D. | on February 28 | 
| Answer» E. | |
| 44. | The amount of light entering the eye is controlled by which of the following organs? | 
| A. | Conirya | 
| B. | Coroyad | 
| C. | Retina | 
| D. | Iris | 
| Answer» E. | |
| 45. | Who in the following is a gender linked disease? | 
| A. | Leprosy | 
| B. | Tuberculosis | 
| C. | Colourability | 
| D. | Leukaemia | 
| Answer» D. Leukaemia | |
| 46. | Removal of land by the action of air and water is called? | 
| A. | Erosion | 
| B. | Fossil building | 
| C. | Calci Building | 
| D. | Salt Building | 
| Answer» B. Fossil building | |
| 47. | Is there concentration in the eye? | 
| A. | By altering the convex of the lens | 
| B. | Back-and-forth speed of the lens | 
| C. | By the front-and-back motion of the retina | 
| D. | By changing the refractive index of the liquid of the eye | 
| Answer» D. By changing the refractive index of the liquid of the eye | |
| 48. | Is the work of 'Hanley's Loop' related? | 
| A. | From the emission mechanism | 
| B. | by the system of process | 
| C. | From urinary regenerating system | 
| D. | From the nervous system | 
| Answer» B. by the system of process | |
| 49. | Is the major function of bile? | 
| A. | Changes in fat fatty acids and glycerol | 
| B. | Fat changes in fatty acids and glycerol | 
| C. | Emulation of fats ( emulsification ) . | 
| D. | All of the above | 
| Answer» D. All of the above | |
| 50. | Is Psyanocobalamin ? | 
| A. | Vitamin C | 
| B. | Vitamin B2 | 
| C. | Vitamin B6 | 
| D. | Vitamin B12 | 
| Answer» E. | |