MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Why are insects able to walk on the surface of the water? |
| A. | insects can swim on water |
| B. | of Archimedes |
| C. | Insects are underweight |
| D. | Surface tension makes the surface behave as an elastic membrane. |
| Answer» E. | |
| 2. |
Which one of the following deviates from the electric field? |
| A. | gamma rays |
| B. | neutron |
| C. | alpha rays |
| D. | X-ray |
| Answer» D. X-ray | |
| 3. |
Which element is common to all acids? |
| A. | Carbon |
| B. | sulfur |
| C. | hydrogen |
| D. | oxygen |
| Answer» D. oxygen | |
| 4. |
What is the basis of rocket propulsion? |
| A. | गति के 3 कानून |
| B. | law of conservation of linear momentum |
| C. | law of conservation of angular momentum |
| D. | law of conservation of energy |
| Answer» C. law of conservation of angular momentum | |
| 5. |
What is the friction force? |
| A. | non-conservative force |
| B. | constant force |
| C. | conservative force |
| D. | gravitational force |
| Answer» B. constant force | |
| 6. |
Which of the following has the highest penetration power? |
| A. | beta particles |
| B. | gamma-particles |
| C. | alpha particles |
| D. | X-ray |
| Answer» C. alpha particles | |
| 7. |
Why do the hairs of a shaving brush stick together when the brush is removed from the water? |
| A. | elasticity |
| B. | confrontation |
| C. | viscosity |
| D. | surface tension |
| Answer» E. | |
| 8. |
Which of the following is the weakest force? |
| A. | electromagnetic force |
| B. | nuclear power |
| C. | gravitational force |
| D. | electrostatic force |
| Answer» D. electrostatic force | |
| 9. |
Which of the following elements is not abundantly present in the earth's crust? |
| A. | Silicon |
| B. | aluminum |
| C. | Carbon |
| D. | radium |
| Answer» C. Carbon | |
| 10. |
Who gave the first proof of the Big Bang theory? |
| A. | Stephen Hawking |
| B. | S Chandrashekhar |
| C. | Edwin Hubble |
| D. | Albert Einstein |
| Answer» D. Albert Einstein | |
| 11. |
How does a sphygmomanometer measure blood pressure? |
| A. | Statically |
| B. | in mixed form |
| C. | dynamic |
| D. | all of these |
| Answer» D. all of these | |
| 12. |
How many bones are in the human foot? |
| A. | 27 हड्डियों |
| B. | 21 हड्डियों |
| C. | 26 हड्डियों |
| D. | 20 हड्डियों |
| Answer» D. 20 हड्डियों | |
| 13. |
What is the velocity required to get rid of the Earth's gravitational field called? |
| A. | non conventional |
| B. | Earth |
| C. | escape velocity |
| D. | Wait |
| Answer» D. Wait | |
| 14. |
Which among the following rays has a shortest wavelength? |
| A. | gamma rays |
| B. | x rays |
| C. | cosmic rays |
| D. | ultraviolet rays |
| Answer» B. x rays | |
| 15. |
Which of the following is used to determine the age of human fossils? |
| A. | softness of the fossil |
| B. | Radiocarbon dating |
| C. | Density Determination of Fossils |
| D. | fossil water content |
| Answer» C. Density Determination of Fossils | |
| 16. |
Which is electromagnetic wave? |
| A. | Microwave |
| B. | sound wave |
| C. | both radio and sound |
| D. | radio waves |
| Answer» D. radio waves | |
| 17. |
What is the phenomenon of wave passing from one medium to another called? |
| A. | refraction |
| B. | Transmission |
| C. | diffraction |
| D. | Reflection |
| Answer» B. Transmission | |
| 18. |
Which of the following is not an amorphous substance? |
| A. | polymer |
| B. | Rubber |
| C. | glass |
| D. | Copper |
| Answer» E. | |
| 19. |
What is a solid irregular arrangement of molecules called? |
| A. | polymeric |
| B. | amorphous |
| C. | crystalline |
| D. | Ideal |
| Answer» C. crystalline | |
| 20. |
What is the cryogenic engine related to? |
| A. | frost free fridge |
| B. | rocket technology |
| C. | Washing machine |
| D. | sub marine propulsion |
| Answer» C. Washing machine | |
| 21. |
What is 'Ascorbic Acid'? |
| A. | vitamin D |
| B. | vitamin C |
| C. | Vitamin A |
| D. | Vitamin B |
| Answer» C. Vitamin A | |
| 22. |
Why does a man jump higher on the Moon than on Earth? |
| A. | small values of g on earth |
| B. | maximum value of g on earth |
| C. | maximum value of g on the moon |
| D. | small values of g on the moon |
| Answer» E. | |
| 23. |
Which one is not produced by sound waves in air? |
| A. | polarization |
| B. | diffraction |
| C. | refraction |
| D. | Reflection |
| Answer» B. diffraction | |
| 24. |
Which of the following is an example of a non-conservative force? |
| A. | magnetic force |
| B. | Electric force |
| C. | gravitational force |
| D. | Frictional force |
| Answer» E. | |
| 25. |
Why can there be an error in a measurement? |
| A. | faulty equipment |
| B. | unfair method |
| C. | Negligence |
| D. | all of the above |
| Answer» E. | |
| 26. |
How can biomass be converted into fuel? |
| A. | direct combustion |
| B. | Both |
| C. | fermentation |
| D. | none of these |
| Answer» C. fermentation | |
| 27. |
What is the time taken by light to cover a distance from the moon to the earth? |
| A. | 1 मिनट 20 सेकंड |
| B. | मैं घंटा 20 सेकंड |
| C. | 8 मिनट 20 सेकंड |
| D. | 2 मिनट 20 सेकंड |
| Answer» B. मैं घंटा 20 सेकंड | |
| 28. |
Why does the blackboard look black? |
| A. | does not reflect any color |
| B. | absorbs black |
| C. | shows every color |
| D. | black represents |
| Answer» B. absorbs black | |
| 29. |
How many bones are in the human hand? |
| A. | 14 हड्डियों |
| B. | 20 हड्डियों |
| C. | 27 हड्डियों |
| D. | 21 हड्डियों |
| Answer» D. 21 हड्डियों | |
| 30. |
Why does a coin immersed in a pond appear raised when viewed from above? |
| A. | Refraction of light |
| B. | scattering of light |
| C. | total internal reflection of light |
| D. | reflection of light |
| Answer» B. scattering of light | |
| 31. |
Which one of the following planets is said to be thetwin sisterof Earth? |
| A. | Venus |
| B. | Planet Mars |
| C. | Mercury |
| D. | Jupiter |
| Answer» B. Planet Mars | |
| 32. |
What if a star having more than five times the mass of the Sun is dead? |
| A. | as a neutron star |
| B. | as a black hole |
| C. | as a white dwarf |
| D. | as a nebula |
| Answer» C. as a white dwarf | |
| 33. |
Which of the following is an important ore of chromium? |
| A. | granite |
| B. | igneous |
| C. | chromite |
| D. | none of these |
| Answer» D. none of these | |
| 34. |
What does the solar system represent? |
| A. | conservation of linear momentum |
| B. | conservation of angular momentum |
| C. | Energy Conservation |
| D. | None of these. |
| Answer» C. Energy Conservation | |
| 35. |
What is the positive electrode known by? |
| A. | anode |
| B. | anode rays |
| C. | anode rays |
| D. | cathode |
| Answer» B. anode rays | |
| 36. |
Optic fiber is mainly used for which of the following? |
| A. | food industry |
| B. | weave |
| C. | musical instruments |
| D. | Communications |
| Answer» E. | |
| 37. |
How does pressure cooker work? |
| A. | The boiling point of low pressure water inside the cooker increases |
| B. | The boiling point of high pressure water inside the cooker increases |
| C. | Can't Escape the Heat Cooker |
| D. | Steam inside the cooker makes food easier to cook |
| Answer» C. Can't Escape the Heat Cooker | |
| 38. |
What type of work is done by friction? |
| A. | parallel |
| B. | Affirmative |
| C. | Negative |
| D. | anti parallel |
| Answer» D. anti parallel | |
| 39. |
Why is the color of the sky blue? |
| A. | Interference |
| B. | diffraction |
| C. | dispersed |
| D. | Reflection |
| Answer» D. Reflection | |
| 40. |
When does a magnetic material lose its magnetic properties? |
| A. | brought near a piece of iron |
| B. | Hot |
| C. | submerged in water |
| D. | dipped in oil |
| Answer» C. submerged in water | |
| 41. |
Which of the following is used in pencil? |
| A. | Silicon |
| B. | charcoal |
| C. | graphite |
| D. | Phosphorus |
| Answer» D. Phosphorus | |
| 42. |
Which of the following can help in reading an old written material which cannot be read easily? |
| A. | gamma rays |
| B. | X-ray |
| C. | alpha rays |
| D. | infrared rays |
| Answer» E. | |
| 43. |
By what quantity is the physical quantity measured? |
| A. | lens optical power |
| B. | magnet motive force |
| C. | magnetic flux |
| D. | energy |
| Answer» D. energy | |
| 44. |
Does the device convert electrical energy into mechanical energy? |
| A. | microphone |
| B. | oil engine |
| C. | generator |
| D. | electric motor |
| Answer» E. | |
| 45. |
Which of the following is a cause of greenhouse effect? |
| A. | ultraviolet rays |
| B. | infrared rays |
| C. | cosmic rays |
| D. | radio waves |
| Answer» C. cosmic rays | |
| 46. |
Where is the velocity of sound greatest? |
| A. | Air |
| B. | Vacuum |
| C. | Water |
| D. | Metal |
| Answer» E. | |
| 47. |
What is one of the main functions of the Earth's ozone layer? |
| A. | stop global warming |
| B. | Filter out ultraviolet rays |
| C. | absorb pollution |
| D. | all of the above |
| Answer» C. absorb pollution | |
| 48. |
Which one of the following is a derived unit? |
| A. | Length |
| B. | Time |
| C. | Area |
| D. | the collective |
| Answer» D. the collective | |
| 49. |
What is the angular momentum of the universe? |
| A. | circular |
| B. | Stable |
| C. | unidirectional |
| D. | semi circular |
| Answer» C. unidirectional | |
| 50. |
Who accurately measured the speed of light? |
| A. | Hughes |
| B. | newton |
| C. | Youth |
| D. | michaelson |
| Answer» E. | |