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. |
dry cell? |
| A. | primary cell |
| B. | secondary cell |
| C. | tertiary cell |
| D. | none of these |
| Answer» B. secondary cell | |
| 2. |
Which device is used to convert electrical energy into mechanical energy? |
| A. | dynamo |
| B. | electric motor |
| C. | Transformers |
| D. | none of these |
| Answer» C. Transformers | |
| 3. |
What is the symptom of superconductor? |
| A. | high permeability |
| B. | infinite permeability |
| C. | zero permeability |
| D. | low permeability |
| Answer» B. infinite permeability | |
| 4. |
The light that is refracted the most when passing through a prism is |
| A. | Green |
| B. | purple |
| C. | Red |
| D. | Orange |
| Answer» C. Red | |
| 5. |
Can an astronaut see the sky in outer space? |
| A. | Black |
| B. | Red |
| C. | White |
| D. | Blue |
| Answer» B. Red | |
| 6. |
Which of the following lenses should be used to correct the defect of amblyopia? |
| A. | concave lens |
| B. | convex lens |
| C. | cylinder lens |
| D. | bifocal lens |
| Answer» D. bifocal lens | |
| 7. |
The charge of objects is due to the transfer of |
| A. | neutron |
| B. | proton |
| C. | electron |
| D. | positron |
| Answer» D. positron | |
| 8. |
Glowing of oil layer over water is an example of? |
| A. | of interference |
| B. | of scattering |
| C. | of refraction |
| D. | none of these |
| Answer» B. of scattering | |
| 9. |
Why does the swimming pool appear less deep than the actual depth? |
| A. | scatter |
| B. | interference |
| C. | refraction |
| D. | Light |
| Answer» D. Light | |
| 10. |
How will an air bubble in water behave? |
| A. | convex lens |
| B. | Convex mirror |
| C. | concave lens |
| D. | concave mirror |
| Answer» D. concave mirror | |
| 11. |
Through which of the following is the speed of light the least? |
| A. | Wind |
| B. | water |
| C. | glass |
| D. | Vacuum |
| Answer» D. Vacuum | |
| 12. |
What is the complementary color of yellow? |
| A. | Orange |
| B. | Red |
| C. | Blue |
| D. | Green |
| Answer» D. Green | |
| 13. |
On which of the following dates your shadow is shortest at noon? |
| A. | 12 April |
| B. | March 2 |
| C. | March 18 |
| D. | 21 June |
| Answer» E. | |
| 14. |
What does the color of a star tell about a star? |
| A. | star distance |
| B. | star heat |
| C. | star weight |
| D. | star formation |
| Answer» C. star weight | |
| 15. |
Why is the depth of a pond filled with water less visible? |
| A. | refraction |
| B. | reflection |
| C. | diffraction |
| D. | none of these |
| Answer» B. reflection | |
| 16. |
With which one of the following processes is the term CMYK related? |
| A. | offset printing |
| B. | voting machine |
| C. | railway signaling |
| D. | none of these |
| Answer» B. voting machine | |
| 17. |
The bright colors of soap bubbles are due to which of the following? |
| A. | scatter |
| B. | deflection |
| C. | diffraction |
| D. | none of these |
| Answer» B. deflection | |
| 18. |
When red, green and blue colors of light are mixed in equal proportion, the resultant color will be? |
| A. | Black |
| B. | shyam |
| C. | White |
| D. | Magenta |
| Answer» D. Magenta | |
| 19. |
In eye donation, which part of the donor's eye is transplanted? |
| A. | Lens |
| B. | cornea |
| C. | full eye |
| D. | retina |
| Answer» C. full eye | |
| 20. |
Where do light waves in the human eye get reflected into nerve impulses? |
| A. | eye in star |
| B. | from the retina |
| C. | from the lens |
| D. | from the cornea |
| Answer» C. from the lens | |
| 21. |
What type of lens is used in the camera? |
| A. | Convex |
| B. | circular |
| C. | of equal thickness |
| D. | concave |
| Answer» B. circular | |
| 22. |
What is meant by myopia? |
| A. | myopia |
| B. | color blindness |
| C. | farsightedness |
| D. | none of these |
| Answer» B. color blindness | |
| 23. |
Sound can't pass? |
| A. | by air |
| B. | from vacuum |
| C. | from steel |
| D. | by water |
| Answer» C. from steel | |
| 24. |
When sound waves travel, what do they carry with them? |
| A. | mass |
| B. | sound |
| C. | energy |
| D. | none of these |
| Answer» D. none of these | |
| 25. |
Doppler effect is related to? |
| A. | currency circulation |
| B. | Psychology |
| C. | sound |
| D. | Population |
| Answer» D. Population | |
| 26. |
Which waves cannot propagate in a vacuum? |
| A. | heat |
| B. | sound |
| C. | Light |
| D. | none of these |
| Answer» C. Light | |
| 27. |
Which produces the loudest sound? |
| A. | Tiger |
| B. | gorilla |
| C. | monkey |
| D. | Chimpanzee |
| Answer» B. gorilla | |
| 28. |
The tuning station of radio is an example? |
| A. | resonance |
| B. | refraction |
| C. | interference |
| D. | reflection |
| Answer» B. refraction | |
| 29. |
What is the nature of sound waves? |
| A. | Indefinite |
| B. | Backwards |
| C. | transverse |
| D. | electromagnetic |
| Answer» B. Backwards | |
| 30. |
What causes sound waves to produce resonance? |
| A. | diffraction |
| B. | refraction |
| C. | reflection |
| D. | none of these |
| Answer» D. none of these | |
| 31. |
Which process does not occur in both light and sound? |
| A. | Polarization |
| B. | refraction |
| C. | diffraction |
| D. | reflection |
| Answer» B. refraction | |
| 32. |
If the temperature of a place increases suddenly, what is the relative humidity? |
| A. | increases |
| B. | happens |
| C. | remains stable |
| D. | keeps on increasing |
| Answer» C. remains stable | |
| 33. |
What is the process of changing a liquid into vapor before its boiling point is called? |
| A. | condensation |
| B. | Freezing |
| C. | evaporation |
| D. | none of these |
| Answer» D. none of these | |
| 34. |
The change of state of matter from solid to liquid is called? |
| A. | Evaporation |
| B. | melting |
| C. | boiling |
| D. | none of these |
| Answer» C. boiling | |
| 35. |
Which of the following liquids is the best conductor of heat? |
| A. | ether |
| B. | benzene |
| C. | Mercury |
| D. | Water |
| Answer» D. Water | |
| 36. |
is protected by the first law of thermodynamics? |
| A. | momentum |
| B. | energy |
| C. | both energy and momentum |
| D. | none of these |
| Answer» C. both energy and momentum | |
| 37. |
What is the process of making camphor vapor from solid camphor called? |
| A. | sublimation |
| B. | evaporation |
| C. | to melt |
| D. | none of these |
| Answer» B. evaporation | |
| 38. |
What is the transfer of heat through molecular composition called? |
| A. | convection |
| B. | radiation |
| C. | driving |
| D. | scatter |
| Answer» B. radiation | |
| 39. |
Which of the following has the highest specific heat value? |
| A. | copper |
| B. | lead |
| C. | water |
| D. | glass |
| Answer» D. glass | |
| 40. |
Which of the following has the highest heat capacity? |
| A. | Benzene |
| B. | water |
| C. | piece of gold |
| D. | piece of iron |
| Answer» C. piece of gold | |
| 41. |
What will happen to the melting point of ice by increasing the pressure? |
| A. | will decrease |
| B. | will increase |
| C. | will be zero |
| D. | will remain unchanged |
| Answer» B. will increase | |
| 42. |
Which of the following produces more flame? |
| A. | Steam |
| B. | Hot Air |
| C. | sun rays |
| D. | all these |
| Answer» B. Hot Air | |
| 43. |
What is the best conductor of heat? |
| A. | silver |
| B. | Gold |
| C. | copper |
| D. | Aluminum |
| Answer» B. Gold | |
| 44. |
One horsepower is equal to how many watts? |
| A. | 450 watts |
| B. | 600 watts |
| C. | 734 watts |
| D. | 746 watts |
| Answer» E. | |
| 45. |
Which scientist first melted two pieces of ice by rubbing them together? |
| A. | Celsius |
| B. | joule |
| C. | Davy |
| D. | none of these |
| Answer» D. none of these | |
| 46. |
An iron needle floats on the surface of water. What is the reason for this phenomenon? |
| A. | viscosity |
| B. | gravitational acceleration |
| C. | page tension |
| D. | none of these |
| Answer» D. none of these | |
| 47. |
Bernoulli theorem is based on? |
| A. | on energy conservation |
| B. | on momentum conservation |
| C. | on charge protection |
| D. | none of these |
| Answer» B. on momentum conservation | |
| 48. |
What is the normal temperature of a human body? |
| A. | 65 degree |
| B. | 95 degree |
| C. | 98 degree |
| D. | 99 degree |
| Answer» D. 99 degree | |
| 49. |
Heat is a type of energy that can be converted into work. Who first gave direct proof of this? |
| A. | Celsius |
| B. | Davy |
| C. | joule |
| D. | Ramford |
| Answer» E. | |
| 50. |
What does an angstrom measure? |
| A. | wavelength |
| B. | Turnover time |
| C. | frequency |
| D. | Time |
| Answer» B. Turnover time | |