MCQOPTIONS
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MCQOPTIONS
This section includes 24 Mcqs, each offering curated multiple-choice questions to sharpen your UPSEE knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
---------- is the transmission of heat by waves emitted by hot substances. |
| A. | Conduction |
| B. | Convection |
| C. | Radiation |
| D. | None of these |
| Answer» E. | |
| 2. |
Substances which do not allow heat to pass through them are called: |
| A. | Conductors |
| B. | Insulators |
| C. | Absorbers |
| D. | Radiators |
| Answer» C. Absorbers | |
| 3. |
All metals are good: |
| A. | Conductors |
| B. | Absorbers |
| C. | Radiators |
| D. | Insulators |
| Answer» B. Absorbers | |
| 4. |
A black surface is a better ----------- and absorber of heat than a white surface. |
| A. | Reflector |
| B. | Conductor |
| C. | Evaporator |
| D. | Radiator |
| Answer» E. | |
| 5. |
liquids expand ----------— than solids. |
| A. | Less |
| B. | Better |
| C. | More |
| D. | None of these a better |
| Answer» D. None of these a better | |
| 6. |
Temperature of human body is measured by: |
| A. | Fahrenheit thermometer |
| B. | Clinical thermometer |
| C. | Minimum |
| D. | Maximum thermometer |
| Answer» C. Minimum | |
| 7. |
Different object expand at: |
| A. | Different rates |
| B. | Same rates |
| C. | Noon |
| D. | Night |
| Answer» B. Same rates | |
| 8. |
Heat and temperature are |
| A. | The same thing |
| B. | Not the same thing |
| C. | The new thing |
| D. | None of those |
| Answer» C. The new thing | |
| 9. |
A vacuum flask minimizes: |
| A. | Conduction |
| B. | Convection |
| C. | Radiation |
| D. | All of these |
| Answer» E. | |
| 10. |
The normal temperature of a healthy person's body is about: |
| A. | 97.4° F |
| B. | 98.6° F |
| C. | 96.4° F |
| D. | 98.4° F |
| Answer» E. | |
| 11. |
Mercury is a good thermometric material because: |
| A. | It is opaque |
| B. | It is shining |
| C. | Its thermal expansion inconstant |
| D. | It is transparent |
| Answer» E. | |
| 12. |
Melting point of ice on Fahrenheit Scale is taken as: |
| A. | Zero degree |
| B. | 32 degrees |
| C. | 212 degrees |
| D. | 12 degrees |
| Answer» C. 212 degrees | |
| 13. |
The boiling point of water on Centigrade Scale is: |
| A. | 212°C |
| B. | 100°C |
| C. | 1500C |
| D. | 90°C |
| Answer» C. 1500C | |
| 14. |
Ice point on Celsius Scale is taken as: |
| A. | 32 degrees |
| B. | Zero degree |
| C. | 100 degrees |
| D. | 212 degrees |
| Answer» C. 100 degrees | |
| 15. |
on heating, the kinetic energy of molecules: |
| A. | Increases |
| B. | Decreases |
| C. | Remains constant |
| D. | May increase or decrease |
| Answer» B. Decreases | |
| 16. |
A thermometer is the Instrument used for measuring: |
| A. | Heat |
| B. | Energy |
| C. | Temperature |
| D. | Length |
| Answer» D. Length | |
| 17. |
On heating, solids expand in all: |
| A. | Spaces |
| B. | Directions |
| C. | Parts |
| D. | None of these |
| Answer» C. Parts | |
| 18. |
Heat is transmitted through solids by a process called: |
| A. | Radiation |
| B. | Convection |
| C. | Diffusion |
| D. | Conduction |
| Answer» E. | |
| 19. |
Heat energy is because of the movement of: |
| A. | Atoms |
| B. | Particles |
| C. | Molecules |
| D. | Electricity |
| Answer» D. Electricity | |
| 20. |
There are 100 Celsius degrees between the freezing point of water and the ------------- point of water. |
| A. | Heating |
| B. | Boiling |
| C. | Cooling |
| D. | Evaporating |
| Answer» C. Cooling | |
| 21. |
When the air in a car tyre becomes hot, it expands causing the pressure it exerts to: |
| A. | Increase |
| B. | Decrease |
| C. | Contract |
| D. | Expand |
| Answer» B. Decrease | |
| 22. |
Heat from the Sun reaches Earth by: |
| A. | Conduction |
| B. | Radiation |
| C. | Convection |
| D. | Vaporization |
| Answer» C. Convection | |
| 23. |
Heat is a form of: |
| A. | Light |
| B. | Power |
| C. | Energy |
| D. | Temperature |
| Answer» D. Temperature | |
| 24. |
The Sun is a major source of: |
| A. | Light |
| B. | Energy |
| C. | Power |
| D. | Heat |
| Answer» E. | |