Last updated on December 9th, 2023 at 09:09 pm
Class 7 Science Chapter 4 Heat MCQ
The transfer of heat from one place to another without the help of any medium is called:
a) Conduction
b) Radiation
c) Convection
d) None of the above
Answer: Radiation
The unit of measurement of temperature is:
a) Kelvin
b) Joule
c) Watt
d) None of the above
Answer: Kelvin
The process of transfer of heat through solids is called:
a) Convection
b) Radiation
c) Conduction
d) None of the above
Answer: Conduction
The material that is a poor conductor of heat is called:
a) Insulator
b) Conductor
c) Metal
d) None of the above
Answer: Insulator
The process of transfer of heat through fluids is called:
a) Convection
b) Radiation
c) Conduction
d) None of the above
Answer: Convection
The metal that is the best conductor of heat is:
a) Copper
b) Silver
c) Gold
d) None of the above
Answer: Silver
The process of transfer of heat through electromagnetic waves is called:
a) Conduction
b) Radiation
c) Convection
d) None of the above
Answer: Radiation
The instrument used to measure temperature is called:
a) Thermometer
b) Barometer
c) Hygrometer
d) None of the above
Answer: Thermometer
The material that is a good conductor of heat is called:
a) Insulator
b) Conductor
c) Metal
d) None of the above
Answer: Conductor
The process of transfer of heat through gases is called:
a) Convection
b) Radiation
c) Conduction
d) None of the above
Answer: Convection
Which device is used to measure temperature?
a) Thermometer
b) Clinical thermometer
c) Laboratory thermometer
d) All of the above
Answer: d) All of the above
What is the range of a clinical thermometer?
a) -10°C to 110°C
b) 35°C to 42°C
c) -10°C to 35°C
d) 42°C to 110°C
Answer: b) 35°C to 42°C