Class 7 Science MCQ Chapter 4 Heat

Class 7 Science MCQ Chapter 4 Heat Solutions in English Medium, Class 7 Science Multiple Choice Question Answer in English to each chapter is provided in the list so that you can easily browse throughout different chapters Class 7 Science MCQ Chapter 4 Heat Notes and select need one.

Class 7 Science MCQ Chapter 4 Heat

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Also, you can read the SCERT book online in these sections Class 7 Science Objective Type Solutions by Expert Teachers as per SCERT (CBSE) Book guidelines. These solutions are part of SCERT All Subject Solutions. Here we have given Assam Class 7 Science MCQs Solutions in English for All Subject, You can practice these here.

Heat

Chapter – 4

MCQ

1. The degree of hotness or coldness of a body is called:

(a) Heat.

(b) Light.

(c) Temperature.

(d) Energy.

Ans: (c) Temperature.

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2. Which of the following is a reliable measure of the degree of hotness of an object?

(a) Our sense of touch.

(b) Colour of the object.

(c) Temperature.

(d) Size of the object.

Ans: (c) Temperature.

3. Which of these is a conductor of heat?

(a) Wool.

(b) Paper.

(c) Copper. 

(d) Wood.

Ans: (c) Copper.

4. What is the range of a clinical thermometer?

(a) 0°C to 100°C.

(b) -10°C to 110°C.

(c) 35°C to 42°C.

(d) 37°C to 45°C.

Ans: (c) 35°C to 42°C.

5. Which device is used to measure body temperature?

(a) Laboratory thermometer.

(b) Barometer.

(c) Clinical thermometer.

(d) Hygrometer.

Ans: (c) Clinical thermometer.

6. Which of these is an insulator?

(a) Copper.

(b) Wood.

(c) Iron.

(d) Silver.

Ans: (b) Wood.

7. What is the normal temperature of the human body?

(a) 36°C.

(b) 37°C.

(c) 38°C.

(d) 39°C.

Ans: (b) 37°C.

8. Heat from the sun reaches us due to:

(a) Conduction.

(b) Convection.

(c) Radiation. 

(d) Vibration.

Ans: (c) Radiation.

9. In which of the following materials is heat primarily transferred by conduction?

(a) Solids.

(b) Liquids.

(c) Gases.

(d) Vacuum.

Ans: (a) Solids.

10. Conduction, convection and radiation are:

(a) processes through which heat transfers

(b) scales of temperature 

(c) different forms of energy

(d) types of thermometer

Ans: (a) Processes through which heat transfers.

11. Which of the following materials is an insulator?

(a) Copper.

(b) Wool.

(c) Aluminium.

(d) Iron.

Ans: (b) Wool.

12. The normal temperature of human body is:

(a) 37 K

(b) 37°C

(c) 37°F

(d) All of the above

Ans: (b) 37°C.

13. Why do we feel more comfortable in light-coloured clothes during summer?

(a) They are more stylish.

(b) They absorb more heat.

(c) They absorb less radiation.

(d) They are made of lighter material.

Ans: (c) They absorb less radiation.

14. How does wool keep us warm in winter?

(a) It is a good conductor of heat.

(b) It traps air between the fibres.

(c) It allows heat to pass through easily.

(d) It reflects heat away from the body.

Ans: (b) It traps air between the fibres.

15. Solids transfer heat by:

(a) Conduction

(b) Convection 

(c) Radiation

(d) All of the above

Ans: (a) Conduction.

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