Heat MCQ Questions for Class 7 Science Chapter 4 with Answers

Heat MCQ Questions for Class 7 Science Chapter 4 with Answers

We have completed the NCERT/CBSE chapter-wise Multiple Choice Questions for Class 7 Science book Chapter 4 Heat with Answers by expert subject teacher for latest syllabus and examination. You can Prepare effectively for the exam taking the help of the Class 7 Science Objective Questions PDF free of cost from here. Students can take a free test of the Multiple Choice Questions of Heat. Each Questions has four options followed by the right answer. Download the Science Quiz Questions with Answers for Class 7 free Pdf and prepare to exam and help students understand the concept very well.

MCQ Questions for Class 7 Science with Answers

Q1. Heat transferred into solids by:

(i) conduction
(ii) convection
(iii) radiation
(iv) insulators

(i) conduction

Q2. Which of the following is the best conductor of heat?

(i) Water vapour
(ii) Metals
(iii) Alcohol
(iv) Water

(ii) Metals

Q3. Name the device which is used to measure the hotness or coldness of an object.

(i) Picometer
(ii) Barometer
(iii) Manometer
(iv) Thermometer

(iv) Thermometer

Q4. Which of the following is a insulator

(i) Graphite
(ii) Air
(iii) Aluminium rod
(iv) Copper rod

(ii) Air

Q5. A device used to measure the temperature is

(i) transistor
(ii) thermometer
(iii) mercury
(iv) none of these

(ii) thermometer

Q6. In which process heat is transferred from hotter end to colder end is known as:

(i) conduction
(ii) convection
(iii) radiation
(iv) none of these

(i) conduction

Q7. During the night

(i) Sea water heats up
(ii) Land heats up
(iii) Land cools more quickly than the sea
(iv) Sea cools quickly than the land

(iii) Land cools more quickly than the sea

Q8. What is the normal temperature of a healthy person?

(i) 37°C
(ii) 37°F
(iii) 37 K
(iv) None of these

(i) 37°C

Q9. Light coloured clothes are preferred during:

(i) winter
(ii) summer
(iii) rainy
(iv) none of these

(ii) summer

Q10. What is the range of the temperature reading of a clinical thermometer?

(i) 35°C – 42°C
(ii) -10°C – 110°C
(iii) 0°C – 100°C
(iv) 32°C – 42°C

(i) 35°C – 42°C

Q11. The correct method of reading a clinical thermometer is:

(i) holding the thermometer by bulb
(ii) before use the mercury level should be below 39°C
(iii) don’t hold the thermometer by bulb
(iv) none of these

(iii) don’t hold the thermometer by bulb

Q12. Normal body temperature is

(i) 39°C
(ii) 17°C
(iii) 27°C
(iv) 37°C

(iv) 37°C

Q13. Heat always flows

(i) from a colder object to a hotter object
(ii) from a hotter object to a colder object
(iii) in both the directions
(iv) heat never flows from one object to other

(ii) from a hotter object to a colder object

Q14. Name the device which is used to measure the hotness or coldness of an object.

(i) Picometer
(ii) Barometer
(iii) Manometer
(iv) Thermometer

(iii) Manometer

Q15. What is the range of the temperature reading of a laboratory thermometer?

(i) -10°C – 110°C
(ii) 35°C – 42°C
(iii) 0°C – 100°C
(iv) -10°C – 100°C

(i) -10°C – 110°C

Q16. Which currents are formed in all liquid on heating ?

(i) radiation current
(ii) conduction current
(iii) convection current
(iv) none of these

(iii) convection current

Q17. In which mode of heat transfer does the transfer of heat occur as a wave?

(i) Conduction
(ii) Convection
(iii) Radiation
(iv) All of these

(iii) Radiation

Q18. Heat from the sun reaches to us by

(i) radiation
(ii) conduction
(iii) convection
(iv) all of these

(i) radiation

Q19. Which thermometer records the highest and lowest temperature during a period of time ?

(i) Clinical thermometer
(ii) Laboratory thermometer
(iii) Minimum and maximum thermometer
(iv) None of these

(iii) Minimum and maximum thermometer

Q20. The process of transferring of heat without any contact between the source of heat and the heated object is called

(i) conduction
(ii) convection
(iii) radiation
(iv) induction

(iii) radiation

Q21. Which thermometer is used to measure temperature of different things and places ?

(i) Laboratory thermometer
(ii) Clinical thermometer
(iii) Minimum and maximum thermometer
(iv) None of these

(i) Laboratory thermometer

Q22. Heat is a form

(i) Power
(ii) Work
(iii) Temperature
(iv) Energy

(iv) Energy

Q23. A marble tile would feel cold as compared to a wooden tile on a winter morning, because the marble tile:

(i) is a better conductor of heat than the wooden tile.
(ii) is polished while wooden tile is not polished.
(iii) reflects more heat than wooden tile.
(iv) is a poor conductor of heat than the wooden tile.

(i) is a better conductor of heat than the wooden tile.

Q24. Expansion of a substance on heating depends on

(i) nature of the substance
(ii) rise in temperature
(iii) both A and B
(iv) color of the substance

(iii) both (i) and (ii)

Q25. The materials which allow the heat to pass through them easily are called

(i) insulators
(ii) conductors
(iii) semiconductors
(iv) poor conductors

(ii) conductors

Q26. Which scale was used in clinical thermometer during earlier times?

(i) Celsius scale
(ii) Fahrenheit scale
(iii) Both (i) and (ii)
(iv) None of these

(ii) Fahrenheit scale

Q27. Which type of cloth is preferred in summer?

(i) Silk clothes
(ii) Cotton clothes
(iii) Nylon clothes
(iv) Polyester clothes

(ii) Cotton clothes

Q28. The phenomenon involved in the formation of land and sea breeze is:

(i) conduction
(ii) convection
(iii) radiation
(iv) all of these

(ii) convection

We Think the given NCERT MCQ Questions for class 7 Science book Chapter 4 Heat with Answers Pdf free download will assist you. If you’ve got any queries regarding CBSE Class 7 Science of Heat MCQs Multiple Choice Questions with Answers, drop a comment below and that we will come back to you soons.

Leave a Comment