# MCQ on Class 7 Science Chapter 4 Heat with Answers

Here you will find NCERT MCQ Questions for Class 7 science with Answers PDF Free Download based on the important concepts and topics given in the textbook as per CBSE new exam pattern. This may assist you to understand and check your knowledge about the chapters. Students also can take a free test of the Multiple Choice Questions of Class 7 science. Each question has four options followed by the right answer. These MCQ Questions are selected supported by the newest exam pattern as announced by CBSE.

(a) Mercury
(c) Copper
(d) Silver

## Q2. The substances which conduct heat easily are called:

(a) convection
(c) conductors
(d) none of these

## Q3. During the night

(a) Sea water heats up
(b) Land heats up
(c) Land cools more quickly than the sea
(d) Sea cools quickly than the land

Answer: (c) Land cools more quickly than the sea

## Q4. What is the range of the temperature reading of a clinical thermometer?

(a) 35°C – 42°C
(b) -10°C – 110°C
(c) 0°C – 100°C
(d) 32°C – 42°C

## Q5. What is the normal temperature of a healthy person?

(a) 37°C
(b) 37°F
(c) 37 K
(d) None of these

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

(a) conduction
(b) convection
(d) none of these

## Q7. Mercury is generally used in thermometer because it has a

(a) high fluidity
(b) high density
(c) high conductivity
(d) high specific heat

## Q8. Which of the following thermometer contains mercury?

(a) Clinical thermometer
(b) Laboratory thermometer
(c) Both (a) and (b)
(d) None of these

Answer: (c) Both (a) and (b)

## Q9. Heat always flows

(a) from a colder object to a hotter object
(b) from a hotter object to a colder object
(c) in both the directions
(d) heat never flows from one object to other

Answer: (b) from a hotter object to a colder object

## Q10. Which currents are formed in all liquid on heating ?

(b) conduction current
(c) convection current
(d) none of these

## Q11. Which of the following is a insulator

(a) Graphite
(b) Air
(c) Aluminium rod
(d) Copper rod

(a) Iron
(b) Steel
(c) Aluminium
(d) All of these

## Q13. Which one of the following is a reliable measure?

(a) Hotness
(b) Coldness
(c) Temperature
(d) None of these

## Q14. Heat in liquid travels from the:

(a) bottom to top
(b) top to bottom
(c) right to left
(d) left to right

(a) Water vapour
(b) Metals
(c) Alcohol
(d) Water

## Q16. A device used to measure the temperature is

(a) transistor
(b) thermometer
(c) mercury
(d) none of these

(a) Picometer
(b) Barometer
(c) Manometer
(d) Thermometer

(a) conduction
(b) convection
(d) insulators

(b) Conduction
(c) Through air
(d) Convection

## Q20. Which of the following thermometers has a kink?

(a) Laboratory thermometer
(b) Clinical thermometer
(c) Both (a) and (b)
(d) Digital thermometer

## Class 7 Science MCQs Multiple Choice Questions with Answers

Chapter 1: Nutrition in Plants Class 7 MCQ
Chapter 2: Nutrition in Animals Class 7 MCQ
Chapter 3: Fibre to Fabric Class 7 MCQ
Chapter 4: Heat Class 7 MCQ
Chapter 5: Acids, Bases and Salts Class 7 MCQ
Chapter 6: Physical and Chemical Changes Class 7 MCQ
Chapter 7: Weather, Climate and Adaptations of Animals to Climate Class 7 MCQ
Chapter 8: Winds, Storms and Cyclones Class 7 MCQ
Chapter 9: Soil Class 7 MCQ
Chapter 10: Respiration in Organisms Class 7 MCQ Questions
Chapter 11: Transportation in Animals and Plants Class 7 MCQ Questions
Chapter 12: Reproduction in Plants Class 7 MCQ Questions
Chapter 13: Motion and Time Class 7 MCQ Questions
Chapter 14: Electric Current and Its Effects Class 7 MCQ Questions
Chapter 15: Light Class 7 MCQ Questions
Chapter 16: Water: A Precious Resource Class 7 MCQ Questions
Chapter 17: Forests: Our Lifeline Class 7 MCQ Questions
Chapter 18: Wastewater Story Class 7 MCQ Questions

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