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MCQ Questions for class 7 Science Heat

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Below is the Quiz for class 7 Science chapter Heat. You can Tap on the Start Quiz to begin playing the MCQs.

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Total Questions: 10

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Q1. No medium is required for transfer of heat by the process of __________

  1. Radiation
  2. Conduction
  3. Convection
  4. None
Answer: Radiation

Q2. Which device is used to measure the body temperature?

  1. Stalagmomanometer
  2. Odometer
  3. Thermometer
  4. Lactometer
Answer: Thermometer

Q3. What is the Scale used in clinical thermometers?

  1. Kelvin
  2. Celsius
  3. Fahrenheit
  4. All of the above
Answer: Celsius

Q4. What is the Normal human body temperature?

  1. 35°C
  2. 36°C
  3. 37°C
  4. 38°C
Answer: 37°C

Q5. Which Element is present in a clinical thermometer?

  1. Gold
  2. Silver
  3. Mercury
  4. Potassium
Answer: Mercury

Q6. The hotness of an object is determined by its __________

  1. Colour
  2. Container
  3. Temperature
  4. Volume
Answer: Temperature

Q7. What is the Range of a clinical thermometer?

  1. 0°C - 42°C
  2. 0°C - 40°C
  3. 34°C - 42°C
  4. 35°C - 42°C
Answer: 35°C - 42°C

Q8. What is the Range of a laboratory thermometer?

  1. -10°C to 110°C
  2. 0°C to 110°C
  3. -5°C to 100°C
  4. 0°C to 100°C
Answer: -10°C to 110°C

Q9. What is the Use of kink in laboratory thermometer?

  1. Avoid error
  2. Prevent mercury from falling on its own
  3. Allow mercury to rise freely
  4. All of the above
Answer: Prevent mercury from falling on its own

Q10. Why Mercury is not used in digital thermometers?

  1. Mercury is toxic
  2. Difficult to dispose
  3. Precision is low
  4. Both A and B
Answer: Both A and B

Q11. Which is true for conduction?

  1. Required medium
  2. Happens in solid only
  3. It is a method of heat transfer
  4. All of the above
Answer: All of the above

Q12. Conduction of heat can happen in

  1. Water
  2. Wooden log
  3. Mercury
  4. Iron
Answer: Iron

Q13. Conduction occurs easily in

  1. Conductors
  2. Insulators
  3. Alloy
  4. None
Answer: Conductors