Temperature and its Measurement — Practice

Q1. A reliable measure of the hotness or coldness of a body is its

• A. Weight
• B. Volume
• C. Mass
• D. Temperature

Q2. A device that measures temperature is called a

• A. Barometer
• B. Thermometer
• C. Speedometer
• D. Hygrometer

Q3. The normal body temperature of a healthy human adult is taken to be close to

• A. 27.0 degrees C
• B. 32.0 degrees C
• C. 37.0 degrees C
• D. 42.0 degrees C

Q4. A temperature of 37.0 degrees C on the Celsius scale is the same as

• A. 97.4 degrees F
• B. 97.6 degrees F
• C. 98.4 degrees F
• D. 98.6 degrees F

Q5. On the Celsius scale, the unit of temperature is the degree Celsius. Which symbol is used to denote it?

• A. K
• B. degrees F
• C. C only
• D. degrees C

Q6. The SI unit of temperature is the

• A. Kelvin
• B. Degree Celsius
• C. Degree Fahrenheit
• D. Joule

Q7. The range of a typical laboratory thermometer is usually

• A. 10 degrees C to 100 degrees C
• B. -10 degrees C to 110 degrees C
• C. 32 degrees C to 45 degrees C
• D. 35 degrees C to 42 degrees C

Q8. A clinical thermometer is used to measure

• A. Human body temperature
• B. Air temperature in a classroom
• C. Temperature of boiling water
• D. Temperature of ice in a freezer

Q9. A digital clinical thermometer shows the temperature

• A. As a level of red liquid in a glass tube
• B. As a digital number on its display
• C. As a level of mercury in a glass tube
• D. As a colour change on a paper strip

Q10. Mercury thermometers are being replaced by digital thermometers mainly because

• A. Mercury is cheaper than batteries
• B. Mercury is extremely toxic and hard to dispose of if the thermometer breaks
• C. Mercury freezes at room temperature
• D. Mercury cannot show body temperature

Q11. An infrared thermometer is special because it can measure the temperature of a person

• A. Without touching the person's body
• B. Only when placed under the tongue
• C. Only when placed in the armpit
• D. Only when the person is asleep

Q12. The liquid used inside a laboratory thermometer is generally

• A. Water or oil
• B. Petrol or kerosene
• C. Alcohol (often coloured red) or mercury
• D. Milk or honey

Q13. When Phiban touches Lambok's forehead and feels that he might be having a fever, she decides to

• A. Conclude immediately that he has a fever
• B. Confirm the fever using a thermometer
• C. Wait until the next day without checking
• D. Count his pulse rate only

Q14. Anna Mani (1918-2001), the Indian scientist mentioned in this chapter, is known as the

• A. Weather Woman of India
• B. Missile Woman of India
• C. Nightingale of India
• D. Rocket Woman of India

Q15. The lowest temperature that can be achieved, according to scientific understanding, is called absolute zero. Its approximate value is

• A. 0 degrees C
• B. -100 degrees C
• C. -273.15 degrees C
• D. -1000 degrees C