GENERAL SCIENCE #46
MULTIPLE CHOICE QUESTIONS
1. Which
one of the following is a reliable measure?
(a) Hotness
(b) Coldness
(c) Temperature
(d) None of the above
Answer:
(c)
2. Name
the device which is used to measure the hotness or coldness of an object.
(a) Picometer
(b) Barometer
(c) Manometer
(d) Thermometer
Answer:
(d)
3. Which
one is filled in the bulb of a thermometer?
(a) Mercury
(b) Lead
(c) Copper
(d) Silver
Answer:
(a)
4. What
is the normal temperature of a healthy person?
(a) 37°C
(b) 37°F
(c) 37 K
(d) None of the above
Answer:
(a)
5. 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)
6. Conduction
is the method of transfer of heat in ……………
(a) liquids
(b) solids
(c) gases
(d) vacuum
Answer:
(b)
7. Heat
from the sun reaches to us by which of the following?
(a) Radiation
(b) Conduction
(c) Convection
(d) All of the above
Answer:
(a)
8. A
beggar wrapped himself with a few layers of newspaper on a cold winter night.
This helped him to keep himself warm because ……………
(a) friction between the layers of newspaper produces
heat.
(b) air trapped between the layers of newspaper is a bad
conductor of heat.
(c) newspaper is a conductor of heat.
(d) newspaper is at a higher temperature than the
temperature of the surroundiong.
Answer:
(b)
9. A
marble tile would feel cold as compared to a wooden tile on a winter morning,
because the marble tile ……………
(a) is a better conductor of heat than the wooden tile.
(b) is polished while wooden tile is not polished.
(c) reflects more heat than wooden tile.
(d) is a poor conductor of heat than the wooden tile.
Answer:
(a)
10. Nisha
and Vishal measured their body temperature. Nisha found her’s to be 98.6°F and
Vishal recorded 37°C. Which of the following statement is true?
(a) Nisha has a higher body temperature than Vishal
(b) Nisha has a lower body temperature than Vishal
(c) Both have normal body temperature
(d) Both are suffering from fever
Answer:
(c)
11. Which
of the following is a good conductor of heat?
(a) Iron
(b) Steel
(c) Aluminium
(d) All of the above
Answer:
(d)
12. Which
device is used to measure the temperature?
(a) Transistor
(b) Thermometer
(c) Mercury
(d) None of these
Answer:
(b)
13. Which
of the following thermometers has a kink?
(a) Laboratory thermometer
(b) Clinical thermometer
(c) Both ‘a’ and ‘b’
(d) Digital thermometer
Answer:
(b)
14. 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
Answer:
(a)
15.
Which of the following thermometer contains mercury?
(a) Clinical thermometer
(b) Laboratory thermometer
(c) Both ‘a’ and ‘b’
(d) None of these
Answer:
(c)
16. What
is the range of the temperature reading of a laboratory thermometer?
(a) -10°C – 110°C
(b) 35°C – 42°C
(c) 0°C – 100°C
(d) -10°C – 100°C
Answer:
(a)
17. What
is called the transfer of heat from hotter body to colder body?
(a) Conduction
(b) Induction
(c) Convection
(d) Radiation
Answer:
(a)
18. What
is called the process of transferring of heat without any contact between the
source of heat and the heated object?
(a) Conduction
(b) Convection
(c) Radiation
(d) Induction
Answer:
(c)
19. The
materials which allow the heat to pass through them easily are called ……………
(a) insulators
(b) conductors
(c) semi conductors
(d) poor conductors
Answer:
(b)
20. Which
of the following is an insulator?
(a) Wood
(b) Iron
(c) Copper
(d) Zinc
Answer:
(a)
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