General Science #46 Multiple Choice Questions (MCQ) : Assam Jobs Guide

GENERAL SCIENCE #46

MULTIPLE CHOICE QUESTIONS

General Science : Multiple Choice Questions (MCQ) : Assam Jobs Guide

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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