TNPSC Model Test Questions and Answers-Science Quiz-Series 3

6th Standard Science-Series 3

1. The ------------is s defined as the capacity or ability to do work?

a. Energy

b. Joule

c. hard work

d. Effectiveness 

Answer: A

2. The Unit of energy is called?

a. Ohm

b. Joule

c. Newton

d. Dyne

Answer: B

3. Water stored in a dam has the?

a. Mechanical Energy

b. Kinetic Energy

c. Potential Energy 

d. None of the above 

Answer: C

4. Flowing water out of the dam has?

a. Electrical energy

b. Potential Energy 

c. Mechanical Energy

d. Kinetic Energy 

Answer: D

5. Electricity generation from water through turbine is conversion of?

a. Kinetic energy to Electrical Energy

b. Potential energy to Electrical energy   

c. Mechanical energy to Electrical energy

d. Potential energy to kinetic energy  

Answer: B

6. Articles required for electricity generation through water is/are?

1. Water flow from dam from some height

2. Turbines   

3. Magnetic field 

4. Just water flow from dam 

Codes:

a. 1, 2 and 4 only

b. 2, 3 and 4 only   

c. 1, 2 and 3 only 

d. 1 and 2 only  

Answer: C

7. Which one of the following has potential energy?

a. Stretched rubber band 

b. Compressed spring   

c. Moving car

d. Both a and b 

Answer: D

8. The energy possessed by an object with respect to its position or configuration is called?

a. Potential energy 

b. Kinetic energy   

c. Mechanical energy 

d. Chemical energy  

Answer: A

9. The energy possessed by a body virtue of its motion is called?

a. Potential energy 

b. Kinetic energy   

c. Mechanical energy 

d. Motion energy   

Answer: B

10. “Heat is a form of energy”- discovered by?

a. Newton 

b. Pascal   

c. James Joule 

d. Harrington    

Answer: C

11.  Statements

Assertion: The Unit of energy is Joule

Reason: James Joule discovered “Heat is a form of energy”-

a. Both Assertion and Reason are correct and Reason is the Correct Explanation to Assertion

b. Both Assertion and Reason are correct BUT Reason is not the Correct Explanation to Assertion

c. Assertion is true Reason is false

d. Assertion is false Reason is true

Answer: A

12. Mechanical energy is a type of?

a. Potential energy 

b. Kinetic energy   

c. Both a and b 

d. Motion energy   

Answer: C

13. The energy released during chemical reaction is called?

a. Potential energy 

b. Kinetic energy   

c. Chemical energy 

d. Motion energy   

Answer: C

14. The food we eat undergoes reaction and we get?

a. Potential energy 

b. Kinetic energy   

c. Motion energy   

d. Chemical energy 

Answer: D

14. Find out the odd man out?

a. Wood  

b. Charcoal   

c. Petrol   

d. Water

Answer: D 

15. Wind energy is a?

a. Mechanical energy 

b. Heat energy   

c. Electrical energy   

d. Chemical energy 

Answer: A  

16. Food stored in plants and animals are in?

a. Mechanical energy 

b. Heat energy   

c. Electrical energy   

d. Chemical energy 

Answer: D  

17. In a battery or cell?

a. Mechanical energy converted in to electrical energy

b. Heat energy converted in to chemical energy

c. Electrical energy converted in to Chemical energy

d. Chemical energy converted in to electrical energy

Answer: D  

18. Usage of fuels is?

1. Conversion of chemical energy in to light energy

2. Conversion of chemical energy in to heat energy

3. Conversion of electrical energy in to mechanical energy

Codes:

a. 1, 2 and 3 only

b. 2 and 3 only   

c. 1 and 2 only 

d. 2 only  

Answer: C

19. Which one of the following is/are correctly matched?

1. Fan                         - Electrical energy to mechanical energy

2. Wind mill               - Kinetic energy converted to electrical energy

3. Light                       - Electrical energy converted to light energy 

Codes:

a. 1 and 3 only  

b. 2 and 3 only   

c. 1 and 2 only 

d. 1, 2 and 3 only

Answer: D

20. In the wind mill, which one of the following energy conversion takes place?

a. Kinetic energy to Electrical Energy

b. Potential energy to Electrical energy  

c. Mechanical energy to Electrical energy

d. Potential energy to kinetic energy 

Answer: A

21. In Tamil Nadu, which one of the district doesn’t have the wind mill conglomeration?

a. Tirunelveli

b. kanyakumari   

c. Tirupur

d. Madurai 

Answer: D

22.  Statements

Assertion: The Chemical energy is stored in wood and cooking gas is converted in to heat energy

Reason: Due friction and chemical reaction heat energy is produced

a. Both Assertion and Reason are correct and Reason is the Correct Explanation to Assertion

b. Both Assertion and Reason are correct BUT Reason is not the Correct Explanation to Assertion

c. Assertion is true Reason is false

d. Assertion is false Reason is true

Answer: A

23. Our primary source of heat energy is

a. Sun

b. Stars   

c. Atmosphere

d. Galaxy 

Answer: A

24.  Statements

Assertion: Rainfall plays important role in the water cycle

Reason: We get rain from the heat energy obtained by the Sun 

a. Both Assertion and Reason are correct and Reason is the Correct Explanation to Assertion

b. Both Assertion and Reason are correct BUT Reason is not the Correct Explanation to Assertion

c. Assertion is true Reason is false

d. Assertion is false Reason is true

Answer: B

25. In the Thermal power station, which one of the following energy conversion takes place?

a. Kinetic energy to Electrical Energy

b. Heat energy to Electrical energy  

c. Mechanical energy to Electrical energy

d. Potential energy to kinetic energy 

Answer: B

26. In the Electric stove, which one of the following energy conversion takes place?

a. Kinetic energy to Heat energy

b. Electrical energy   to Heat energy 

c. Mechanical energy to Electrical energy

d. Potential energy to kinetic energy 

Answer: B

27. In the thermal power stations, which one of the sequence is followed in energy conversion?

1. Chemical energy

2. Heat energy

3. Electrical energy

Codes:

a. 1, 2 and 3

b. 2, 3 and 1  

c. 3, 1 and 2

d. 1, 3 and 2

Answer: A

28. In the loud speaker, which one of the following energy conversion takes place?

a. Kinetic energy to sound energy

b. Electrical energy   to sound energy 

c. Mechanical energy to sound energy

d. sound energy to kinetic energy 

Answer: B

29. In the torch light, which one of the sequence is followed in energy conversion?

1. Chemical energy

2. Light energy

3. Electrical energy

Codes:

a. 1, 2 and 3

b. 2, 3 and 1  

c. 3, 1 and 2

d. 1, 3 and 2

Answer: D

30. In Photosynthesis, which one of the following energy conversion takes place?

a. Kinetic energy to chemical energy

b. Light energy   to sound energy 

c. Light energy to chemical energy

d. Light energy to kinetic energy 

Answer: C

31. Statements regarding energy

1. Energy can neither be created nor destroyed

2. Energy can be transferred from one form into another form

3. In any conversion of energy, the total amount energy will not be changed  

4. Both 1 and 3 called Law of Conservation of Energy

Codes:

a. 1, 2 and 4 only

b. 2, 3 and 4 only  

c. 1, 2 and 3 only

d. All the above  

Answer: D

32. In electric motor, the electrical energy is converted into?

a. Kinetic energy

b. sound energy 

c. Heat energy

d. All the above   

Answer: D

33. Energy required to dry clothes quickly?

a. Kinetic energy

b. sound energy 

c. Solar energy

d. Potential energy

Answer: C

34. Which of the following requires electrical energy?

a. Windmill

b. Industry 

c. bicycle  

d. Parachute

Answer: B

35. Energy cannot be used to run vehicles?

a. Sound energy

b. Chemical energy

c. Electrical energy  

d. Solar energy  

Answer: A

36. Find out the odd man out?

a. Sound energy

b. Chemical energy

c. Electrical energy  

d. Solar energy  

Answer: A