Chapter 5: Energy - Multiple Choice Questions - General Science Paper II - For Class X (Arts / genaral Group)

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Chapter 5: Energy
General Science II
For Class X (Arts / Genaral Group)
Multiple Choice Questions and Fill In The Blanks

Multiple Choice Questions

Encircle The Appropriate Answer:
1. Energy Is defined as:
a) Force
b) Work
c) Fuel
d) Ability of body to do work ✓

2. The energy that we get by eating food is known as:
a) Mechanical energy
b) Potential energy ✓
c) Kinetic energy
d) Heat energy

3. When we throw a ball up in the air, after reaching a certain height it begins to fall due to:
a) Potential energy ✓
b) Mechanical energy
c) Chemical energy
d) Kinetic energy

4. A fuel contains energy which is known as:
a) Mechanical energy
b) Electrical energy
c) Potential energy ✓
d) Kinetic energy

5. When running water moves a turbine the potential energy of water is changed into:
a) Kinetic energy ✓
b) Mechanical energy
c) Electrical energy
d) Heat energy

6. Solar energy is known as:
a) Radiant energy ✓
b) Thermal energy
c) Mechanical energy
d) Chemical energy

7. Which of the following is the most dangerous air-pollutant?
a) Dust particles
b) Garbage
c) Carbondioxide
d) Carbon monoxide ✓

8. Which of the following causes air pollution the most now a days?
a) Animal waste
b) Burning of fuels ✓
c) Stone crushing industry
d) Liquid wastes from industries

9. What are aerosols?
a) Harmful gases b) Small material particles ✓
c) Radio active substances
d) Water vapour

10. In order to reduce air pollution we should reduce:
a) The number of vehicles ✓
b) The number of trees
c) The electrical appliances
d) Hydral power plants

11. The form of energy which is stored in body is:
a) Kinetic Energy
b) Potential Energy ✓
c) Chemical Energy
d) Electrical Energy

12. The energy by virtue of motion of the body is:
a) Kinetic Energy ✓
b) Poential Energy
c) Chemical Energy
d) Heat Energy

13. Machines are said to posses:
a) Heat Energy
b) Kinetic Energy
c) Mechanical Energy ✓
d) All of above

14. Which of the following in not included in conventional source of energy:
a) Coal
b) Gas
c) Oil
d) Sun ✓

15. The inner most layer of the earth is called:
a) Mantle
b) Earth's crust
c) Core ✓
d) None of these

16. Energy obtained from plant residue, bagasse, molasses & animal dung, is:
a) Geothermal Energy
b) Tidal Energy
c) Bio-Mass Energy ✓
d) Energy from wind

17. Nuclear energy is also termed as:
a) Solar Energy
b) Atomic Energy ✓
c) Tidal Energy
d) Heat Energy

18. The exhaust fumes from a gasoline or diesel engine usually contains:
a) CO₂
b) CO ✓
c) SO₂
d) NO₂

19. Aerosol are:
a) Poisonous Gases
b) Nitrogen Compounds
c) Small material particles ✓
d) Carbon gases

20. Which of the following is the most harmful air-pollutant?
a) CO ✓
b) CO₂
c) SO₂
d) NO₂