GENERAL SCIENCE CLASS 8 MCQS

To obtain sharp image in a camera:

1. Lens is moved up and down
2. Lens is moved side to side
3. Lens is moved back and forth
4. Lens is fixed in place

Flow of electrons is called:

1. Electric Charge
2. Electric Potential
3. Electric Power
4. Electric Current

Which part of a bicycle dynamo spins to generate electricity:

1. Magnet
2. Gear
3. Axle
4. Coils

What type of energy wind produces which is used to rotate the blades of fan of energy system:

1. Potential energy
2. Kinetic energy
3. Thermal energy
4. Electrical energy

A form of energy which can be found in the nucleus of an atom of an element:

1. Kinetic Energy
2. Potential Energy
3. Nuclear Energy
4. Chemical Energy

When animals and plants are decayed in absence of air, there produces a gas called:

1. Natural Gas
2. CNG
3. LPG
4. Biogas

Which of the following is used as a fuel to produce heat energy:

1. Biomass Energy
2. Solar Energy
3. Hydro Energy
4. Wind Energy

Which of the following is NOT a renewable energy source:

1. Solar energy
2. Natural gas
3. Hydro energy
4. Wind energy

The flow of charge that changes direction periodically is called:

1. Electric Potential (EP)
2. Electric Resistance (ER)
3. Alternating Current (AC)
4. Direct Current (DC)

The electricity we used in our homes and schools is called:

1. Electric Potential (EP)
2. Electric Resistance (ER)
3. Direct Current (DC)
4. Alternating Current (AC)