NCERT Science Class 10 Chapter 15 Sources of Energy CBSE Board Sample Problems Multiple Choice Question

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Question

Which of the following is not a bio mass energy source?

1. Gobar gas

2. Coal

3. Wood

4. Nuclear energy

Question

Radiations which are harmful to the living organisms are

1. Infrared radiation.

2. Ultraviolet radiations

3. Visible radiation.

4. Micro waves

Question

A solar cooker may not cook food if.

1. Interior of the box and the container of food are perfectly shining.

2. Glass sheet over the box is not closed.

3. Solar cooker is placed in the shade.

4. All the above.

Question

To produce biogas in a biogas plant, we need

1. Air but not water

2. Water but not air

3. Air and water

4. Neither air nor water

Question

Is a Greenhouse gas.

1. Oxygen

2. Carbon dioxide

3. Sulphur dioxide

4. Hydrogen

Question

Which of the following is a renewable source of energy?

1. Coal

2. Natural gas

3. Wind

4. Petrol

Question

Source of vast energy of the Sun is

1. Nuclear fusion of hydrogen nuclei into helium along with release of energy

2. Nuclear fission of uranium nuclei along with release of energy

3. Combustion of fossil fuels leading to release of energy

4. Both fission as well as fusion processes taking place simultaneously

Question

In a gobar gas plant bio-gas ¡s produced from slurry of bio-mass by

1. Fractional distillation

2. Chemical decomposition in the presence of air

3. Anaerobic decomposition

4. Fermentation on heating

Question

Which material is used to design solar cells?

1. Silicon

2. Silver

3. Carbon

4. Aluminium

Question

Which of the following is normally used in solar cookers for trapping solar energy?

1. Solar panels

2. Silicon cells

3. Mirrors

4. All of the above

Question

Which is the most popular kitchen fuel in India?

1. LPG

2. Kerosene

3. Coal

4. Firewood

Question

Which method is used to produce electricity in hydroelectric power plant?

1. By boiling the water to produce steam

2. By ionizing water

3. By running dynamo by kinetic energy

4. Any of the above

Question

Geothermal energy is feasible in the regions that:

1. Are near to sea

2. Are over hot spots in the crust

3. Have coal mines

4. Have thermal plants

Question

Greenhouse gas is:

1. Oxygen

2. Carbon Dioxide

3. Helium

4. Hydrogen