Class 6th Science Chapter – 9 Electricity and Circuits MCQ With Answer

(1) Which of the following statement is or are correct ?

A. Electricity is a very clean form of energy.
B. We use electricity to run many appliances on machines in our day to day life which make our work easier.
C. Electricity is produced at power stations which is also known as power plants.
D. All the above

Answer – (D) All the above

(2) The filament of an electric bulb is made of a thin wire of:

A. Copper
B. Aluminium
C. Tungsten
D. Nichrome

Answer – (C) Tungsten

(3) One of the following is a conductor of electricity. This one is:

A. Graphite
B. Granite
C. Ceramics
D. Thermocol

Answer – (A) Graphite

(4) A torch bulb will normally work on 4.5-volt electricity is connected to domestic electricity supply of 220 volts. Which of the following will happen to this torch bulb ?

A. It will grow very brightly
B. It will grow very dimly
C. It will not glow
D. It will get fused

Answer – (D) It will get fused

(5) In case of rechargeable batteries (such as the type used in mobile phones, cameras and inverters), they are used again and again. How ?

A. It has some special chemicals.
B. Passing a suitable current in the opposite direction.
C. After using they can be restored energy again.
D. All the above.

Answer – (D) All the above.

(6) The coloured plastic covering on electric wires makes the electric wire:

A. Long lasting
B. More attractive
C. Resistant to corrosion
D. Safe to touch

Answer – (D) Safe to touch

(7) Which of the following is not an insulator ?

A. Bakelite
B. Brass
C. Porcelain
D. Mica

Answer – (B) Brass

(8) The torch bulb does not glow in a complete circuit in which of the following is included. This one is:

A. Paper clip
B. Aluminium foil
C. Mica sheet
D. Pencil lead

Answer – (D) Pencil lead

(9) Electricity flows in an electric circuit which is:

A. Closed
B. Open
C. Round
D. Square

Answer – (A) Closed

(10) Paheli, is running short of connecting wires. To complete an electric circuit, she may use a:

A. Glass bangle
B. Thick thread
C. Rubber pipe
D. Steel spoon

Answer – (D) Steel spoon

(11) The part of a torch bulb which gives off light is the:

A. Glass
B. Filament
C. Base
D. Metal cover

Answer – (B) Filament

(12) Where do we get electricity from ?

A. Wire
B. Metal
C. Sun
D. Battery

Answer – (B) Metal

(13) One of the following is needed to run a radio. This is:

A. Heat
B. Electricity
C. Light
D. Petrol

Answer – (B) Electricity

(14) When electricity passes through a bulb it gives off:

A. Sound and light
B. Light only
C. Light and electricity
D. Light and heat

Answer – (D) Light and heat

(15) In the last year board examination, Rahul were asked a question where he had to choose the statement which was/were incorrect ? Will you be able to answer this question ?

A. When the filament or thin wire of a bulb gets broken, the bulb is said to be fused.
B. If we make a circuit using cotton threads or jute strings then the bulb will glow.
C. The switch is a simple device which is used to “open” or “close” a circuit
D. None of the above

Answer – (B) If we make a circuit using cotton threads or jute strings then the bulb will glow.