Explore topic-wise MCQs in 6th Class.

This section includes 2267 Mcqs, each offering curated multiple-choice questions to sharpen your 6th Class knowledge and support exam preparation. Choose a topic below to get started.

1551.

Which of the following is a type of magnet?

A. Camel shoe magnet    
B.        Donkeysho magnet
C.        Horseshoe magnet
D.        Leathereshoe magnet
E.        None of these
Answer» D.        Leathereshoe magnet
1552.

Fill in the blanks with a correct combination of words.      i      were discovered by an old    ii   named      iii   He had  a     iv      stick. The stick had an iron casing at its lower end which was attracted by a rock. This rock which behaved like a magnet was given the name v     .

A. i-Magnetite, ii-Cobbler, iii-Magnet, iv-Plastic, v-Magnes
B.        i-Magnes, ii-Painter, iii-Magnet, iv-Rubber, v-Magnetite
C.        i-Magnets, ii-Shepherded, iii-Magnes, iv-Wooden, v-Magnetite
D.        i-Magnets, ii-Cobbler, iii-Magnes, iv-Wooden, v-Magnetite
E.        None of these
Answer» D.        i-Magnets, ii-Cobbler, iii-Magnes, iv-Wooden, v-Magnetite
1553.

Regions of strongest magnetic attraction on a magnet are:

A. Centers                         
B.        North Pole
C.        South pole                    
D.        Both [b] and [c]
E.        None of these
Answer» E.        None of these
1554.

Which of the following is correct about brass? i.   Brass is an alloy. ii. Brass is a magnetic material. iii. Brass is a non-magnetic material. iv. Brass is used in making plastic bottles.

A. ii and iii                        
B.        i and ii
C.        i and iii       
D.        ii and iv
E.        None of these
Answer» D.        ii and iv
1555.

Steel is a magnetic material because:

A. It contains iron.
B.        It can attract a magnet.
C.        It can be converted into a magnet.
D.        All the above
E.        None of these
Answer» E.        None of these
1556.

Longer line on a battery symbol in a circuit drawn on paper represents the

A. Positive terminal       
B.                    Negative terminal
C.                    A bulb                        
D.        Resistance
E.        None of these
Answer» B.                    Negative terminal
1557.

Which of the following will allow electric current to pass through them?

A. Matchstick                    
B.        Plastic sheet
C.        Plane mirror      
D.        A steel tumbler
E.        None of these
Answer» E.        None of these
1558.

Choose the correct sequence for the given figure.

A. P-Metal tip, Q-Metal case, R-Filament, S-Thick wire
B.        P-Thick wire, Q-Metal tip, R-Filament, S-Metal case
C.        P-Filament, Q-Thick wire, R-Metal case, S-Metal tip
D.        P-Metal case, Q-Filament, R-Thick wire, S-Metal tip
E.        None of these
Answer» D.        P-Metal case, Q-Filament, R-Thick wire, S-Metal tip
1559.

Filament of an electric bulb refers to:

A. Metal tip                       
B.        Metal case
C.        Thin wire    
D.        Thick wire
E.        None of these
Answer» D.        Thick wire
1560.

In the given circuit which material should be placed between point X and Y to make the bulb glow?

A. A rubber band
B.        A plastic ruler
C.        A silver coin
D.        A wooden paper weight
E.        None of these
Answer» D.        A wooden paper weight
1561.

In which of the following figures a bulb will glow? (i) (ii)  (iii)      (iv)

A. (i) and (ii)          
B.        (ii) and (iii)
C. (iii) and (iv)       
D.        (ii) and (iv)
E. None of these
Answer» E. None of these
1562.

Which is the positive terminal in an electric cell?

A. Metal disc         
B. Metal base
C. Metal case      
D.        Metal cap
E. None of these
Answer» E. None of these
1563.

An electric cell has _____ terminals.

A. Two                 
B. Three
C. Four                             
D. No
E. None of these
Answer» B. Three
1564.

Match the following: Column A Column B (i) [A] Bulb (ii) [B] Battery (iii) [C] Cell (iv) [D] Switch

A. i\[\to \]C, ii\[\to \]D, iii\[\to \]A, iv\[\to \]B    
B. i \[\to \]D, ii\[\to \]C, iii\[\to \]A, iv\[\to \]D
C. i\[\to \]B, ii\[\to \]E, iii\[\to \]A, iv\[\to \]D      
D. i\[\to \]D, ii\[\to \]A, iii\[\to \]B, iv\[\to \]C
E. None of these
Answer» C. i\[\to \]B, ii\[\to \]E, iii\[\to \]A, iv\[\to \]D      
1565.

The above figure consists a:

A. A battery of two cells, a switch, a bulb
B. A single cell, a bulb, a switch
C. A battery of three cells, a bulb, a switch
D. A single cell, a bulb, a switch
E. None of these
Answer» D. A single cell, a bulb, a switch
1566.

What is the function of the component shown above?                     

A. It is used to connect the bulb to the other components in the circuit.
B. It provides the energy for the bulb to glow.                             
C. It can break a circuit, interrupting the current or diverting it from one conductor to another.              
D. It measures the current in a circuit.
Answer» D. It measures the current in a circuit.
1567.

Label the dry cell in the correct order.                

A. (i) Carbon and Manganese dioxide mixture, (ii) Carbon rod, (iii) Ammonium chloride               
B. (i) Carbon rod, (ii) Ammonium chloride, (iii) Zinc container                 
C. (i) Ammonium chloride, (ii) Zinc container, (iii) Carbon rod          
D. (i) Zinc container, (ii) Carbon rod, (iii) Carbon and Manganese dioxide mixture                          
Answer» D. (i) Zinc container, (ii) Carbon rod, (iii) Carbon and Manganese dioxide mixture                          
1568.

There is a mistake in the given classification table Non-conductor of electricity Conductor of electricity Wool Copper Cotton Brass Plastic Iron Cork Steel Graphite Silver Which of the following is placed incorrectly in the groups?                      

A. Wool               
B. Graphite         
C.        Iron                 
D. Silver                          
Answer» C.        Iron                 
1569.

To protect the user, part(s) ____ of the plug as shown in the figure must be made of electrical insulators.

A. P only             
B. R only             
C. R and S       
D.        Q and S                      
Answer» D.        Q and S                      
1570.

Which part of the bulb is an insulator?

A. P                                 
B. Q                    
C. R                                 
D. S                     
Answer» B. Q                    
1571.

Given diagram is a torch containing cells. The torch is not glowing when the switch is ON. Now, it is opened to know the reasons. Which of the following statements are correct regarding the reasons?       (i) Bulb of the torch is fused. (ii) Cells are not connected properly. (iii) The metal parts of the torch do not make proper contact with the cell.

A. Only (i) and (ii)
B. Only (ii) and (iii)
C. Only (i) and (iii)
D. All (i), (ii) and (iii)
Answer» E.
1572.

Manu connected three bulbs to a cell as shown in figure. She found that filament of bulb is broken. Which of the following statements is correct?

A. Only bulb R will glow.
B. Only bulb P will glow.
C. Both bulbs P and R will glow.
D. None of the bulbs will glow.
Answer» E.
1573.

In the given diagram, there are two switches \[{{S}_{1}}\] and \[{{S}_{2}}\] and two bulbs X and Y. If switch \[{{S}_{1}}\], is closed and switch\[{{S}_{2}}\] is open  then                             

A. Only bulb X will glow  
B. Only bulb Y will glow
C. Both bulbs X and Y will glow
D. Neither bulb X nor bulb Y will glow.
Answer» C. Both bulbs X and Y will glow
1574.

Direction: Observe the given figure and answer the following question. Which of the following statements is correct regarding the maximum brightness of the bulb used in the circuit?

A. A similar battery is connected between the probes in same order.
B. A similar battery is connected between the probes in reverse order.
C. A similar bulb is connected between the probes.
D. None of these
Answer» B. A similar battery is connected between the probes in reverse order.
1575.

Direction: Observe the given figure and answer the following question. The bulb will glow when a___ is placed in between the probes.                

A. Crayon                         
B. Comb              
C.         Key                  
D.          Piece of stone                    
Answer» D.          Piece of stone                    
1576.

Fuse is the most important safety device, used for protecting the circuits due to   

A. Short circuiting and overloading    
B. Overloading and earthing          
C. Earthing only                      
D. Short circuiting, overloading and earthing,                         
Answer» B. Overloading and earthing          
1577.

Nidhi has two bulbs connected across two cells in a simple circuit as shown. How can she make the bulbs glow dimmer?

A. Replace one cell with a piece of chalk.
B. Replace one cell with a piece of wire.
C. Replace one bulb with a piece of wire.
D. Replace one bulb with another cell.
Answer» C. Replace one bulb with a piece of wire.
1578.

"Do not handle electric wires with your bare hands. Wear rubber gloves," said Mr Gupta. Which of the following statements is not true about what Mr. Gupta commented?                        

A. You will get electrocuted if you handle live wires.
B. The rubber glove is a good insulator to protect us from electric shocks.
C. The rubber gloves control the electric current flow.
D. Electricity cannot flow through rubber.
Answer» D. Electricity cannot flow through rubber.
1579.

Study the classification carefully and select the correct option for X, Y and Z.                     

A. X Y Z Refrigerator Clock  Microwave                
B. X Y Z Music system    Washing machine Heater                
C. X Y Z Walkman    Table lamp  Electric kettle                
D. X Y Z Air   conditioner Heater  Hair drier
Answer» D. X Y Z Air   conditioner Heater  Hair drier
1580.

Which of the following statements are correct?                            (i) Human body is a good conductor of electricity.(ii) The air gap surrounding an electric circuit acts as a conductor.          (iii) Silver conducts electricity better than any other metal.(iv) When electricity lights up a bulb, no heat is produced. 

A. (i) and (ii)                   
B. (iii) and (iv)    
C. (i) and (iii)      
D. (ii) and (iii)
Answer» D. (ii) and (iii)
1581.

Look at the given figure. It consists of a cell, a bulb with the two terminals X and Y and wires with ends P and 0; and S and R. The direction of current will be        

A. PQRS             
B. SRQP                         
C. PRQS             
D. SQRP.            
Answer» B. SRQP                         
1582.

 The diagram shows identical lamps X and Y connected in series with a battery. The lamps light with normal brightness.  If a third lamp Z is connected in parallel with lamp X, then what will happens to the brightness of the lamp V?                     

A. Brighter than normal              
B. Normal            
C. Dimmer than normal             
D. Very dim (cannot be seen)        
Answer» B. Normal            
1583.

Which of the following energy conversions take place in a torch?

A.  Electrical \[\to \] chemical \[\to \] light
B.  Chemical \[\to \] electrical \[\to \] light
C.  Electrical \[\to \] light \[\to \] chemical
D.  Light \[\to \] chemical \[\to \] electrical
Answer» C.  Electrical \[\to \] light \[\to \] chemical
1584.

Which of the following does NOT conduct electricity?

A.  Aluminium
B.  Salt solution
C.  Ceramic articles
D.  Silver
Answer» D.  Silver
1585.

Why are the electric wires used in homes usually covered with materials like plastic or rubber?

A.  To prevent rusting
B.  To make handling easier
C.  To prevent shock and short circuits
D.  To make them look beautiful
Answer» D.  To make them look beautiful
1586.

Electric heaters used for cooking have a filament or a heating co placed on a plate made up of clay. Why is this so? (i) It is a bad conductor of heat. (ii) It is a bad conductor of electricity. (iii) It is porous.

A.  Only (i) and (ii)
B.  Only (ii) and (iii)
C.  Only (i) and (iii)
D.  (i), (ii) and (iii)   
Answer» B.  Only (ii) and (iii)
1587.

Look at the figure given below. What do you observe when the switch is closed?

A.  The bulb lights up.
B.  Electrical energy is converted into sound energy.
C.  The bulb does not glow.
D.  Light energy is converted into heat energy.
Answer» B.  Electrical energy is converted into sound energy.
1588.

What is the filament of an electric bulb '   usually made up of?

A.  A thin wire with many coils
B.  A thick wire with many coils
C.  A thin straight wire
D.  A thick straight wire
Answer» B.  A thick wire with many coils
1589.

Tube lights are preferred to bulbs mainly because

A.  bulbs give more light.
B.  bulbs are cheaper.
C.  bulbs get fused easily/frequently.
D.  bulbs produce shadows.
Answer» E.
1590.

What is the source of electricity in the satellites?

A.  Dry cells
B.  Dynamos
C.  Solar cells           
D.                    Accumulators                   
Answer» D.                    Accumulators                   
1591.

Look at the circuit given below. It consists of a cell, a bulb with two terminals X, Y and wires. P, Q, R and S are positions marked. What is the direction of the flow of current?

A.  PQRS                                   
B.  PSRQ   
C.         PRQS                   
D.         SQRP
Answer» B.  PSRQ   
1592.

The figure shows an electric circuit made up of a battery and a bulb. Which of the following is the correct sequence of the directions of current at X,Y and Z?                

A. X Y Z \[\uparrow \] \[\downarrow \] \[\uparrow \]      
B. X Y Z \[\downarrow \] \[\uparrow \] \[\downarrow \]      
C. X Y Z \[\to \] \[\leftarrow \] \[\to \]      
D. X Y Z \[\leftarrow \] \[\to \] \[\leftarrow \]      
Answer» E.
1593.

The bulb in a circuit glows when electric current

A.  flows through its filament.
B.  flows through the glass covering.
C.  stops flowing to the bulb.
D.  flows into the air through the bulb.        
Answer» B.  flows through the glass covering.
1594.

Identify the symbols of electrical components used in the construction of the given electric circuit.

A. X Y Z Switch Cell Bulb      
B. X Y Z Battery Cell Bulb      
C. X Y Z Battery Switch Bulb      
D. X Y Z Switch Cell Battery
Answer» D. X Y Z Switch Cell Battery
1595.

Look at the figure shown below. Why is sealing wax filled in the space between the terminals of a bulb?

A.  To prevent the escape of air inside the bulb
B.  To prevent the contact between the two terminals
C.  To have a better contact of terminals with one another
D.  To give support to the supporting wires holding the filament
Answer» C.  To have a better contact of terminals with one another
1596.

Why doesn't a bulb glow even if the correct connections are made? (i) Battery is dead. (ii) Filament is broken. (iii) Switch is closed.

A.  Only(i)       
B.  Only(ii)
C.  Only(iii)      
D.  Only (i) and (ii)
Answer» E.
1597.

Most of the electricity carrying wires along the roads do not have a plastic covering like the wires used at homes. But why is there no substantial loss of energy?                             

A.  Air is not affected by gravity.         
B.  Air is a bad conductor of electricity.
C.  Electricity flows very fast near highways.
D.  Current rating is high near highways.
Answer» C.  Electricity flows very fast near highways.
1598.

Which of these will generate electric current when kept in sunlight but not in the dark?

A.  Dry cell                               
B.  Car battery       
C.         Button cell    
D.         Solar cell
Answer» E.
1599.

Which of these are good electrical insulators?

A.  Graphite, wood, rubber
B.  Rubber, glass, wood
C.  Pure water, wood, silver
D.  Copper, iron, silver
Answer» C.  Pure water, wood, silver
1600.

Why do electricians wear gloves made of rubber?

A.  It is soft.
B.  It is water proof.
C.  It is an insulator.
D.  It is inexpensive.
Answer» D.  It is inexpensive.