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.

401.

A rider on horse falls back when horse starts running all of a sudden because

A. Rider is taken back
B. Rider is suddenly afraid of falling
C. Inertia of rest keeps the upper part of body at rest while lower part of the body moves forward with the horse
D. Inertia of motion keeps the upper part of body at rest while lower part of the body moves forward with the horse.
Answer» D. Inertia of motion keeps the upper part of body at rest while lower part of the body moves forward with the horse.
402.

Height of a boy is 2 metres and 9 centimetres. Convert his height into decimetre.        

A. 1.65 dm                       
B. 20.9 dm
C. 165 dm            
D. 17.9 dm
E. None of these
Answer» C. 165 dm            
403.

Without these two, a measurement is incomplete:

A. Size and unit      K         
B. Unit and number
C. Size and number
D.        Shape and size
E. None of these
Answer» C. Size and number
404.

______ of measurement is a definite magnitude of quantity.

A. Symbol                        
B. Unit
C. Fraction                        
D. Whole
E. None of these
Answer» C. Fraction                        
405.

In which of the following types of motion an object moves such that distance from a fixed point remains the same?

A. Translatory motion
B. Rectilinear motion
C. Circular motion
D. Curvilinear motion
E. None of these
Answer» D. Curvilinear motion
406.

Thermometer used to measure body temperature of human body is a:

A. Laboratory thermometer
B. Clinical thermometer
C. Measuring tape
D. Sand glass
E. None of these
Answer» C. Measuring tape
407.

Which among the following is included in international system of units?

A. Metre               
B. Kilogram
C. Second                 
D.        All the above
E. None of these
Answer» E. None of these
408.

\[25\,c{{m}^{3}}\] is equal to ????? ml.

A. 25        
B. 50
C. 75                    
D. 100
E. None of these
Answer» B. 50
409.

The motion that repeats itself at regular intervals of time is:

A. Non-uniform motion       
B. Circular motion
C. Periodic motion   
D.    rectilinear motion
E. None of these
Answer» D.    rectilinear motion
410.

Which instrument should be used by Raj at to conveniently measure the length of his room's wall?

A. Barometer         
B. Measuring tape
C. Small ruler        
D.        Vernier caliper
E. None of these
Answer» C. Small ruler        
411.

Which of the following is not a non-standard unit of measurement?

A. Metre               
B. Foot span
C. Hand span        
D. Cubit
E. None of these
Answer» B. Foot span
412.

Motion of a flying bird is a:

A. Periodic motion
B. Circular motion
C. Non-uniform motion
D. Rotational motion
E. None of these
Answer» D. Rotational motion
413.

A piece of thread folded 6 times is placed along a 15 cm long measuring scale as shown in the figure. The length of the thread is between

A. 0.15-0.50 m  
B. 0.50m-1.0m
C.                    1.0m-1.5m   
D.        1.5m-2.0m
Answer» C.                    1.0m-1.5m   
414.

Given figure shows a measuring cylinder (in\[c{{m}^{3}}\]) before and after the immersion of an irregular solid object. The volume of the object is

A. \[82\text{ }c{{m}^{3}}\]                 
B. \[12\text{ }c{{m}^{3}}\]     
C.        \[\text{30 }c{{m}^{3}}\]       
D.        \[\text{18 }c{{m}^{3}}\]
Answer» C.        \[\text{30 }c{{m}^{3}}\]       
415.

A pendulum swings backwards and forwards passing through Y, middle point of the oscillation.     The first time the pendulum passes through Y, a  stopwatch is started.   The twenty-first time the pendulum pass through Y, the stopwatch is stopped. The reading is T.What is the time period of the pendulum?

A. 7740               
B. 7721   
C. 7720           
D. 7710
Answer» E.
416.

A truck is moving with a uniform speed of 40 km/h. Which of the following graphs is showing the speed of truck?  

A.             
B.      
C.                  
D. None of these
Answer» C.                  
417.

Two identical metal balls A and 8 moving in opposite directions with different speeds hit each other at point X as shown in the figure. Changes will most likely appear in their 1.  Shapes2.  Speeds3.  Directions4.  Volumes 

A. 1 and 3           
B. 2 and 3           
C. 2 and 4       
D. 1, 2 and 3
Answer» C. 2 and 4       
418.

While measuring the length of a wooden box, the reading at one end is 1.5 cm and the other end is 4.7 cm. What is the length of the wooden box?

A. 4.7cm             
B. 1.5cm 
C.        3.2 cm        
D.        6.2 cm
Answer» D.        6.2 cm
419.

Example of periodic motion is:

A. Motion of a boy running in a park.
B. Motion of a car on road.
C. Motion of a pendulum.
D. Motion of train.
E. None of these
Answer» D. Motion of train.
420.

One gram has been divided into 1000 equal parts, each part is equal to:

A. One decigram                
B. One kilogram
C. One milligram      
D. One centigram
E. None of these
Answer» D. One centigram
421.

Direction: Observe the given situation and answer the following question. Rahul and Ravi are playing in a ground. They start running from the same point X simultaneously in the ground and reach point Y at the same time by following paths marked 1 and 2 respectively, as shown in the figure.Which of the following is correct statement for the given situation?

A. Rahul covers a longer distance with a lower speed.
B. Rahul covers a longer distance with a higher speed.
C. Rahul and Ravi both cover different distances with same speed.
D. Ravi covers a shorter distance with higher speed.
Answer» C. Rahul and Ravi both cover different distances with same speed.
422.

Which of the following is not an example of rotational motion?

A. Movement of moon on its axis.
B. Movement of earth on its axis.
C. Movement of a person on the road.
D. Movement of blades of a fan.
E. None of these
Answer» D. Movement of blades of a fan.
423.

A car covers a distance of 40 km in first hour and 50 km in the second hour. Which type of motion is this?

A. Uniform motion
B. Non-uniform motion
C. Periodic motion
D. Rotational motion
E. None of these
Answer» C. Periodic motion
424.

100 decimetres = _____ centimetres

A. 10 centimetres               
B. 1000 centimetres
C. 100 centimetres  
D.        10000 centimetres
E. None of these
Answer» C. 100 centimetres  
425.

Direction: Observe the given situation and answer the following question. Rahul and Ravi are playing in a ground. They start running from the same point X simultaneously in the ground and reach point Y at the same time by following paths marked 1 and 2 respectively, as shown in the figure.  Which one of the following paths does show the displacement?

A. XY                              
B. XOY   
C. XOYX        
D. XYO
Answer» B. XOY   
426.

Four pieces of wooden sticks P, Q, R and S are placed along the length of 15 cm long scale as shown in figure. What is the average length of these sticks?

A. 2.0 cm            
B. 2.5 cm
C.        2.6 cm        
D.        2.9 cm
Answer» D.        2.9 cm
427.

Which of the following is used to measure the length of a curved surface?

A.  Only a metre scale
B.  Only a thread
C.  Both the metre scale and the thread
D.  Only a graph paper
Answer» D.  Only a graph paper
428.

A cyclist moves from a certain point P and goes round a circle of radius a and reaches Q, exactly at the other side of the point P as shown in figure. The displacement of the cyclist would be                    

A. \[\pi a\]                        
B. \[2\pi a\]               
C.                    2a                
D.        \[2\pi /a\]                     
Answer» D.        \[2\pi /a\]                     
429.

Read the given statements and select the correct option,                        Statement 1: The displacement of a body may be zero, though distance can be finite.                             Statement 2: If a body moves such that finally it arrives at initial point, then displacement is zero while distance is finite.

A. Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.                   
B. Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.        
C. Statement 1 is true and statement 2 is false.                          
D. Statement 1 is false and statement 2 is true.                                
Answer» B. Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.        
430.

Find the length of the object in the figure given below.

A.  3.4 units      
B.                   3.2 units         
C.       3.5 units      
D.                   3.3 units
Answer» C.       3.5 units      
431.

On what factors does the choice of a length-measuring device depend?

A.  The type of measurement
B.  The type of device
C.  The type of surface
D.  The type of metric system
Answer» B.  The type of device
432.

Which of the given figures show periodic motion?

A.  Q and S     
B.                   P and Q         
C.       Q and R     
D.                   R and S
Answer» B.                   P and Q         
433.

What fraction of a metre is 1 mm?

A.  Thousand   
B.                   Hundred        
C.       Thousandth  
D.       Hundredth                 
Answer» D.       Hundredth                 
434.

The given figure shows the positions of the eye while measuring the length on the ruler. Which of the given positions of the eye are inaccurate techniques?

A.  P and Q     
B.                   Q and R         
C.  R and P         
D.       P, Q and R
Answer» B.                   Q and R         
435.

Varun strikes a drum which starts vibrating. Identify the motion it exhibits.

A.  Oscillatory                 
B.  Rotatory
C.  Translatory   
D.  Both (b) and (c)
Answer» B.  Rotatory
436.

The thickness of a dozen coins on a metre scale was found to be 18 cm. What is the thickness of one coin?

A.  15 cm
B.       1.2 cm
C.       1.8 mm          
D.       15 mm
Answer» E.
437.

The length of a metre is divided into 100 equal parts. What will be the value of each part?

A.  One decimeter
B.  One millimeter
C.  One centimetre
D.  One kilometre
Answer» D.  One kilometre
438.

Which of the following show movements without changing their place? (i) The hands of a clock (ii) The opening and closing of flowers (iii) A flying bird            

A.  Only (i) and (ii)
B.  Only (ii) and (iii)
C.  Only (i) and (iii)
D.  All the three
Answer» B.  Only (ii) and (iii)
439.

The length of a tube is 5643 mm. What would be its length when expressed in S.I. units?

A.  5 m    
B.       56 cm
C.       5.3 m
D.       5.643 m
Answer» E.
440.

Which of the following is in the increasing order of magnitude of length/distance?

A.  m, cm, km, mm
B.  mm, cm, m, km
C.  cm, mm, m, km
D.  mm, m, cm, km
Answer» C.  cm, mm, m, km
441.

Which of the following is NOT the correct measurement of S.I. unit?

A.  5 m of cloth
B.  20 seconds of time
C.  Surface area of 25 cm2
D.  2 kg of cooking oil
Answer» D.  2 kg of cooking oil
442.

Which of the following is NOT a characteristic of a standard unit?

A.  It should be of convenient size.
B.  It should not change with respect to space and time.
C.  It should be perishable.
D.  It should be easily reproducible.
Answer» D.  It should be easily reproducible.
443.

Which unit is used to measure distances between cities?

A.  Kilometre    
B.                   Metre 
C.                   Centimetre  
D.                   Millimetre
Answer» B.                   Metre 
444.

Which type of motion is undergone by the seconds hand of a clock?

A.  Non-periodic
B.       Rotatory         
C.       Translatory   
D.       Curvilinear                 
Answer» C.       Translatory   
445.

Anils father has three different wires. J : 12 cm K : 2.8m L : 203 mm Which of the following options shows the arrangement of the wires from the longest to the shortest?

A.  K\[\to \] J\[\to \]L  
B.  K \[\to \] L\[\to \]J
C.  J \[\to \] L\[\to \] K  
D.  L \[\to \] J \[\to \]K
Answer» C.  J \[\to \] L\[\to \] K  
446.

What type of motion does a rolling ball exhibit on the ground?

A.  Rotatory motion
B.  Translatory motion
C.  Periodic motion
D.  Both (a) and (b)
Answer» E.
447.

Which of the following is a standard unit of measurement?

A.  Cubit             
B.       Hand span     
C.       Metre             
D.       Palm span                  
Answer» D.       Palm span                  
448.

A boy plucked the string of a violin. Which type of motion does it exhibit?

A.  Rectilinear    
B.  Circular
C.  Vibratory     
D.  Both (b) and (c)
Answer» D.  Both (b) and (c)
449.

Which of the following is NOT exhibited by a rotating fan?

A.  Circular motion
B.  Rotatory motion
C.  Periodic motion
D.  Rectilinear motion
Answer» E.
450.

Which of the following exhibits rotatory motion but not translatory motion?

A.  A ball delivered by a spin bowler
B.  A drill that bores a piece of wood
C.  A spinning wheel
D.  The rear wheel of a moving bicycle
Answer» D.  The rear wheel of a moving bicycle