Class 7 Science Chapter 9 MCQ (Multiple Choice Questions) of Motion and Time updated for new academic session 2024-25. As all knows that MCQs are now an important part of question papers recommended by CBSE. That is why, we have prepared the MCQ based on all the topic of the chapter 9 of class 7 science. Practice these questions for not only to score good marks but to understand the concepts also.

Class 7 Science Chapter 9 MCQ for 2024-25

Class: 7Science
Chapter: 13Motion and Time
Contents:MCQ with answers and Explanation

MCQ Tests with Answers for Class 7 Science Chapter 13

Q1

Consider the following statements and choose the incorrect one:

[A]. The symbols of all units are written in singular.
[B]. Shadow of an object is shortest at noon.
[C]. Roman used sand clocks to measure time.
[D]. A nanosecond is one-millionth of a second.
Q2

Which of the following statement is or are incorrect?

[A]. The movement of an objects is called stationary-motion.
[B]. The movement or duration in which things occurs is called time.
[C]. An object is said to be in motion or moving when its positions changes with time.
[D]. When the position of car changes with, we say that car is moving or that the car is in motion.
Q3

A bus travel 54 km in 90 minutes. The speed of the bus is:

[A]. 0.6 m/s
[B]. 10 m/s [C]
[C]. 5.4 m/s
[D]. 3.6 m/s
Q4

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

[A]. The unit of speed depends upon the unit of distance and the unit of time used.
[B]. The speed of an object can be calculated by dividing the “distance travelled” by the object, by the “time taken” to travel this distance.
[C]. The “distance traveled” divided by “time taken” actually gives us “average speed” of the car during that time.
[D]. All the above
Q5

If we denote speed by S, distance by D and time by T, the relationship between these quantities is:

[A]. S = D x T
[B]. T = S/D
[C]. S = 1 x D/ T
[D]. S = T/D
Q6

In a science quiz competition, Payel are asked a question where she had to choose the statement which was/were correct?

[A]. If we have to compare the speeds of a number of objects, then we must express the speed of all those objects in the same units.
[B]. An instrument on a vehicle dashboard which indicates the speed of the vehicle when it is running is called speedometer.
[C]. An odometer it is an instrument for measuring the distance travelled by a vehicle.
[D]. All the above
Q7

A simple pendulum takes 32 s to complete 20 oscillations. What is the time-period of this pendulum?

[A]. 1.6 s
[B]. 2.6 s
[C]. 3.6 s
[D]. 4.8 s
Q8

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]. The variation of distance travelled by an object with time can be seen more easily from a distance time graph than table form.
[B]. A bar graph is a diagram which shows information as bars of different heights.
[C]. A pie chart is a kind of graph or diagram which shows the percentage composition of something in the form of slices of a circle.
[D]. None of the above
Q9

A sprinter or a fast runner attains a maximum speed of 10 meter per second. What we will be his speed in kilometer per hour?

[A]. 36 km/h
[B]. 46 km/h
[C]. 76 km/h
[D]. 60 km/h
Q10

Consider the following statements and choose the correct one:

[A]. Time is a moment or duration in which things occur.
[B]. In ancient times, people used some natural events which repeated regularly after fixed time, intervals to measure time.
[C]. A sundial measures time by the position of the shadow cast by the sun.
[D]. All the above
Q11

In a quiz competition, you are asked a question where you have to choose the statement which is/ are incorrect?

[A]. Very accurate measurement of time is now possible by using quartz clocks and watches.
[B]. The smallest time interval that can be measured with commonly available clocks and watches is 1 second.
[C]. The clocks and watches used in sports meets can measure time intervals that are one-tenth of a second or one-hundredth of a second.
[D]. None of the above
Q12

Which of the following cannot be used for the measurement of time?

[A]. A leaking tap
[B]. Simple pendulum
[C]. Shadow of an object during the day
[D]. Blinking of eyes
Q13

Falcon is a bird which flies with a maximum speed of 320 km per hour. Calculate its speed in meter per second:

[A]. 118.8 m/s
[B]. 98.8 m/s
[C]. 60 m/s
[D]. None of the above
Q14

The instrument installed in a car for measuring the distance travelled by the car is called.

[A]. Barometer
[B]. Speedometer
[C]. Anemometer
[D]. Odometer
Q15

The composition of air can be best represented by drawing a

[A]. Pie chart
[B]. Bar graph
[C]. Line graph
[D]. Histogram
Q16

Which of the following could not be a unit of speed?

[A]. km/h
[B]. s/m
[C]. m/s
[D]. mm/s
Q17

The slope of a distance-time graph of a moving object indicates:

[A]. Distance moved by the object
[B]. Time taken by the object
[C]. Speed of the object
[D]. Positions of the object
Q18

The regular vibration of which of the following electrically driven crystals are used for measuring time very accurately.

[A]. Calcite crystals
[B]. Quadric crystals
[C]. Chrome crystals
[D]. Quartz crystals
Q19

Which among the following is the smallest unit of time?

[A]. Second
[B]. Millisecond
[C]. Nanosecond
[D]. Microsecond
Q20

A student draws a distance time graph for a moving scooter and finds that a section of the graph is a horizontal line parallel to the time axis. Which of the following conclusion is correct about the section of the graph?

[A]. The scooter has uniform speed in this section
[B]. The distance travelled by scooter is the maximum in the section
[C]. The distance travelled by the scooter is the minimum in the section
[D]. The distance travelled by the scooter is zero in the section
Q21

Which of the following is the most appropriate to demonstrate the runs scored in the various overs of a cricket match?

[A]. Time graph
[B]. Bar graph
[C]. Pie chart
[D]. Line graph
Q22

The clocks and watches which are used for measuring time are based on:

[A]. Rectilinear motion
[B]. Circular motion
[C]. Periodic motion
[D]. Rotational motion
Q23

Which of the following is the most appropriate unit for expressing the speed of a snail?

[A]. km/s
[B]. m/s
[C]. cm/s
[D]. mm/s
Q24

Which of the following should be drawn to show the variation of the weight of a man with age?

[A]. Bar graph
[B]. Pie chart
[C]. Line graph
[D]. Histogram
Q25

A man riding a scooter travels a distance of 70 meters in 20 seconds. What is the speed of the scooter?

[A]. 2.5 m/s
[B]. 3.5 m/s
[C]. 4.5 m/s
[D]. 50 m/s

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Last Edited: June 13, 2023