Practice the AP 7th Class Science Bits with Answers Chapter 4 Motion and Time on a regular basis so that you can attempt exams with utmost confidence.
AP State Syllabus 7th Class Science Bits 4th Lesson Motion and Time with Answers
Choose the correct answer.
Question 1.
Motion and rest are
A) absolute
B) fixed
C) relative
D) None
Answer:
C) relative
Question 2.
The girl on the bicycle is in in relation to the road.
A) rest
B) motion
C) oscillatory motion
D) rotatory motion
Answer:
B) motion
Question 3.
Motion of a mango falling from a tree is
A) oscillatory motion
B) translatory motion
C) at rest
D) rotatory motion
Answer:
B) translatory motion
Question 4.
Ringing of a bell is an example for
A) Rotatory motion
B) Translatory motion
C) Rectilinear motion
D) Oscillatory motion
Answer:
D) Oscillatory motion
Question 5.
A spinning top has
A) Translatory motion
B) Rotatory motion
C) Oscillatory motion
D) Rectilinear motion
Answer:
B) Rotatory motion
Question 6.
1 km/h = ………… m/s.
A) 18/5
B) 15/8
C) 5/18
D) 15/18
Answer:
C) 5/18
Question 7.
This goes fast
A) Air plane
B) Train
C) Bus
D) Car
Answer:
A) Air plane
Question 8.
Speedometer is not fixed for this.
A) Car
B) Scooter
C) Bus
D) Bicycle
Answer:
D) Bicycle
Question 9.
In uniform motion the distance is
A) Equal
B) Unequal
C) Zero
D) Maximum
Answer:
A) Equal
Question 10.
In non-uniform motion the body covers distances.
A) Equal
B) Unequal
C) Constant
D) Circular
Answer:
B) Unequal
Question 11.
Movement of housefly shows ………… motion.
A) Non – uniform
B) Rotatory
C) Linear
D) translatory
Answer:
D) translatory
Question 12.
Motion of needle in a running sewing machine shows
A) Oscillatory
B) Circular
C) Rotatory
D) All of these
Answer:
A) Oscillatory
Question 13.
Soldiers marching in a parade is
A) Straight line
B) Curved line
C) Oscillatory
D) Rotatory
Answer:
A) Straight line
Question 14.
Motion of the ball in pin board
A) Curvilinear
B) Rectilinear
C) Both A & B
D) Oscillatory
Answer:
C) Both A & B
Question 15.
A body moves in a fixed path and centre is called
A) Translatory
B) Rotatory
C) Circular
D) Oscillatory
Answer:
B) Rotatory
Question 16.
Motion of wheel of the sewing machine
A) Rotatory
B) Translatory
C) Linear
D) Oscillatory
Answer:
A) Rotatory
Question 17.
The basic unit of time is
A) Month
B) Second
C) Hour
D) Days
Answer:
B) Second
Question 18.
The speed is ………
A) Distance/time
B) Time/distance
C) Distance x Time
D) None of these
Answer:
A) Distance/time
Question 19.
The sticking machine shows the movements of
A) Oscillatory
B) Rotatory
C) Translatory
D) All
Answer:
D) All
Question 20.
In a sewing machine motion of cloth is
A) Linear
B) Rotatory
C) Circular
D) Oscillatory
Answer:
A) Linear
Question 21.
Units for measuring time
A) Days
B) Weeks
C) Hours
D) All of these
Answer:
D) All of these
Question 22.
Speedometer shows the distance travelled in
A) kilometers
B) meters
C) km/s
D) m/s
Answer:
A) kilometers
Question 23.
The needle of the speedometer explains
A) Velocity
B) Speed
C) Distance
D) Acceleration
Answer:
B) Speed
Question 24.
Name the instrument for measuring distance
A) Odometer
B) Speedometer
C) Altimeter
D) All of these
Answer:
A) Odometer
Question 25.
Total distance travelled / total time indicates
A) Speed
B) Velocity
C) Power
D) Average speed
Answer:
D) Average speed
Question 26.
Hand of clock, tape of tape recorder examples for motion.
A) Oscillatory
B) Translatory
C) Linear
D) Rotatory
Answer:
D) Rotatory
Question 27.
The correct rela tion between speed(v) distance(s) and time(t) is
A) v = s / t
B) v = t/s
C) v = s/2t
D) v = s x t
Answer:
A) v = s / t
Question 28.
One of the following is not showing oscillatory motion
A) Pendulum
B) Sewing needle
C) Cradle
D) Kite
Answer:
D) Kite
Question 29.
If a body covers equal distance in equal intervals it is
A) Rotatory
B) Uniform motion
C) Non-uniform motion
D) Oscilatory
Answer:
B) Uniform motion
Question 30.
If a body covers an equal distance in equal intervals of time it is
A) Uniform motion
B) Non-uniform motion
C) Rotatory motion
D) Oscilatory motion
Answer:
B) Non-uniform motion
Question 31.
Flying of kite in air shows
A) Non-uniform motion
B) Uniform motion
C) Rotatory motion
D) Oscilatory
Answer:
A) Non-uniform motion
Question 32.
Blades of ceiling fan show the motion of
A) Translatory
B) Oscilatory
C) Rotatory
D) Oscilatory
Answer:
C) Rotatory
Question 33.
If the translatory motion moves long straight line, it is
A) Rectilinear motion
B) Curvilinear motion
C) Rotatory motion
D) Oscilatory
Answer:
A) Rectilinear motion
Question 34.
Translatory motion moves long a curved path it is
A) Rectilinear motion
B) Curvilinear motion
C) Rotatory motion
D) Oscilatory motion
Answer:
B) Curvilinear motion
Question 35.
Movement of train on tracks is called
A) Rectilinear
B) Curvilinear
C) Rotatory
D) Oscilatory
Answer:
A) Rectilinear
Question 36.
Movement of needle in car speedometer is
A) Rectilinear
B) Curvilnear
C) Rotatory
D) Oscilatory
Answer:
B) Curvilnear
Question 37.
Motions of coins on a carrom board is
A) Rectilinear
B) Curvilnear
C) Both A and B
D) None
Answer:
C) Both A and B
Question 38.
Motion of earth around the Sun is
A) Translatory
B) Rotatory
C) Oscilatory
D) Both A and B
Answer:
D) Both A and B
Question 39.
A bouncing ball movement is
A) Rotatory
B) Curvilinear
C) Oscilatory
D) Rectilinear
Answer:
C) Oscilatory
Question 40.
Month, Season, Ayanam are the units for
A) Time
B) Speed
C) Mass
D) Weight
Answer:
A) Time
Question 41.
The basic unit of time is
A) Day
B) Hour
C) Second
D) Minute
Answer:
C) Second
Question 42.
Unit of speed in S.I system is
A) Meter/second
B) C.M/s
C) M/H
D) All
Answer:
A) Meter/second
Question 43.
Name the instrument shown in the rig
A) Barometer
B) Speedometer
C) Altimeter
D) Thermometer
Answer:
B) Speedometer
Question 44.
Name the instrument shown in the rig
A) Watch
B) Stopwatch
C) Speedometer
D) Alaram
Answer:
B) Stopwatch
Question 45.
The motion shown in the figure is
A) Rotatory
B) Oscilatory
C) Translatory
D) Curveior
Answer:
B) Oscilatory
Question 46.
Motion of a drill bit have
A) Translatory
B) Rotatory
C) Both A and B
D) Oscilatory
Answer:
C) Both A and B
Question 47.
In the figure the ball shows the movements of
A) Rotatory
B) Translatory
C) Oscilatory
D) Both A and B
Answer:
D) Both A and B
Question 48.
The movement of needle in the picture is
A) Rectilinear motion
B) Circulatory motion
C) Rotatory motion
D) Oscillatory motion
Answer:
D) Oscillatory motion
Question 49.
Motion of air cooler fan
A) Oscillatory motion
B) Rotatory motion
C) Translatory motion
D) Curvilinear motion
Answer:
B) Rotatory motion
Question 50.
Choose the right one.
i) A train runs from Visakhapatnam to Vijayawada. It covers distance of 420 km in 7hrs and next distance of 60 km in one hour.
ii) Gopi takes part in a car race. He drives a distance of 70 km each in time first, second and third hours. Which of the following statements is true?
A) i – is an example uniform motion and ii – is an example of non-uniform motion
B) i – is an example of non-uniform motion and ii – is an example of uniform motion
C) i and ii are examples of uniform motions
D) i and ii are examples of non-uniform motions
Answer:
D) i and ii are examples of non-uniform motions
Question 51.
Hari makes hypothesis about motion.
Which one is right hypothesis?
A) Movements of hands in watch is translatory motion.
B) Motion of a ringing bell is rotatory motion.
C) Motion in top is linear motion.
D) Movement of train on tracks is translatory motion.
Answer:
D) Movement of train on tracks is translatory motion.
Question 52.
John tied a stone to a string and whirled it around. What type of motion do you find in it?
A) Translatory motion
B) Oscillatory motion
C) Rotatory motion
D) Linear motion
Answer:
A) Translatory motion
Question 53.
Motion of an arrow from a bow is an example of …………
A) Translatory motion
B) Rotatory motion
C) Periodic motion
D) Oscillatory motion
Answer:
A) Translatory motion
Question 54.
Motion of the Earth around the Sunnis an example of ………..
A) Translatory motion
B) Periodic motion
C) Rotatory motion
D) Oscillatory motion
Answer:
B) Periodic motion
Question 55.
This type of motion is exhibited by the motion of a girl swinging on a
A) Translatory motion
B) Rotatory motion
C) Oscillatory motion
D) Periodic motion
Answer:
C) Oscillatory motion
Question 56.
The following is an example of a uniform motion
A) Translatory motion
B) Rotatory motion
C) Movement of a pendulum
D) Movement of the hands of a watch
Answer:
C) Movement of a pendulum