Question

7.Which is a biotic component of environment? ( )

a.Plants b.Animals c.Microorganisms d.All of these

8.Which of the following does not express a time interval? ( )

a.A day

b.A second

c.A school period

d.Time of the first bell in the school

9.How was length measurememt done in ancient times? ( )

a. using a metre scale

b. using human body parts

c. using animal body parts

d. measurement were not done at all

10.The direction of movement remains same in: ( )

a.periodic motion

b. rotational motion

c. curvilinear motion

d. rectilinear motion

11.Which Of The Following Type Of Motion Are Possessed By A Football Rolling On The Ground?

( )

a.Rotational motion and Rectilinear motion

b.Rectilinear motion and Circular motion

c.Rotational motion and Circular motion

d.Rectilinear motion and Periodic motion

12.Which type of motion is exhibites by a giant wheel? ( )

a. translational b. circular c.vibrational d.randaom

13.What will be the state of a passenger with respect to the driver of the train? ( )

a.rest b. motion c. both a & b d. none

14.For getting an accurate measurement with a scale, the position of eye: ( )

a.should be at an angle to the ‘0’-mark of scale​

Answer 1

Answer:

7.d

8.d

9.c

10.a

11.a

12.b

13.a