User Forum

Subject :NSO    Class : Class 6

Equal sized square pieces of three different fabrics X, Y and Z were taken and spread out on a floor. Three small similar metal balls were each rolled with equal force from one end diagonally to the other end of fabric piece. Time taken by the balls to reach other end of fabric was noted to be as follows:


Now, select the correct option regarding this.

AFabric Z can be obtained from seeds of a plant and fabric Y can be obtained from stem of a plant.
B Fabric Z can be obtained from the stem of a plant and fabric Y can be obtained from larva of an animal.
CFabric Y can be obtained from the fur of an animal and fabric X can be obtained from larva of an animal.
DFabric Y can be obtained from the fur of an animal and fabric Z can be obtained from larva of an animal.


Correct answer is BBecause Z should be a little rough and Y (silk) should be the smoothest

Ans 1:

Class : Class 7
The answer should be BBecause Z should be rough and Y should be the smoothest (silk)

Ans 2:

Class : Class 7

Post Your Answer