Q3 of 61 Page 1

Water is a valuable resource. List two ways that you would suggest every family member to save this resource.

The two ways that I would suggest every family member to save this resource are as following:

(i) Avoiding the wastage of water and closing the taps when not in use.


(ii) Reusing the water from washed clothes for watering the plants, for cleaning the floor etc.


More from this chapter

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1

Write the number of vertical columns in the modern periodic table. What are these columns called?

 2

Give the respective scientific terms used for studying:

(i) the mechanism by which variations are created and inherited and


(ii) the development of new type of organisms from the existing ones.

 4

List four advantages of vegetative propagation.

 5

Draw a ray diagram to show the path of the reflected ray corresponding to an incident ray which is directed towards the principal focus of a convex mirror.Mark on it the angle of incidence and the angle of reflection.