question_answer

Study the given picture (a) and  (b)  answer the following questions :  

(i) Name the two ways in which recharge of water is done.

(ii) Describe how rooftop rainwater harvesting is done?

 

Answer:

(i) The two ways of recharging the groundwater are:

(a) Through hand pump and

(b) Through abandoned dug well.

(ii)  (a) Rooftop rainwater is collected through PVC pipes.

(b) It is filtered using sand and bricks.

(c) The underground pipe take this water to the sump,

(d) Excess water from the sump is taken to the well.

(e) The water from the well recharges the underground.

(f) Take water from the well for use.