CHAPTER16 : WATER : A PRECIOUS RESOURCE
I Fill in the blanks:
1. The process of seeping of water into the ground is called ---------------
2. Water in the aquifers can be usually pumped out with help of __________ or _______________.
3. _____________ was the traditional way of collecting water.
4. Shortage of ___________ has become a matter of concern.
II Write True or False:
1. Celebration of water day is to attract the attention of everybody towards the importance of conserving water.
2. 76% of the earth’s surface is covered with water.
3. Glaciers are the solid form of water.
4. Excessive rains cause droughts whereas the absence of rains results in floods.
III Define : 1. Drip irrigation.
IV Diagram: Ground water and Water table.
SOLUTIONS
I (i) infiltration (ii) tubewells and handpumps (iii) Bawris (iv) water
II (i) T (ii) F (iii) T (iv) F
III. It is a technique of watering plants by making use of narrow tubings which deliver water directly at the base of the plant.
IV.
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