1) When is world water day celebrated ? a) 23 March b) 24 March c) 22 March d) All of these e) None of these 2) When is International Year of Freshwater Day celebrated ? a) 2004 b) 2003 c) 2005 d) None of these 3) -----------------is the process by which water changes from a liquid to a gas or vapor. a) condensation b) transpiration c) percipitation d) evaporation 4) ---------------------is the change of water from its gaseous form (water vapor) into liquid water. a) condensation b) evaporation c) precipitation d) transpiration e) none of these f) all of these 5) --------------------------------is the loss of water from a plant in the form of water vapor. a) transportation b) condensation c) precipitation d) transpiration 6) The process of seeping of water into the ground is called ------------------- a) aquifer b) infiltration c) ground water d) rain water harvesting e) bawris f) drip irrigation 7) At places the groundwater is stored between layers of hard rock below the water table. This is known as an a) infiltration b) aquifer c) none of these d) all of these e) a and b 8) Water in the aquifers can be usually pumped out with the help of------------------ a) wells b) tubewells c) handpumps d) tube wells and handpumps e) air pumps 9) The rainwater can be used to recharge the groundwater. This is referred to as a) water harvesting b) rain water harvesting c) none of these d) all of these e) a and b 10) ---------------was the traditional way of collecting water. a) infiltration b) bawris c) aquifer d) none of these 11) -------------- is a technique of watering plants by making use of narrow tubings which deliver water directly at the base of the plant a) infiltration b) aquifer c) transpiration d) drip irrigation

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