Q.1: About ________ of the Earth is covered with water.
Q.2: The process of changing of water into water vapour is known as ___________.
Q.3: ___________ gets added to air by evaporation and transpiration.
a) Water vapour
Q.4: Excessive rains may cause ____________.
Q.5: The circulation of water between ocean and land is known as __________.
a) water cycle
b) water process
c) water transfer
Q.6: Collecting rainwater and storing it for future use is known as __________________.
a) rainwater storage
b) rainwater harvesting
c) rainwater collecting
Q.7: What will happen if it does not rain for a long period ?
a) Soil will become dry.
b) Level of water in ponds will rise.
c) Plenty of food and fodder will be available.
Q.8: The process of returning of water to the land as hail, snow or rain is known as ___________.
Q.9: The sowing of many crops depend on the arrival of ________.
Q.10: Which of the statements are true about the drought condition ?
i) The crops will get submerged.
ii) The water level in ponds, wells, rivers, etc will go down.
iii) Water borne diseases will spread.
a) i and ii
b) i and iii