Question

1) Choose the most appropriate answer:
1. How much of the earth's surface is covered with water?
a) About two-thirds
c) about three-fourths
b) Exactly three-fourths
d) about one-fourth
2.
Which of the following processes in the human body needs the presence of water?
a) Digestion
c) transport of nutrients
b) Excretion
d) all of these
3. Rainwater harvesting means
a) Harvesting of crops during rains
b) Using rainwater to add to undergo water
c) storing rainwater in tanks
d) both b) and c)
4. Water in seas cannot be used because of .....
a) Problems of transporting it to land
b) High salt content
c) pollution
d) high nitrogen content
5. Which of the following does rainwater contain?
a) Dissolved salts
c) dissolved gases
b) Sewage
d) pesticides
6. Which of these changes occur on heating water?
a) Water to ice
c) water to water vapour
b) Water vapour to water
d) all of them
7. Plants regulate their temperature by ......
a) Transpiration
b) Photosynthesis
c) respiration
d) perspiration
8. About 97% of the water on the earth is
a) Salt water
b) Polluted water
c) pure water
d) drinking water
..
9. Water cycle is a ........
a) Continuous process
b) Non-continuous process
c) drinking process
d) non-cyclic process​

Answer 1

Question1
C part


Question2
D part


Question3
D part


Question4
B part


Question5
D part


Question6
D part


Question7
D part


Question8
A part


Question9
A part




Hop you like it


Make me the brainliest
Please
Please
Please
Please
Please
Please
Please
Please
Please
Please













Thanks