| 1 |
Water purification methods are. |
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| 2 |
Liquid water turns into vapours by plant is called. |
- A. Transpiration
- B. Infiltration
- C. Sublimation
- D. Runoff
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| 3 |
The water absorbed by earth by the process called. |
- A. Runoff
- B. Precipitation
- C. Infiltration
- D. Evaporation
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| 4 |
The cheapest water purification method is |
- A. Filtration
- B. Distillation
- C. Chlorination
- D. Boiling
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| 5 |
There are oceanin the world. |
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| 6 |
----------------- is made from food scraps and animal waste. |
- A. Sui gas
- B. Biowater
- C. Biogas
- D. None
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| 7 |
Theworld's liquid is found below ground. |
- A. 25%
- B. 30%
- C. 35%
- D. 40%
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| 8 |
In ........... water turn into water vapours. |
- A. Evaporation
- B. Sublimation
- C. Condensation
- D. Runoff
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| 9 |
The fall of moisture on the surface of earth is called. |
- A. River
- B. Ocean
- C. Lake
- D. Precipitation
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| 10 |
Water absorb heat energy from.............. to turns into vapours. |
- A. Sun
- B. Fire
- C. Moon
- D. Night
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