Need and Conservation of Water
Science Four
Questions based on True-False
Write 'True' for true and 'False' for false statement.
Question: 1. Rain and snow are the two main natural sources of water.
Answer: True
Question: 2. We can avoid wastage of water by using water sprinkler for irrigation.
Answer: True
Question: 3. Proper utilization and avoid wastage of water is called water conservation.
Answer: True
Question: 4. Big factories do not need large amount of water.
Answer: False
Question: 5. Dams help to preserve water and to check floods.
Answer: True
Question: 6. We can avoid wastage of water by using water after rinsing vegetables for watering plants.
Answer: True.
Question: 7. Collecting of rain water for use is called rain water harvesting.
Answer: True
Question: 8. We should drink water that has been stored for many days.
Answer: False
Question: 9. We should use a ladle to take out water from a container.
Answer: True.
Question: 10. We can allow water to stagnate around our house.
Answer: False.
Question: 11. We must stored drinking water in covered containers.
Answer: True.
Question: 12. In cities, water is generally stored in earthen pots.
Answer: False.
Question: 13. Deforestation is one of the causes for scarcity of water.
Answer: True.
Question: 14. Increasing population increases the demand of water.
Answer: True.
Question: 15. Harmful gases coming out from factories are one of the causes of acidic rain.
Answer: True.
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