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प्रश्न
Fill in the blanks in the following statements using words given in the box.
| air, handpumps, cholera, water, large, ground |
A very ______ number of our people defecate in the open. It may cause ______ pollution and soil pollution. Both the surface water and ______ water get polluted. ______ water is the source for wells, tubewells and ______. Thus it becomes the most common route for ______ borne diseases like ______, dysentery, etc.
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उत्तर
A very large number of our people defecate in the open. It may cause water pollution and soil pollution. Both the surface water and ground water get polluted. Ground is the source for wells, tube-wells and hand pumps. Thus it becomes the most common route for water borne diseases like cholera, dysentery, etc.
APPEARS IN
संबंधित प्रश्न
Name the four main sources of water.
Give balanced chemical equation for the reaction of water with Sodium .
Answer the following question:
Why is acid added to water before electrolysis ?
Answer the following question.
Suggest three ways to conserve water.
State whether the given statement are true or false. If true, write the reason.
Ganga−Brahmaputra plain of India is an overpopulated region.
Explain why:
Rain water does not leave behind concentric rings when boiled.
Give the importance of dissolved air – in water.
Give a balanced equation for the following conversion:
Potassium oxide to a strong alkali.
State the meaning of the term ‘water pollution’. State how you would find out, the different sources of pollution of water bodies in the locality.
Fill in the blank:
Unpolluted water has _____ amount of dissolved oxygen.
Explain the following observation:
Washing-soda become coated with a white powder when left exposed to the atmosphere.
What is meant by the term ‘oil spill’?
Which are the three states of water?
Write a few slogans of your own on the topic “Save Water”
______ plays a vital role in the evolution and survival of life.
State whether the following statement is True or False. If false, write the correct statement.
Rapid growth of industries is one of the causes for water shortage
Match Column I with Column II
| Column I | Column II | ||
| (a) | Ground water | (i) | Solid form of water |
| (b) | Bawri | (ii) | Wastage of water |
| (c) | Snow | (iii) | Water management |
| (d) | Drip irrigation | (iv) | Small water |
| (e) | Leaking taps | (v) | Water table |
A jumbled word is given here. Write the correct form of the word.
QUIFERA
What is water?
Construct a crossword puzzle of your own using the keywords.
