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प्रश्न
Some definitions are given below which can be corrected by changing one word. Correct them.
- Aquifer is ground water stored between layers of hard rock above the water table.
- The process of evaporation of water in the ground is called infiltration.
- The evaporation of water from oceans and its arrival back into oceans is called vapour cycle.
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उत्तर
- Aquifer is ground water stored between layers of hard rock below the water table.
- The process of seepage of water in the ground is called infiltration.
- The evaporation of water from oceans and its arrival back into oceans is called water cycle.
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संबंधित प्रश्न
Explain water cycle in detail.
Why does the water split on the floor disappear after some time?
Name two processes responsible for the formation of clouds.
Why is water cycle important to human?
Water becoming water vapour on heating is called evaporation.
Which of the following is not a part of water cycle?
Water present in rivers, lakes, and ponds is unfit for use by human beings.
Seas are formed when the water table meets the land surface.
Observe the given graph carefully and answer the questions.
- What percentage of water is seen in fish?
- Name the food item that has maximum amount of water in its content.
- Name the food item that has minimum amount of water in its content.
- Human body consists of about ______ percentage of water.
- Specify the food item that can be consumed by a person when he/she is suffering from dehydration.
Describe the processes involved in the water cycle.
State for the following whether it is due to evaporation or condensation:
Water drops appear on the outer surface of a glass containing cold water.
The process of water changing into its vapour, is called evaporation.
How will you construct a rainwater harvesting pit?
Analogy:
Filtering: Sand:: ______: Ammonia.
The term “water-pollution” can be defined in several ways. Which of the following statements does not give the correct definition?
Paheli wrote a food chain in the following way:
frog → eagle → insects → grass → snake
The chain is not in the correct order. Help her to write the food chain correctly.
What are the three stages in the water cycle?
Rain is due to the process of ______.
Match the following:
| Water cycle | Application of fertilizers |
| Nitrogen cycle | Sunlight |
| Carbon cycle | Deforestation |
| Abiotic factor | Volcanic activities |
Assertion (A): Biosphere is a dynamic and stable system.
Reason (R): There is a constant interaction between biotic and abiotic components in the biosphere.
