Advertisements
Advertisements
प्रश्न
Give the importance of water in life processes
Advertisements
उत्तर
The importance of Water in life processes as follow:
Water is used by all plants, animals & humans for carrying out various metabolic processes including photosynthesis by plants & excretion by animals & humans.
संबंधित प्रश्न
Give the percentage of water in the following:
Eggs
Give the percentage of water in the following:
Bread
Complete the statement by filling in the blanks with the correct words.
Water generates ______in hydroelectric power stations and ________in boilers for industrial applications.
(carbon dioxide/steam/heat/electricity)
State whether the following statement is true or false. If false, write the correct statement.
Purification of water is carried out to remove – dissolved gases e.g. carbon dioxide and dissolved minerals like magnesium salts.
Match the statements in List I, 1-10 with their correct answer in List II, A to J.
| List I | List II |
| 1. Sodium carbonate and water | A: Seawater |
| 2. Chemical used in sedimentation during purification of water | B: The preferred place for an organism |
| 3. vapourisation | C: Liquid state |
| 4. Kerosene and water | D: Aqueous solution |
| 5. A solution which can dissolve more of solute at a given temperature | E: Dissolved gases and minerals |
| 6. Water as a habitat for marine life | F: Unsaturated solution |
| 7. A water-borne disease | G: Immiscible mixture |
| 8. Existence of water between 0°C and 100°C | H: Liquid to a gaseous state |
| 9. Taste in water is due to | I: Dysentery |
| 10. The most impure form of water | J: Alum |
Explain the meaning of the following term:
The gaseous state of water in the air
Name the following
The natural process by which circulation of water takes place from the earth’s surface to the atmosphere and back to the earth’s surface.
Name two gases which are insoluble in water.
Using R.O. (Reverse Osmosis) plant at home eliminates lot of non-potable water. The best way to effectively use the expelled water of R.O. plant is ______.
The quantity of water required to produce one page of your book is ______.
