Available Answers

1. 1.

   Fill in the blanks.

   1. _____________ is one of the most precious natural resources found on the earth.
   2. In humans, about _____________ of the body is formed of water.
   3. _____________ helps the body by carrying waste-products out of it.
   4. Plants require water for the _____________ of nutrients for all parts of the plant.
   5. Water is a _____________ resource.
   6. _____________ is the chief source of water.
   7. The level of groundwater below the surface is called _____________.
   8. _____________ water contains so many salts.
   9. _____________ is a situation in which water bodies dry up.
   10. If it rains incessantly, it causes a situation called _____________.
2. 2.

   Tick (√) the correct answer:

   1. Around ___________________ earth is covered with water.
      1. 40%
      2. 50%
      3. 60%
      4. 70%
   2. Substances found in ___________________ in limitless amount is inexhaustible resources.
      1. ocean
      2. houses
      3. nature
      4. lakes
   3. Substances which may recyle and replace themselves are ___________________ resources.
      1. Renewable
      2. Non-renewable
      3. Both
      4. None
   4. In humans, about ___________________ of the body is formed of water.
      1. 1/4
      2. 1/2
      3. 2/3
      4. 3/4
3. 3.

   Fill in the blanks:

   1. The type of water which we can drink is called ______________.
   2. Substances that can recycle and replace themselves are called ______________.
   3. An overflowing of water beyond its normal level confines ______________.
   4. Dehydration is caused by ______________ of water in our body.
   5. About ______________ of the earth is covered by water bodies.
   6. A healthy man's body contains ______________ of weight due to water.
   7. Flowing water is also used for ______________ electricity.
4. 4.

   Write 'T' for true and ;F' for false:

   1. We require water only for drinking.
   2. Air, water and sun are exhaustible resources.
   3. Prolonged dry weather condition is termed as drought.
   4. Earth has a limited amount of water.
   5. Rainwater improves the quality of ground.
5. 5.

   What is water?
6. 6.

   What type of natural resource is water?