Available Answers

1. 1.

   Multiple Choice Questions (MCQs). Tick (√) the right option:

   1. Uppermost layer of earth
      1. Rocks
      2. Lava
      3. Soil
      4. None of these
   2. Farming done in steps on hill slopes is
      1. Terrace farming
      2. Contour farming
      3. Planting
      4. None of these
   3. Tall mud walls built on the sides of the river are called
      1. Embankments
      2. Bunds
      3. Dams
      4. None of these
   4. Growing of plants and tree on bare field is called
      1. Dam
      2. Plant strip
      3. Bund
      4. None of these
2. 2.

   Fill in the blanks with the given words:

   wind and water

   embankments

   rain

   soil

   land

   1. __________ is the top most layer of the earth.
   2. __________ became barrens.
   3. __________ loosen the soil.
   4. __________ are the two factors of soil erosion.
   5. Making walls of rocks and stones on the banks of river is called __________.
3. 3.

   Write 'T' for true or 'F' for false:

   1. Rain does not loosen the top soil.
   2. Erosion of soil can lead to landslides.
   3. Rain water helps to conserve soil.
   4. Afforestation reduces soil erosion.
   5. Terrace farming helps soil from being lost completely.
4. 4.

   Match the following:

   1. Soil is	a. Soil deposited by river
   2. Heavy rain	b. Hilly area
   3. Top soil	c. Very precious for us
   4. Terrace farming	d. The topmost layer of the earth
   5. Silt	e. Causes soil erosion

    

5. 5.

   What is soil erosion?
6. 6.

   What are the factors affecting soil erosion?