Available Answers

1. 1.

   Which of these is not a burrowing animal? Circle it.

   

2. 2.

   Choose the correct option. (MCQs)

   1. Humus is the remains of
      1. degraded rocks
      2. naturally found chemicals
      3. animals
      4. dead plants and animals
   2. Which soil type has the greatest water holding capacity?
      1. Loamy
      2. Sandy
      3. Clayey
      4. Muddy
   3. Which among the following causes soil erosion?
      1. Afforestation
      2. Building embankments
      3. Deforestation
      4. Growing cover crops
   4. The fertile part of soil is
      1. bedrock
      2. subsoil
      3. topsoil
      4. rocky part
   5. Overgrazing causes soil erosion because
      1. weathering of rocks becomes faster
      2. water carries away soil
      3. soil gets exposed in the absence of vegetation
      4. formation of soil slows down
3. 3.

   Give one word for the following.

   1. Large scale cutting down of forests
   2. Fast growing crops that cover bare land
   3. Large scale planting of trees
   4. Cutting steps or terraces into hill slopes
4. 4.

   How is soil formed?
5. 5.

   How does deforestation cause soil erosion?
6. 6.

   What is soil erosion?