Available Answers

1. 1.

   State true or false.

   1. Soil is formed by the weathering of rocks.
   2. Soil is the middle layer of the earth's surface.
   3. Soil can support plant growth.
   4. Clay particles are the largest soil particles.
   5. Loamy soil feels smooth when dry, and non-sticky when wet.
2. 2.

   Match the following.

   1. Soil profile	a. helps in soil conservation
   2. Topsoil	b. large pieces of unbroken rock
   3. Bedrock	c. different layers of the soil
   4. Cutting down of trees	d. uppermost layer of the soil
   5. Planting saplings of native trees	e. also called regolith
   	f. leads to soil erosion

    

3. 3.

   Tick (√) the correct answer.

   1. These are the largest soil particles in size.
      1. Sand
      2. Clay
      3. Silt
      4. Gravel
   2. The uppermost layer of soil is called
      1. subsoil
      2. bedrock
      3. topsoil
      4. soil profile
   3. __________ is made up of weathered or decomposed rock fragments.
      1. Bedrock
      2. Topsoil
      3. Subsoil
      4. Parent material
   4. Protection of soil from erosion is called
      1. weathering 
      2. bedrock
      3. soil conservation
      4. soil erosion
4. 4.

   Give one word for the following.

   1. The smallest soil particles.
   2. Rich in minerals and poor in humus.
   3. The type of soil is most suitable for growing plants.
   4. Process by which soil is formed from rocks.
   5. The other term for the layers of soil.
5. 5.

   What is soil?
6. 6.

   Name the layer of the soil profile.