Available Answers

1. 1.

   Name the following:

   1. The process by which rock is broken down.
   2. The dark-coloured substance formed by the decomposition of dead organisms.
   3. The rock from which soil originates.
2. 2.

   In which type of soil will the roots of a plant get most air-sandy, clayey or loamy?

3. 3.

   Define Percolation rate.

4. 4.

   Define water holding capacity.

5. 5.

   Why is clayey soil used to grow rice?

6. 6.

   How does crop rotation help in soil conservation?