Subject :NSO Class : Class 5
Which of the following statements is incorrect regarding different layers of soil?
A Soil is made up of gravel, sand, humus, water and
clay particles.
B Topsoil is rich in organic matter.
C Roots of trees may grow till subsoil.
D Bedrock contains lot of water and humus.
Ans 1:
Class : Class 4
Ans 2:
Class : Class 5
D is the answer