List of top Agricultural Engineering and Technology Questions on Soil Classification and Properties

Given below are two statements:
Statement (I): Soil profile is a vertical section of the soil from the surface through all its horizons.
Statement (II): Soil texture is the arrangement of individual soil particles with respect to each other into a pattern.

In light of the above statements, choose the most appropriate answer from the options given below.

Atterberg limits of a soil represent which of the following property at critical stages of soil behaviour?

(A) Majority of red soils are loams with values of pH ranging between 5.0 to 8.0.
(B) Laterite soils which are generally acidic have an average pH range between 6.0 to 7.0.
(C) Red and yellow soils have a pH around neutrality or else slightly on the acidic side.
(D) Desert soils have fairly high pH and varying amounts of calcium carbonate.
(E) The alkali soils have a high pH which may range between 7.0 and 8.0.
Choose the correct answer from the options given below:

Which is the most appropriate method to measure soil tilth?

Given below are two statements:
Statement (I): The soil texture is defined as the relative proportion, by weight percentage of sand, silt and clay in soil.
Statement (II): The aeration in fine textured soil is medium to poor.
In light of the above statements, choose the most appropriate answer from the options given below.

Given below are two statements:
Statement (I): The porosity of a soil can not exceed 100 per cent.
Statement (II): The degree of saturation can not be zero per cent.
In light of the above statements, choose the most appropriate answer from the options given below.