problem 1: What is the importance of Munsell notation in characterizing a soil profile? Describe the notations shown below.
a) 5Y 0/8
b) 2.5 YR 10/0
Name the textural class of the soil with the given composition.
Clay: 60%, Silt: 20%, Sand: 20%
problem 2: Distinguish between the given pairs to terms.
a) Weathering and Deposition in soil genesis.
b) Soil aggregation and Soil structure.
problem 3: What is meant by the term soil fertility evaluation? Name the two quantitative formulations proposed for this purpose. How does the pH of soil influence the availability of phosphorus as phosphates in it?
problem 4: describe in brief the features associated to water availability and usage.
problem 5: Describe and distinguish amongst the terms objectives, criteria and standards used for defining the water quality criteria for different purposes.
problem 6: What are the indicators of biological properties of water systems? How do bacteria influence a water system?
problem 7: Describe greenhouse effect and list main greenhouse gases. Which is the main greenhouse gas?
problem 8: What are primary and secondary meteorological parameters? List all of them.
problem 9: describe the effect or air pollutants on human health.
problem 10: describe the different ways of controlling the air pollution.