Ques 1.

Describe in brief the two phases of soil genesis

Ques 2.

Describe the effects of soil aeration on the metal ions present in it

Ques 3.

What is meant by soil fertility evaluation? Describe the concepts involved in soil fertility.

Ques 4.

What are the different methods of desalination of brackish water?

Ques 5.

Why the methods of bio monitoring of water quality are more precise and sensitive than those of chemical analysis?

Ques 6.

In agriculture, what will be the adverse effects of using water has high Na+ concentration.

Ques 7.

Describe the regions of atmosphere based our chemical composition.

Ques 8.

Explain the air pollution ecosystem.

Ques 9.

Describe the common forms of air pollutants.

Ques 10.

Discuss the ways of controlling anthropogenic air pollutants.

Ques 11.

Discuss the method of aeration in the treatment of doing wastes. What are the problems associated with this method?

Ques 12.

Describe the effects of pesticides in ecosystem.

Ques 13.

Explain important parameters which are required to be known for proper treatment of sewage.

Ques 14.

Briefly discuss the water associated hazards from ingestion of biological agents

Ques 15.

List the precautions which must be followed during sampling for analysis.

Ques 16.

Describe the application of ion exchange in treatment of petroleum refinery drainage water

Ques 17.

Describe briefly the principle and working of the glass electrode. How is the pH of soil measured?

Ques 18.

Find the cell constant for a conductance cell in which the conductance, G, of a 0.100 M KCl solution is 0.01178 at 25^oC. The molar conductance for 0.100 M KCl at 25^oC is 128.96 S cm² mol^-1. If a 0.0500 M solution of an electrolyte has a measured conductance of 0.00824 S using this cell, what is the molar conductance of the electrolyte?

Ques 19.

Discuss the basic components of flame photo meter and atomic absorption spectrometer. Write down the limitations and advantages of both the techniques.

Ques 20.

Why coliforms are selected as indicator microorganisms? Discus briefly the membrane filter tests for their detection in water. What are advantages and disadvantages of this method over other methods?