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Write a note on Rubidium or Cesium vapour magnetometer. Describe the significance of free air and bouguer corrections in gravity prospecting.
What do you understand by seismic stratigraphic interpretation. State various seismic reflection parameters used in seismic stratigraphy and describe briefly their geological significance.
Enumerate different components of petroleum and describe non-hydrocarbon components of petroleum.
What are the main criteria which are used in the categorization of bacteria? Describe the salient features of numerical taxonomy.
Give the importance of Hamilton's principle and characteristic functions. What are Lagrange's Brackets?
Draw the circuit diagram of a Wien bridge oscillator and get an expression for frequency of oscillations.
Show that the normal component of electric displacement and magnetic induction are continuous across the boundary.
Derive an expression for the separation between consecutive rotational lines in non-rigid rotator approximation.
Derive Bragg’s Law for X-ray diffraction in crystals. Explain the principle of Laue’s diffraction method and describe the origin of Laue spots.
What is meant by the term polarization of a solid? Describe polarizability of atoms and molecules.
Describe the mechanism of nerve impulse transmission in animals. Write an essay on physiology of muscle contraction.
Explain what an oxygen debt is and how it is caused.
Which of the following diseases can be prevented by inoculation? rubella, syphilis, tuberculosis, polio, gonorrhoea, common cold, measles, haemophilia, mumps.
Give two examples of diseases which can be spread by contaminated drinking water. How can the spread of such diseases be prevented?
What is the distinction between ‘breathing’ and ‘respiration’? What part do ‘ventilation’ and ‘gaseous exchange’ play in these processes?
State the ways in which (a) all plant cells, (b) some plant cells differ from animal cells.
Name one biotechnological process which makes use of protozoa. From what type of organisms are antibiotics obtained?
State two ways in which protozoa differ from bacteria. Which body cells are attacked by the malarial parasite?
Name three diseases caused by viruses. By what method may virus diseases be prevented?
What kind of food is most likely to contain Salmonella bacteria? What illness is caused by Salmonella typhimurium?
What is meant by the expression ‘infant mortality’? What is meant by a ‘fertility rate of 3’?
Give two examples of artificial ecosystems. What two biotic factors could affect an antelope living in the Serengeti?
In what ways can we try to protect a species from extinction? Apart from conserving individual plants and animals, what else needs to be conserved.
In what way do chlorofluorocarbons (CFCs) cause global problems? Which part of the carbon cycle is responsible for the increasing concentration of carbon dioxide in the atmosphere.
What are the principal sources of excessive nitrate and phosphate in rivers and lakes?