FORESTRY – 2004,PAPER II,SECTION –A

Time Allowed: Three Hours    maximum Marks: 200

Candidates should attempt Questions 1 and 5 which are compulsory and any THREE of the remaining questions, selecting at least ONE question from each section.

SECTION –A

                 1.       Attempt any FOUR questions from the following (not more than 150 words for each):

(a)    Describe the method for calculation of normal growing stock from yield table.

(b)   Write significance of enumeration map in a divisional working plan.

(c)    Explain relationship between sustained yield and normal forest.

(d)   Discuss advantages of remote sensing technique in forestry.

(e)   Write procedure for preparation of general volume table.

               2.       (a) What are the different methods of Plain Table survey? Describe any one.

(b) Explain form of a tree and discuss principle of Girder Theory.

(c) What is biological diversity? Why Indian subcontinent is rich in biodiversity?

              3.       (a) Describe Biolley’s Check method of yield regulation in irregular forest.

(b) Discuss general specification of cement mortar.

(c)  Explain superiority of remote sensing over ground survey.

             4.       (a) Describe Austrian Assessment Method of yield regulation in regular forest.

(b) What are the advantages and disadvantages of brick masonry work over stone masonry work?

(c)  Discuss the concept of Joint Forest Management and mention the advantages of Joint Forest Management over traditional forest management.

SECTION – B

          5.       Attempt any FOUR form the following (not more than 150 words for  each):-

(a)    Describe biotic components of an ecosystem.

(b)   Describe the process of typical succession in xeric condition.

(c)    Discuss extraction of forest timber by means of aerial ropeways

(d)   Describe concept and method of rotational grazing.

(e)   Discuss the types of fencing applied to protect forestry corps.

            6.       (a) Discuss artificial and natural systems of classification of plant species.

(b)   Describe primary s well as derived forest fires.

(C) Discuss types of lac crop harvested in India.

           7.       (a) Compare and contrast National Forest Policy 1988 with that of 1952.

(b) Explain “damping off” diseases of forest nurseries and discuss its control method.

(c) Describe the procedures of sales of forest produces.

            8.       (a) What is Ethnobotany? How it helps in Indian systems of medicines?

(b) What is particle board? Mention common types of particle boards available in India.

(c) Describe Natural defects of timber.

ANIMAL HUSBNDRY AND VETERINARY SCIENCE – 2004

     Time   Allowed: Three Hours        Maximum Marks: 200

Candidates should attempt Questions 1 and 5 which are compulsory and any THREE of the remaining questions, selecting at least ONE question from each Section.

 SECTION A

1.       Write short notes on nay Four of the following in about 150 words each:

(a)    Gametogenesis

(b)   Functional anatomy in relation to respiration and flying of fowl

(c)    Biochemical tests and their  significance in disease diagnosis

(d)   Nervous and chemical regulation of heart

(e)   Renal function tests

2.       Discuss, etiology, pathogenesis, symptoms, postmortem changes, microscopic lesions, diagnosis and control of various types of deficiency discusses in sheep, goats and pigs.

3.       Discuss the effect of High Altitude on the health and production of livestock.

4.       Discuss the following :

(a)    Cellular level of pharmaco- dynamics & pharmaco- kinetics

(b)   Modern concepts of anesthesia and dissociative anesthetics.

SECTION – B

5.       Write short  notes on any four of the following in about 150 words each:

(a)    Meat Food Products Order

(b)   Meat emulsions

(c)    Marketing of poultry meat and eggs

(d)   Social and economic implications of proper 

(e)   Diagnosis and treatment of impaction in ruminants

6.       Discuss the etiology, epizootiology, pathogenesis, symptoms, gross and microscopic lesions, diagnosis and prevention of Contagious Bovine Pleuropnemonia (C. B. P. P.)

7.       Discuss:

(a)    Principles and methods of immunization of animals against specific diseases.

(b)   Causes & management of diaphragmatic hernia in buffaloes.

8.       Name the zoonotic diseases caused by various micro- organisms and discuss the role of animals and birds in their transmission to human beings.

PHYSICS – 2003, PAPER II, SECTION B

                         Time Allowed: three Hours             Maximum Marks: 200

 Candidates should attempt Questions 1 and 5 which are compulsory, and any THREE of the remaining questions selecting at least ONE question from each Section.

Assume suitable date if considered necessary and indicate the same clearly.

  

SECTION B

5.       Answer any four of the following:

(a)    On the basis of binding energy curve explain why fusion is possible only for low mass nuclei whereas the fission takes place only in heavy nuclei.

(b)   A star converts all its hydrogen to helium, achieving 100 % helium composition. It then converts the helium to carbon via the reaction

⁴₂ He + ⁴₂He + ⁴₂He →¹²₆C + 7.27 MeV

The mass of the star is 5.0 x 10³² kg and it generates energy at the rate of 5 x 10³⁰ W. How will it take to convert all helium to carbon at this rate?

(c)    Indicate the interactions in which the following conservation laws are obeyed or violated:

    (i)                  Hypercharge

   (ii)                Charge conjugation

   (iii)               Isotopic spin

(d)   Calculate the number of nearest neighbors and the packing fraction for an FCC lattice.

(e)   Explain the operation of the following circuit as a gate. Draw the truth table and find the operation carried out by this gate.

6.       (a) What are magic numbers? Discuss the shell structure of a nucleus. How this model is able to explain various properties of nuclei? Discuss the limitations of his model.

                         (b) What is internal conversion? Describe an experiment to determine internal conversion coefficients.

                          (c) What is Mossbauer Effect? Describe an experimental arrangement employed for the study of nuclear resonance scattering. Mention some applications of this phenomenon.

7.       (a) Discuss various symmetry elements of a crystal lattice. Explain why five-fold rotation symmetry is not observed.

                   (b) Consider the motion of electrons in a periodic potential of a crystal lattice. Show that the energy spectrum of electrons consists of bands of allowed and forbidden energies. How are the insulators, semiconductors and conductors discriminated on the basis of band structure?

                 (c) Distinguish between a superconductor and a perfect conductor. Obtain an expression for the frequency of oscillations.

8.       (a) Explain the working principle of a phase shift oscillator. Obtain an expression for the frequency of oscillations.

                          (b) Describe the constructional details of a MOSFET. Draw the drain current-drain voltage characteristics.

                         (c)  A common emitter amplifier using n-p-n transistor is shown below:

Calculate the output signal for an input signal of 1 m V. Explain the functions of (i) 50 µF capacitor across 3 k Ω resistor in the emitter circuit and (ii) the resistors 930 kΩ and 250 kΩ.

PHYSICS – 2003, PAPER II, SECTION A

                      Time Allowed: three Hours             Maximum Marks: 200

 Candidates should attempt Questions 1 and 5 which are compulsory, and any THREE of the remaining questions selecting at least ONE question from each Section.

Assume suitable date if considered necessary and indicate the same clearly.

LIST OFO USEFUL CONSTANTS

Mass of proton     = 1.673 x 10⁻²⁷ kg

Mass of neutron   = 1.675 x 10⁻²⁷ kg

Mass of electron    = 9.77 x 10⁻³¹ kg

Planck constant    = 6.626 x 10⁻³⁴ J s

Boltzmann constant   = 1.380 x 10⁻²³ J K⁻¹

Bohr magneton    = 9.273 x 10⁻²⁴ A/ m²

Electronic charge     = 1.602 x 10⁻¹⁹ C

Atomic mass unit (amu)      = 1.660 x 10⁻²⁷ kg

                                                     931 MeV

Velocity of light in vacuum, c     = 3 x 10⁸ m s⁻¹

m (⁴₂ He)         = 4.002603 amu

m (¹²₆ C)     = 12.00000 amu

 SECTION A