oyola College Question Paper

Loyola College B.Sc. Plant Biology and Biotechnology Nov 2012 Herbal And Ethanobotany Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & PLANT BIO-TECH.

FIFTH SEMESTER – NOVEMBER 2012

PB 5517/5511/5503 – HERBAL AND ETHANOBOTANY

 

 

 

Date : 06/11/2012             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

PART –A

 

ANSWER THE FOLLOWING, EACH WITHIN 50 WORDS ONLY:                                    (10 x 02 = 20)

 

  1. Expand BSI
  2. What is Materia medica?
  3. Write any two medicinal properties of Andrographis paniculata.
  4. What is resin?
  5. Define Siddha system of medicine.
  6. Differentiate between alkaloids and phenolic compounds.
  7. What do you mean by Baram or Charam?
  8. What are suppositories?
  9. What is an active principle of a herb?
  10. Name the terpenoid extracted from Azadirachata indica. Mention its importance.

 

PART –B

 

ANSWER THE FOLLOWING, EACH WITHIN 500 WORDS;

DRAW DIAGRAMS, FLOW CHARTS WHEREVER NEECSSARY:                                        (5 x 7 = 35)                                                 

  1. a) Differentiate adulterants from substitutes. Discuss adulteration of drugs with two

examples

(OR)

  1. b) What is hydrotherapy? Mention its types and advantages.

 

  1. a) Explain the organoleptic properties of

(OR)

  1. b) Mention the active principle and medicinal uses of Vinca rosea and Zingiber officinale.

 

 

 

  1. a) Write notes on herbal preparation with respect to Herbal oil and Glycerites.

(OR)

  1. b) Discuss the extraction process for Resins and Tannins.
  2. a) How the ethnobotanical research is carried out in India?

(OR)

  1. b) Write notes on field work, literature, herbaria and musea.
  2. a) What is a patent? Discuss about it in the context of Intellectual Property Rights(IPR).

(OR)

  1. b) Write about the ethanobotanical study of Todas.

 

PART –C

 

ANSWER ANY THREE OF THE  FOLLOWING, EACH WITHIN 1200 WORDS;

DRAW DIAGRAMS, FLOW CHARTS WHEREVER NEECSSARY:                         (3 x 15 = 45)

 

  1. Explain How microscopic and physical evaluation of drug is carried out to detect

adulteration.

  1. Describe the chemical and anatomical characterization of Emblica officinalis. Add a note on its medicinal uses.
  2. Explain the methodology of preparation of the following:

i.Poultices,         ii. Compresses or Fomentations,         iii. Glycerites.

  1. Give a detailed account of the importance of ethanobotany in traditional system of medicine,
  2. Bring the knowledge of tribes towards disease diagnosis, treatment, medicinal plants and their

Cultivation.

 

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Loyola College B.Sc. Mathematics April 2008 Fluid Dynamics Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – MATHEMATICS

XZ 15

 

FIFTH SEMESTER – APRIL 2008

MT 5401 – FLUID DYNAMICS

 

 

 

Date : 05/05/2008                Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

PART – A

Answer all:                                                                                 10 x 2 = 20

 

1.Define steady and unsteady flow.

2.Write the Euler’s equation of motion in terms of spherical polar co ordinates.

3.What are stagnation points?

4.What are the applications of Pitot tube?

5.Explain the term complex potential.

6 Define Source and Sink.

7.State a fundamental property of vortex.

8.Define a vorticity vector.

9.Prove that flow is irrotational for

10.What is  lift of an Aerofoil ?

 

 

PART – B

Answer any five:                                                                               5 x 8 = 40

 

  1. The velocity in a three dimensional flow field for an incompressible fluid is

given  by . Determine the equation of streamlines passing

through the point (1,1,1).

 

  1. Derive the relationship between Eulerian and Lagrangian points in space.
  2. Show that the velocity potential satisfies the Laplace

equation. Also determine the stream lines.

 

  1. Derive the Euler’s equation of motion.

 

  1. Briefly explain Pitot tube.

 

  1. Stream is rushing from a boiler through a conical pipe, the diameters of the ends of which are D and d. If V and v be the corresponding velocities of the stream and if the motion be supposed to be that of divergence from the vertex of the cone prove that      where k is the pressure divided by density.

(P.T.O)

 

 

  1. Find the vorticity of the fluid motion in spherical polar coordinates

, and .

  1. Define aerofoil and discuss about its structure.

 

PART –C

 

Answer any two:                                                                               2 x 20 = 40

 

19a) A mass of fluid is in motion so that the lines of motion lie on the surface of

coaxial cylinders. Show that the equation of continuity is

.

  1. b) For a 2-D flow the velocities at a point in a fluid may be expressed in the

Eulerian co ordinate by u= 2x+2y+3t    and v = x+ y+ , determine them in

Lagrangian.

 

20 a) If the velocity of an incompressible fluid at the point (x ,y, z) is given by

, prove that the liquid motion is possible and that the

velocity potential is . Also determine the stream lines.

 

  1. Draw and explain Venturi tube.

 

21  a) What arrangements of source and sinks will give rise to the function

? Draw a rough sketch of the stream lines.

  1. b) The particle velocity for a fluid motion referred to rectangular axes is given by the components , where A is a constant. Show that this is a possible motion of an incompressible fluid  under nobody force in an infinite fixed rigid tube. Also determine the pressure associated  with this velocity field where .

 

  • a) Derive Joukowski transformation.
  1. b) State and prove Kutta Jowkowski theorem.

 

 

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“Loyola College B.Sc. Chemistry April 2009 Polymer Chemistry Question Paper PDF Download”

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        LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.Sc. DEGREE EXAMINATION – CHEMISTRY

WD 15

FIFTH SEMESTER – April 2009

CH 5402 / CH 5400 – POLYMER CHEMISTRY

 

 

 

Date & Time: 28/04/2009 / 1:00 – 4:00  Dept. No.                                                     Max. : 100 Marks

 

 

PART-A                                      

Answer ALL questions.                                                                                               (10 x 2 = 20)

 

  1. Write any two stereo-isomers of polypropylene.
  2. Why does the melting point of Teflon high?
  3. How is polyester prepared? Give an example.
  4. What is living polymerization?
  5. Mention the importance of benzoyl  peroxide in the polymerization reaction with an example.
  6. Give any two drawbacks of solution polymerization.
  7. Differentiate LDPE and HDPE with any four points?
  8. How is polymethyl metha acrylate synthesized?
  9. What are fire retardants?
  10. What are fire reinforcing plastics?

PART-B                                     

Answer ANY EIGHT questions.                                                                                 (8 x 5 = 40)

 

  1. Write short notes on: (a) Elastomers    (b) Polyisoprene rubber
  2. Explain the role of secondary bond forces in polymers.
  3. Discuss the cationic polymerization with mechanism.
  4. Distinguish between number average molecular mass and weight average molecular mass with suitable example.
  5. Explain the process of bulk polymerization.
  6. Derive the rate constant for anionic polymerization.
  7. Write the order of thermal stability of the following polymers and give reasons for the order you select.

Polytetraflouroethylene, Polyphenylene, Polytetraphenylene.

  1. Write and explain the mechanism of phenol formaldehyde polymer.
  2. How are the following polymers synthesized?

(a)Polystyrene   (b) Buna-S

  1. Explain any two methods of polymer degradation?
  2. Explain the process of injection moulding.
  3. Write short notes on: (a) Antioxidants (b) Fillers

PART-C                                    

Answer ANY FOUR questions.                                                                                  (4 x 10 = 40)

  1. Define the following with example.

(a) Oligomers  (b)Degree of polymerization  (c) Isotactic polymer

(d) Syndiotactic polymer

  1. Discuss the mechanism and its importance of Ziegler Natta polymerization.
  2. Explain the emulsion polymerization with diagram.
  3. What is gas phase polymerization? Explain the mechanism.
  4. What are conducting polymers? Discuss the characteristics of conducting polymers.
  5. Explain the process of calendaring with its applications and limitations.

 

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Loyola College B.Com Nov 2015 Corporate Culture & Practice Question Paper PDF Download

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Loyola College B.B.A. Business Administration Nov 2012 Company Law & Sec. Practice Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.B.A. DEGREE EXAMINATION – BUSINESS ADMINISTRATION

FIFTH SEMESTER – NOVEMBER 2012

BU 5503 – BUSINESS POLICY & STRATEGY

 

 

 

Date : 03/11/2012             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

SECTION-A

Answer all of the following questions:                                                     (10×2 = 20 Marks)

 

  1. Define business strategy with an example.
  2. What is a contingency plan?
  3. Identify the elements of strategic decision.
  4. What is vertical integration?
  5. Write a Mission statement for an educational institution.
  6. What is a strategic gap?
  7. What do you understand by marketing approach to strategic decision?
  8. Write a short note on strategic gap analysis.
  9. What are the four basic types of strategic control?

10.State the main objective of a good promotional policy.

 

SECTION-B

Answer any five of the following questions:                                             (5×8 = 40 Marks)

 

  1. Explain the role of a strategist.
  2. Explain the major policy issues concerning an organization.
  3. Discuss the Mechanism of policy making.
  4. What are the four grand strategic alternatives of an organization?
  5. Explain the relationship of pricing policy to cost.
  6. Identify the dimensions of objectives.
  7. Explain the steps in the process of strategic decision making.
  8. Discuss the significance of evaluation techniques for strategic control.

SECTION-C

Answer any two of the following questions:                                                  (2×20 = 40 Marks)

 

  1. Explain the application of strategic management concept through case study method.
  2. Briefly explain the internal and external environmental scanning in an organization.
  3. Classify the Various types of Business Policy.

 

 

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Loyola College B.A. Economics April 2008 App. Quant. Economics Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

B.A. DEGREE EXAMINATION – ECONOMICS

BC 53

 

SECOND SEMESTER – APRIL 2008

E 218 – APP. QUANT. ECONOMICS

 

 

 

Date : 05/05/2008                Dept. No.                                       Max. : 100 Marks

Time : 9:00 – 12:00

 

PART – A

 

Answer any FIVE Questions.                                                            (5 x 4 = 20 marks)

 

  1. State Marshallian demand function.
  2. What are the two major characteristics of CES production function?
  3. Distinguish between Pure Strategy and Mixed Strategy.
  4. Define marginal product.
  5. Distinguish between substitutes and complements.
  6. What is isoquant?
  7. What is saddle point?

 

PART – B

 

Answer any FOUR Questions.                                                          (4 x 10 = 40 marks)           

 

  1. Mention the assumptions of linear programming.
  2. Maximize U = q1, q22-10q1, subject to 2q1 + 8q2 = 116.
  3. Discuss the different types of elasticities.
  4. Explain the properties of Perfect competitive market.
  5. Determine maximum profit if Q = 20 – K2 + 10K – 2L2 + 5L where Pk = 2, PL = 1, PQ = 5.
  6. Explain the properties of indifference curves.
  7. Show that average cost and marginal cost functions intersect at the lowest point of the Average Cost Function.

 

PART – C

 

Answer any TWO Questions.                                                            (2 x 20 = 40 marks)        

 

  1. Derive the Slutsky’s equation and give its interpretation.
  2. Show that the Cobb-Douglous functions is homogeneous of degree one.
  3. Maximize 45X1 + 55X2 subject to

6X1 + 4X2 ≤ 120

3X1 + 10X2 ≤ 180

X2 ≤ 25

X1, X2 ≥ 0

  1. Derive the first and second order conditions for profit maximization in monopoly.

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Loyola College B.A. Economics Nov 2013 Management Of Financial Services Question Paper PDF Download

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