Loyola College B.Sc. Plant Biology and Biotechnology April 2009 Medical Microbiology Question Paper PDF Download

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      LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

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

VE 14

FIFTH SEMESTER – April 2009

PB 5405 / PB 5401 – MEDICAL MICROBIOLOGY

 

 

 

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

 

PART A                                                                                                       (20 marks)

Answer All questions

I Choose the Correct Answer                                                                    (5 x 1 = 5 marks)

  1. Match A) Jenner B) Metchnikoff    C) Ehrlich     D) Twort with   i) Phagocytosis
  2. ii) Vaccination iii) Phage     iv) Chemotheraphy
  3. a) A-ii, B-i, C-iv,   D) iii          b) A-ii,   B-i,     C-iii,    D) iv
  4. c) A-ii, B-iv, C-i,     D) iii          d) A-ii,   B-iii,   C-iv,    D) i
  5. Statement A: Sulfonamides are semisynthetic drugs.

      Statement B: Mode of action is competitive inhibition.

  1. Statement Ais correct, but B is incorrect
  2. Statement A is incorrect, but B is correct
  3. Both A and B are correct
  4. d) Both A and B are incorrect
  5. Which of the following is a prominent resistant flora of vagina?
  6. E. coli             b. Staphylococcus        c. Lactobacillus           d. Salmonella
  7. The causal organism of chicken pox is a:
  8. Fungus b. Protozoan c. Bacterium                d. Virus
  9. The vector for malarial parasite is:
  10. Male Anopheles b. Female Anopheles        c. Male Qulex       d. Female Qulex

 

II State whether the following statements are True or False.                        (5 x 1 = 5 marks)

  1. Autoclave is used in dry heat sterilization.
  2. Nystatin is an antifungal antibiotic.
  3. Agglutination is the most striking of all test tube antigen-antibody reactions.
  4. Histoplasmosis is an example for systemic fungal infection.
  5. Typhus fever is a vector borne disease caused by Rickettsia.

III. Complete the following                                                                   (5 x 1 = 5 marks)

  1. Application of silver nitrate to the eyes of newborn to control ophthalmic ____________

is called Credes method.

  1. ___________ acremonium is the source for the antibiotic cephalosporin.
  2. Transmission of disease is otherwise known as _______________.
  3. Rice water stool is the most prominent symptom of _______________.
  4. Hydrophobia is associated with the disease _______________.

 

  1. Answer the following, each in about 50 words (5 x 1 = 5 marks)
  2. What is fumigation?
  3. Mention any two features of chemotherapeutic agents.
  4. Enumerate any two points about external defense mechanisms.
  5. Write down any two morphological characteristics of Mycobacterium.
  6. Name any two genera of dermatophytic fungi.

PART B                       (5 x 8 = 40 marks)

Answer any five, each within 350 words only. Draw diagrams and flowcharts wherever necessary.

  1. Enumerate the characteristics of an ideal antimicrobial chemical agent. Add a note an

phenol .

  1. Write about the salient aspects of antibiotic sensitivity tests.
  2. Distinguish between exotoxins and endotoxins in tabular form.
  3. Discuss the causal organism, symptoms and control of chicken pox.
  4. Bring out the differences between Syphilis and Gonorrhea based on causal organism,

symptoms and incubation period.

  1. Expand the following with a foot note each:
  2. a) HTST b) MIC                        c) NMF           d) HBV
  3. Define the following:
  4. a) Lockjaw b) Cold sterilization      c) Chemotherapy        d) Inflammation
  5. Write about the following:
  6. Symptoms and treatment of amoebiasis
  7. Causal organism of Tetanus
  8. Acids and alkalies as chemical agent of control
  9. Grieseofulvin

 

PART C                       (2 x 20 = 40 marks)

Answer the following, each within 1500 words only. Draw diagrams and flowcharts wherever necessary.

  1. a) Given an account on control of microbes by physical agents

(or)

  1. b) Give an outline of immunity. Add a note on blood as internal defense mechanism.
  2. a) Discuss the structure of HIV. Write about the symptoms, treatment and control of AIDS

(or)

  1. b) Describe in detail the causal organisms, symptom, lab diagnosis and prevention of

Cholera.

 

 

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