dge.tn.gov.in : Higher Secondary Microbiology Question Paper Directorate of Government Examination Tamilnadu

Name of the Board : Tamilnadu Directorate of Government Examination
Name of the Exam : Higher Secondary
Subject : Microbiology
Document Type : Question Paper
Website : dge.tn.gov.in

Download Model/Sample Question Paper :
Sept 2013 : https://www.pdfquestion.in/uploads/dge.tn.gov.in/6961-microbiology.pdf

Microbiology Model Paper :

PART – III :
Instructions :
(1) Check the question paper for fairness of printing. If there is any lack of fairness, inform the Hall Supervisor immediately.
(2) Use Black or Blue ink to write and pencil to draw diagrams.

Related : Directorate of Government Examination DGE Higher Secondary Geography Question Paper : www.pdfquestion.in/6957.html

Note : Answer all questions.
Wine can be produced by the fermentation of:
(a) Agar
(c) Grapes
(b) Berries
(d) Honey

Which bacteria enters the body through the bite of an arthropod 2
(a) Neisseria gonorrhoeae
(c) Chlamydia trachomatis
(b) Borrelia burgdoferi
(d) Treponema pallidum
(b) S. aureus (d) S. haemolyticus
(b) H- antigen (d) Oantigen
a) No flagellum (c) Peritrichous flagella
(b) Single flagellum (d) Tuft of flagella

Lyme disease is caused by :
a) Leptospira interrogans
(b) Clostridium tetani
(c) Chlamydia psittaci
(d) Borrelia burgdorferi

an antibody ?
(a)- (b) Hapten
(c) Paratope
(d) Carrier

Which of the following is Quarternary ammonium salt ?
(a) Copper sulphate
(b) Silver nitrate
(c) Cetrimide
(d) Ferric chloride

A substance acted upon by an enzyme is called :
(a) Cofactor
(b) Coenzyme
(c) Substrate
(d) Holoenzyme

Which of the following treatments remove phosphates and nitrate from sewage?
(a) primary
(b) secondary
(c) tertiary
(d) digester

Complete detail of living cellis detectable under :
(a) Phase contrast microscope
(b) Electron microscope
(c) Dark field microscope
(d) Fluorescent microscope

Fill In the Blanks :
____ is an energy yielding reaction in anaerobes occuring in the absence of oxygen.
The stiffness of Jaw seen in tetanus is called _____
_____ is involved in the development of dental caries.
Taeniasis is caused by two important species, _____ Taenia and Taenia_____
C – terminus of light chain contains _____ region.

The most commonly transplanted organis _____ .
_____was selected for the commercial production of penicillin,
_____ M protein of streptococcus pyogenes inhibits
The site of infection is in the Peyer’s patches _____ .
Oxygen labile toxin of Cl, tetani is called _____
Chlamydiae are _____ obligate bacteria.
Candida _____ albicans produces thick walled below 26°C.
_____ IgE antibody is raised during responses.

Answer the following questions by writing True or False :
L. donovani is transmitted by sand fly.
The head of tapeworm is otherwise called as scolex.
Bacillus thuringiensis is a biopesticide.
Adhesion of Strep. pyogenes to pharyngeal epithelial cells is mediated by lipoteichoic acid.
Cor. diphtheriae is a slender, Gram negative rod.
Inside vertebrate hosts, L. donovani is present as promastigote form.
TAB vaccine contains killed organisms.
The genetic code consists of 64 codons.

The highest percentage of gas present in the atmosphere is oxygen. –
Micro-organisms livein symbiotic association with man,
Cholera toxin is responsible for diarrhoea.
Clostridium tetani is anaerobic bacterium.

Answer the following questions in one sentence each :
By whom was the electron microscope developed 2
How does chlamydia divide 2
What is the name of the infectious particle of C. trachomatis 2
What was the name given to brucellosis in early days 2
Give an example for Type II Hypersensitivity reaction.
How many types of light immunoglobulin chains are seen 2

Answer any fifteen questions. :
What is attenuation ?
What are the types of microscope 2
What are the four species of genus shigella 2
Define Glycolysis.
Define Pasteurization.
Define fermentation.
Which is the solid medium used for the growth of Vibrios ? How do the colonies appear
Give a list of the diseases produced by chlamydia psittaci.
What is direct life cycle 2
What are the clinical manifestations seen in Taeniasis 2
Name the true fungi which cause mycetoma.
What are the modes of transmission of HIV 2
Define an antigen.
List the major classes of antibodies.
Define Fluorescence.
What is code degeneracy 7
List the type of alterations that can occur in the nucleotide sequences of DNA.