Download JNTUA B.Tech 1-2 R15 2019 Dec Supple 15A27201 Basic Microbiology Question Paper

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Code: 15A27201


B.Tech I Year II Semester (R15) Supplementary Examinations December 2019
BASIC MICROBIOLOGY
(Food Technology)

Time: 3 hours Max. Marks: 70

PART ? A
(Compulsory Question)

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1 Answer the following: (10 X 02 = 20 Marks)
(a) Classify the types of microorganisms.
(b) Give the concept of phase contrast microscope.
(c) Draw the structure of E.coli.
(d) Illustrate recombinant process in microbes.
(e) What is meant by bacterial transduction?
(f) Give the types of mutation.
(g) Define mutagenesis.
(h) Give the phenotypes of bacterial mutants.
(i) Classify the structure of viruses.
(j) Mention the virus multiplication steps.

PART ? B
(Answer all five units, 5 X 10 = 50 Marks)

UNIT ? I

2 Explain the theory, instrument design and working of scanning electron microscope.
OR
3 State the characteristics and explain the morphology and reproduction of algae.

UNIT ? II

4 Classify the types of bacteria based on their structure and explain their morphologies.
OR
5 Give a detailed account on bacterial genetics and recombination methods.

UNIT ? III

6 Classify types of microbial mutation and explain their process steps.
OR
7 Discuss on mutation rate and explain the repairing of mutation process.

UNIT ? IV

8 Narrate the steps of replication and multiplications of virus.
OR
9 Elaborate the evolution and scope of microbiology.

UNIT ? V

10 Explain the factors affecting the growth of microorganisms with neat illustration.
OR
11 Illustrate and explain the various cell culture methods of isolation and preservation.

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R15
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