Jawaharlal Nehru Technological University Hyderabad

Jawaharlal Nehru Technological University Hyderabad B.Tech II MICROBIOLOGY Previous Question Paper (February - 2024 - R22)

B.Tech | II | II-I | R22 | February - 2024

Answer PaperPaper Code: 183BNMaximum Marks: 60Time: 3 Hours

Note: This question paper contains two parts A and B. Part-A is a compulsory question consisting of ten sub-questions. Part-B consists of ten questions (numbered from 2 to 11) carrying 10 marks each. From each unit, there are two questions and the student should answer one of them.

Part A

1
Answer all sub-questions.
10 marks
a
Write about phase contrast microscope.
1 marks

Answer

A phase contrast microscope is an optical imaging technique that converts phase shifts in light passing through a transparent specimen into brightness changes in the image, allowing the visualization of unstained, living microorganisms.

b
Write two economically important microbes.
1 marks

Answer

Two economically important microbes are Saccharomyces cerevisiae (used in baking and brewing) and Lactobacillus bulgaricus (used in dairy fermentation).

c
Name two chemicals used to control bacteria.
1 marks

Answer

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d
Describe the most important cause of antibiotic resistance.
1 marks

Answer

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e
If both glucose and lactose are present in the media which type of growth curve will be obtained.
1 marks

Answer

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f
What is differential media?
1 marks

Answer

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g
Describe soil culture.
1 marks

Answer

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h
What is NCIM?
1 marks

Answer

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i
Describe chemotaxonomy.
1 marks

Answer

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j
Why 16S rRNA gene sequence is used to study bacterial taxonomy.
1 marks

Answer

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Part B

2
Compare prokaryotic and eukaryotic cells.
10 marks

Answer

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OR
3
Explain the principle of electron microscope with its types and applications.
10 marks

Answer

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4
Analyze narrow and broad-spectrum antibiotics with reference to their mode of action.
10 marks

Answer

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OR
5
Evaluate various chemical and physical methods to control microbial growth.
10 marks

Answer

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6
Compile various types of growth curves analyze the factors which affect microbial growth.
10 marks

Answer

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OR
7
Elaborate upon various types of bacterial culture considerations.
10 marks

Answer

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8
Discuss various techniques used for short term and long-term maintenance of microbial cultures.
10 marks

Answer

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OR
9
Explain various bacterial culture techniques for cultivation of bacteria.
10 marks

Answer

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10
Classify and explain various identification techniques for bacteria.
10 marks

Answer

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OR
11
Write about Bergy’s manual and explain how do you find a sps in the manual.
10 marks

Answer

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About this paper

This page contains the solved question paper with answers of MICROBIOLOGY from Jawaharlal Nehru Technological University Hyderabad for B.Tech BT II II-I, February - 2024, R22.

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