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Previous year question hub

Methods in Microbiology - Life Sciences Previous Year Questions

Practice Methods in Microbiology - Life Sciences previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

14Papers
14Years
26Questions
1Topics

Methods in Microbiology question pattern

Every graph below is calculated only from this selection.

Questions by year

Compare question counts across years.

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 22 84.6%
Medium 4 15.4%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

MCQ 21 80.8%
Numerical Answer Type (NAT) 4 15.4%
MSQ 1 3.8%

Subject weightage

Top subjects by unique question coverage.

Life Sciences
26 Qs

Most asked topics

Top topics across the included previous year papers.

Methods in Microbiology
26 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Culture, Nutrition and Sterilization Methods
20 Qs
Microscopy and Molecular Diagnosis
6 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

Life Sciences (XL) 2026
1 Qs
Life Sciences (XL) 2024
1 Qs
Life Sciences (XL) 2020
3 Qs
Life Sciences (XL) 2019
1 Qs
Life Sciences (XL) 2017
4 Qs
Life Sciences (XL) 2016
1 Qs
Life Sciences (XL) 2015
1 Qs
Life Sciences (XL) 2014
2 Qs
Life Sciences (XL) 2013
2 Qs
Life Sciences (XL) 2012
1 Qs
Life Sciences (XL) 2011
1 Qs
Life Sciences (XL) 2010
3 Qs
Life Sciences (XL) 2009
1 Qs
Life Sciences (XL) 2007
4 Qs

Browse by subtopics

Open a focused page built from the same verified paper data.

Culture, Nutrition and Sterilization Methods

Explore previous-paper coverage, trends and focused practice for Culture, Nutrition and Sterilization Methods.

20 questions10 papers10 years

Microscopy and Molecular Diagnosis

Explore previous-paper coverage, trends and focused practice for Microscopy and Molecular Diagnosis.

6 questions6 papers6 years

Included previous year papers

Newest papers appear first. Search these papers or sort by year and name.

Paper nameYearPDFAttempt
Life Sciences (XL) 20262026
1 questions in this view		2026
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Life Sciences (XL) 20242024
1 questions in this view		2024
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Life Sciences (XL) 20202020
3 questions in this view		2020
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20192019
1 questions in this view		2019
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20172017
4 questions in this view		2017
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20162016
1 questions in this view		2016
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20152015
1 questions in this view		2015
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Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20142014
2 questions in this view		2014
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Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20132013
2 questions in this view		2013
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Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20122012
1 questions in this view		2012
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20112011
1 questions in this view		2011
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20102010
3 questions in this view		2010
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20092009
1 questions in this view		2009
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Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20072007
4 questions in this view		2007
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Official question paperOriginal authority-issued PDF Official Download

Sample previous year questions

A varied preview from the papers represented in this selection, with every available option.

1
2007 · Life Sciences · Methods in Microbiology · Culture, Nutrition and Sterilization Methods
Life Sciences (XL) 2007

Infection of E.coli by bacteriophage λ is normally detected by

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2
2009 · Life Sciences · Methods in Microbiology · Culture, Nutrition and Sterilization Methods
Life Sciences (XL) 2009

Baculovirus expression system is used to express heterologous genes in

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3
2010 · Life Sciences · Methods in Microbiology · Culture, Nutrition and Sterilization Methods
Life Sciences (XL) 2010

Wild type E.coli forms purple colored colonies on EMB-lactose plate. This is due to

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4
2011 · Life Sciences · Methods in Microbiology · Microscopy and Molecular Diagnosis
Life Sciences (XL) 2011
The steps followed in Gram’s staining of microorganisms are
P. Washing with neutral organic solvent
Q. Counter staining with a contrast dye
R. Staining with basic dye
S. Fixing the colour with a suitable mordant
Identify the CORRECT sequence.
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5
2012 · Life Sciences · Methods in Microbiology · Culture, Nutrition and Sterilization Methods
Life Sciences (XL) 2012
An auxotrophic mutant arises spontaneously in a wild type E.coli culture growing in a rich medium. Which ONE of the following techniques will ensure the isolation of the auxotrophic mutant?
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6
2013 · Life Sciences · Methods in Microbiology · Culture, Nutrition and Sterilization Methods
Life Sciences (XL) 2013
In a population containing fast and slow growing bacteria, the slow growing bacteria can be enriched by supplementing the medium with
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