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Previous year question hub

Spectroscopy and Molecular Analysis - Analytical Techniques - Life Sciences Previous Year Questions

Practice Spectroscopy and Molecular Analysis - Analytical Techniques - Life Sciences previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

20Papers
20Years
67Questions
1Topics

Spectroscopy and Molecular Analysis question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Spectroscopy and Molecular Analysis. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 39 58.2%
Medium 27 40.3%
Hard 1 1.5%

Question type distribution

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

MCQ 42 62.7%
Numerical Answer Type (NAT) 20 29.9%
MSQ 5 7.5%

Subject weightage

Top subjects by unique question coverage.

Life Sciences
67 Qs

Most asked topics

Top topics across the included previous year papers.

Analytical Techniques
67 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Spectroscopy and Molecular Analysis
67 Qs

Paper coverage

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

Life Sciences (XL) 2026
3 Qs
Life Sciences (XL) 2025
1 Qs
Life Sciences (XL) 2024
4 Qs
Life Sciences (XL) 2023
2 Qs
Life Sciences (XL) 2022
1 Qs
Life Sciences (XL) 2021
5 Qs
Life Sciences (XL) 2020
5 Qs
Life Sciences (XL) 2019
1 Qs
Life Sciences (XL) 2018
5 Qs
Life Sciences (XL) 2017
2 Qs
Life Sciences (XL) 2016
1 Qs
Life Sciences (XL) 2015
1 Qs
Life Sciences (XL) 2014
8 Qs
Life Sciences (XL) 2013
2 Qs
Life Sciences (XL) 2012
2 Qs
Life Sciences (XL) 2011
6 Qs
Life Sciences (XL) 2010
4 Qs
Life Sciences (XL) 2009
4 Qs
Life Sciences (XL) 2008
5 Qs
Life Sciences (XL) 2007
5 Qs

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
Life Sciences (XL) 202620263View paper
Life Sciences (XL) 202520251View paper
Life Sciences (XL) 202420244View paper
Life Sciences (XL) 202320232View paper
Life Sciences (XL) 202220221View paper
Life Sciences (XL) 202120215View paper
Life Sciences (XL) 202020205View paper
Life Sciences (XL) 201920191View paper
Life Sciences (XL) 201820185View paper
Life Sciences (XL) 201720172View paper
Life Sciences (XL) 201620161View paper
Life Sciences (XL) 201520151View paper
Life Sciences (XL) 201420148View paper
Life Sciences (XL) 201320132View paper
Life Sciences (XL) 201220122View paper
Life Sciences (XL) 201120116View paper
Life Sciences (XL) 201020104View paper
Life Sciences (XL) 200920094View paper
Life Sciences (XL) 200820085View paper
Life Sciences (XL) 200720075View paper

All Spectroscopy and Molecular Analysis previous year questions

Practice every matching question in batches of 20, with every available option.

1
2007 · Life Sciences · Analytical Techniques · Spectroscopy and Molecular Analysis
Life Sciences (XL) 2007

The half-life of 14C is 5730 years. An old sample of wood contains 25% of 14C as would be found in a current living tree. The age of the sample of wood would be

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2
2007 · Life Sciences · Analytical Techniques · Spectroscopy and Molecular Analysis
Life Sciences (XL) 2007

Optical density of 1 means

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3
2007 · Life Sciences · Analytical Techniques · Spectroscopy and Molecular Analysis
Life Sciences (XL) 2007
The total radioactivity in 1 ml solution containing 0.25 mg of glycine is 1 mCi. The specific activity (mCi/millimole) of radiolabeled glycine will be
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4
2007 · Life Sciences · Analytical Techniques · Spectroscopy and Molecular Analysis
Life Sciences (XL) 2007
Ten grams of butter was saponified. The non-saponifiable fraction was extracted into 25 ml of chloroform. The absorbance of this solution in a 1 cm cuvette is 0.53 at 328 nm. If the extinction coefficient (a1%) of vitamin A at this wavelength is 1550, calculate the amount of vitamin A present.
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5
2007 · Life Sciences · Analytical Techniques · Spectroscopy and Molecular Analysis
Life Sciences (XL) 2007
Match each parameter in group 1 with the appropriate measuring device in group 2
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6
2008 · Life Sciences · Analytical Techniques · Spectroscopy and Molecular Analysis
Life Sciences (XL) 2008
The region in which the following spectral lines are observed is
P. Lyman series    Q. Balmer series    R. Paschen series
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7
2008 · Life Sciences · Analytical Techniques · Spectroscopy and Molecular Analysis
Life Sciences (XL) 2008

In the ring test for nitrate ion, the brown color is due to the formation of

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8
2008 · Life Sciences · Analytical Techniques · Spectroscopy and Molecular Analysis
Life Sciences (XL) 2008
The approximate locations of x and y are
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9
2008 · Life Sciences · Analytical Techniques · Spectroscopy and Molecular Analysis
Life Sciences (XL) 2008
If 2.94 x 103 cpm of TCA precipitable counts of the 10 μl sample were taken from 1/10 dilution of the 100 μl Nick Translation reaction containing 1 μg of γ-Interferon DNA, what is the specific activity of the labeled product?
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10
2008 · Life Sciences · Analytical Techniques · Spectroscopy and Molecular Analysis
Life Sciences (XL) 2008
For conversion of wavelength from nm to A° and μm
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11
2009 · Life Sciences · Analytical Techniques · Spectroscopy and Molecular Analysis
Life Sciences (XL) 2009

A beam of light passes through 1 cm of a colored solution. Eighty percent of the incident light is transmitted. If the incident light passes through 2 cm of the same solution, the percentage of transmitted light is

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12
2009 · Life Sciences · Analytical Techniques · Spectroscopy and Molecular Analysis
Life Sciences (XL) 2009
Match the items in Group 1 with an appropriate description in Group 2 :
Group 1Group 2
P. UPGMA1. Protein sequence database
Q. CLUSTAL2. Phylogenetic analysis
R. SWISS-PROT3. 3-D structure visualization
S. RasMol4. Multiple sequence alignment
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13
2009 · Life Sciences · Analytical Techniques · Spectroscopy and Molecular Analysis
Life Sciences (XL) 2009

Choose the correct relation between Angstrom (Å) and nanometer (nm)

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14
2009 · Life Sciences · Analytical Techniques · Spectroscopy and Molecular Analysis
Life Sciences (XL) 2009
Density of cells of a bacterial culture is routinely measured using Spectrophotometer. This is based on the principle of
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15
2010 · Life Sciences · Analytical Techniques · Spectroscopy and Molecular Analysis
Life Sciences (XL) 2010
Choose the most appropriate word from the options given below to complete the following sentence:
His rather casual remarks on politics ________ his lack of seriousness about the subject.
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16
2010 · Life Sciences · Analytical Techniques · Spectroscopy and Molecular Analysis
Life Sciences (XL) 2010

If 137 + 276 = 435 how much is 731 + 672?

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17
2010 · Life Sciences · Analytical Techniques · Spectroscopy and Molecular Analysis
Life Sciences (XL) 2010
Modern warfare has changed from large scale clashes of armies to suppression of civilian populations. Chemical agents that do their work silently appear to be suited to such warfare; and regretfully, there exist people in military establishments who think that chemical agents are useful tools for their cause.
Which of the following statements best sums up the meaning of the above passage:
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18
2010 · Life Sciences · Analytical Techniques · Spectroscopy and Molecular Analysis
Life Sciences (XL) 2010
Free radical scavenging activity of a medicinally important plant extract can be quantified by
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19
2011 · Life Sciences · Analytical Techniques · Spectroscopy and Molecular Analysis
Life Sciences (XL) 2011
Choose the word from the options given below that is most nearly opposite in meaning to the given word:
Frequency
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20
2011 · Life Sciences · Analytical Techniques · Spectroscopy and Molecular Analysis
Life Sciences (XL) 2011
Choose the most appropriate word from the options given below to complete the following sentence:
It was her view that the country’s problems had been __________ by foreign technocrats, so that to invite them to come back would be counter-productive.
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Showing 20 of 67 questions