My Cart
Your Cart 0

    Your cart is empty.

  • Total (Amount) ₹0.00
Previous year question hub

Biomolecules and Molecular Information Flow - Biochemistry and Molecular Biology - Life Sciences Previous Year Questions

Practice Biomolecules and Molecular Information Flow - Biochemistry and Molecular Biology - Life Sciences previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

20Papers
20Years
173Questions
1Topics

Biomolecules and Molecular Information Flow 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 100 57.8%
Medium 71 41%
Hard 2 1.2%

Question type distribution

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

MCQ 129 74.6%
Numerical Answer Type (NAT) 30 17.3%
MSQ 14 8.1%

Subject weightage

Top subjects by unique question coverage.

Life Sciences
173 Qs

Most asked topics

Top topics across the included previous year papers.

Biochemistry and Molecular Biology
173 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Biomolecules and Molecular Information Flow
173 Qs

Paper coverage

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

Life Sciences (XL) 2026
13 Qs
Life Sciences (XL) 2025
10 Qs
Life Sciences (XL) 2024
7 Qs
Life Sciences (XL) 2023
7 Qs
Life Sciences (XL) 2022
7 Qs
Life Sciences (XL) 2021
14 Qs
Life Sciences (XL) 2020
9 Qs
Life Sciences (XL) 2019
8 Qs
Life Sciences (XL) 2018
9 Qs
Life Sciences (XL) 2017
13 Qs
Life Sciences (XL) 2016
6 Qs
Life Sciences (XL) 2015
2 Qs
Life Sciences (XL) 2014
7 Qs
Life Sciences (XL) 2013
6 Qs
Life Sciences (XL) 2012
7 Qs
Life Sciences (XL) 2011
10 Qs
Life Sciences (XL) 2010
9 Qs
Life Sciences (XL) 2009
11 Qs
Life Sciences (XL) 2008
10 Qs
Life Sciences (XL) 2007
8 Qs

Included previous year papers

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

Paper nameYearPDFAttempt
Life Sciences (XL) 20262026
13 questions in this view		2026
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Life Sciences (XL) 20252025
10 questions in this view		2025
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Life Sciences (XL) 20242024
7 questions in this view		2024
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Life Sciences (XL) 20232023
7 questions in this view		2023
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Life Sciences (XL) 20222022
7 questions in this view		2022
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Life Sciences (XL) 20212021
14 questions in this view		2021
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Life Sciences (XL) 20202020
9 questions in this view		2020
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20192019
8 questions in this view		2019
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20182018
9 questions in this view		2018
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20172017
13 questions in this view		2017
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20162016
6 questions in this view		2016
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20152015
2 questions in this view		2015
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20142014
7 questions in this view		2014
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20132013
6 questions in this view		2013
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20122012
7 questions in this view		2012
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20112011
10 questions in this view		2011
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20102010
9 questions in this view		2010
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20092009
11 questions in this view		2009
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20082008
10 questions in this view		2008
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20072007
8 questions in this view		2007
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download

All Biomolecules and Molecular Information Flow previous year questions

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

1
2007 · Life Sciences · Biochemistry and Molecular Biology · Biomolecules and Molecular Information Flow
Life Sciences (XL) 2007
Deamination of cytosine produces
Open complete paper
2
2007 · Life Sciences · Biochemistry and Molecular Biology · Biomolecules and Molecular Information Flow
Life Sciences (XL) 2007

How does haemoglobin carry carbon dioxide generated in tissues back to the lungs?

Open complete paper
3
2007 · Life Sciences · Biochemistry and Molecular Biology · Biomolecules and Molecular Information Flow
Life Sciences (XL) 2007
Presence of CX2-CX6X3HX2H sequence in a protein suggest that it is
Open complete paper
4
2007 · Life Sciences · Biochemistry and Molecular Biology · Biomolecules and Molecular Information Flow
Life Sciences (XL) 2007
Match items in group 1 with correct examples from those in group 2
Open complete paper
5
2007 · Life Sciences · Biochemistry and Molecular Biology · Biomolecules and Molecular Information Flow
Life Sciences (XL) 2007
Match the recombinant products in group 1 with their therapeutic applications in group 2
Open complete paper
6
2007 · Life Sciences · Biochemistry and Molecular Biology · Biomolecules and Molecular Information Flow
Life Sciences (XL) 2007
Downstream processing of an industrial process yielded a highly purified bioactive protein. This protein was subjected to cleavage by trypsin. Chromatographic separation of products resulted in 4 peptides (P, Q, R, S) with the following amino acid sequences
(P) phe-val-met-val-arg
(Q) ala-ala-try-gly-lys
(R) val-phe-met-ala-gly-lys
(S) phe-gly-try-ser-thr

Chemical cleavage of the same protein with cyanogen bromide and chromatographic separation resulted in three peptides (i, ii, iii) with the following sequences
(i) ala-gly-lys-phe-gly-try-ser-thr
(ii) ala-ala-pry-gly-lys-phe-val-met
(iii) val-arg-val-phe-met

The order of the peptides that gives the primary structure of the original protein is
Open complete paper
7
2007 · Life Sciences · Biochemistry and Molecular Biology · Biomolecules and Molecular Information Flow
Life Sciences (XL) 2007

The correct equation for the reduction of nicotinamide adenine dinucleotide phosphate is

Open complete paper
8
2007 · Life Sciences · Biochemistry and Molecular Biology · Biomolecules and Molecular Information Flow
Life Sciences (XL) 2007
Reverse transcriptase used in genetic engineering was discovered by
Open complete paper
9
2008 · Life Sciences · Biochemistry and Molecular Biology · Biomolecules and Molecular Information Flow
Life Sciences (XL) 2008
Identify W and X
Open complete paper
10
2008 · Life Sciences · Biochemistry and Molecular Biology · Biomolecules and Molecular Information Flow
Life Sciences (XL) 2008

Identify Y and Z

Open complete paper
11
2008 · Life Sciences · Biochemistry and Molecular Biology · Biomolecules and Molecular Information Flow
Life Sciences (XL) 2008
Match the polysaccharides in Column I with their constituent monosaccharide in Column II.
Open complete paper
12
2008 · Life Sciences · Biochemistry and Molecular Biology · Biomolecules and Molecular Information Flow
Life Sciences (XL) 2008
The T_m of phosphatidyl choline A is higher than T_m of phosphatidyl choline B because
Open complete paper
13
2008 · Life Sciences · Biochemistry and Molecular Biology · Biomolecules and Molecular Information Flow
Life Sciences (XL) 2008
The atoms of pyrimidine ring are derived from
Open complete paper
14
2008 · Life Sciences · Biochemistry and Molecular Biology · Biomolecules and Molecular Information Flow
Life Sciences (XL) 2008
Which of the following statements are true for steroid hormones?
Open complete paper
15
2008 · Life Sciences · Biochemistry and Molecular Biology · Biomolecules and Molecular Information Flow
Life Sciences (XL) 2008

A nucleic acid sample is resistant to digestion with λ exonuclease. When heated it does not show typical melting curve of a linear double stranded DNA. On CsCl-ethidium bromide equilibrium density centrifugation it settles at the bottom of the centrifuge tube. The nucleic acid is

Open complete paper
16
2008 · Life Sciences · Biochemistry and Molecular Biology · Biomolecules and Molecular Information Flow
Life Sciences (XL) 2008
In bioinformatics, the term ‘BLAST’ refers to
Open complete paper
17
2008 · Life Sciences · Biochemistry and Molecular Biology · Biomolecules and Molecular Information Flow
Life Sciences (XL) 2008

A polymerase chain reaction was performed beginning with 400 template DNA molecules in a 100 μl reaction. After 20 cycles of polymerase chain reaction, how many molecules of the amplified product will be present in 0.1 μl of reaction?

Open complete paper
18
2008 · Life Sciences · Biochemistry and Molecular Biology · Biomolecules and Molecular Information Flow
Life Sciences (XL) 2008
Identify the correct combination from the above options
Open complete paper
19
2009 · Life Sciences · Biochemistry and Molecular Biology · Biomolecules and Molecular Information Flow
Life Sciences (XL) 2009

Human DNA (3 × 106 Kb) is replicated in 5 hrs at a rate of 1 Kb/min. The number of origins of replication utilized are

Open complete paper
20
2009 · Life Sciences · Biochemistry and Molecular Biology · Biomolecules and Molecular Information Flow
Life Sciences (XL) 2009

Phospholipases A1 and A2,

Open complete paper

Showing 20 of 173 questions