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Previous year question hub

Biomolecules - Organic Chemistry - Chemistry Previous Year Questions

Practice Biomolecules - Organic Chemistry - Chemistry previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

6Papers
6Years
9Questions
1Topics

Biomolecules question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Biomolecules. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Not classified 9 100%

Question type distribution

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

Multiple Choices 9 100%

Subject weightage

Top subjects by unique question coverage.

Chemistry
9 Qs

Most asked topics

Top topics across the included previous year papers.

Organic Chemistry
9 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Biomolecules
9 Qs

Paper coverage

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

BITSAT 2025
2 Qs
BITSAT 2024
2 Qs
BITSAT 2023
2 Qs
BITSAT 2022
1 Qs
BITSAT 2021
1 Qs
BITSAT 2020
1 Qs

Included previous year papers

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

PaperYear / sessionQuestions in this viewOpen
BITSAT 202520252View paper
BITSAT 202420242View paper
BITSAT 202320232View paper
BITSAT 202220221View paper
BITSAT 202120211View paper
BITSAT 202020201View paper

All Biomolecules previous year questions

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

1
2020 · Chemistry · Organic Chemistry · Biomolecules
BITSAT 2020

Which of the following statement is incorrect?

A
\(\alpha\)-D-fructose and \(\beta\)-D-fructose are enantiomers of each other.
B
D-glyceraldehyde and L-glyceraldehyde are enantiomers of each other.
C
The reverse carbohydrate of animals is glycogen.
D
Aldohexoses which react with phenyl hydrazine to given identical osazones are C-2 epimers.
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2
2021 · Chemistry · Organic Chemistry · Biomolecules
BITSAT 2021

Maltase converts maltose into

A
glucose
B
sucrose
C
fructose
D
starch
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3
2022 · Chemistry · Organic Chemistry · Biomolecules
BITSAT 2022

Glucose reacts with X number of molecules of phenyl hydrazine to yield osazone. The value of X is,

A
three
B
two
C
one
D
four
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4
2023 · Chemistry · Organic Chemistry · Biomolecules
BITSAT 2023

Glucose and mannose are related as

A
epimers
B
anomers
C
ketohexoses
D
disaccharides
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5
2023 · Chemistry · Organic Chemistry · Biomolecules
BITSAT 2023

A certain compound gives negative test with ninhydrin and positive test with Benedict's solution, it is

A
an amino acid
B
a monosaccharide
C
a lipid
D
a protein
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6
2024 · Chemistry · Organic Chemistry · Biomolecules
BITSAT 2024
Cheilosis and digestive disorders are due to deficiency of
A
Vitamin A
B
Thiamine
C
Riboflavin
D
Ascorbic acid
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7
2024 · Chemistry · Organic Chemistry · Biomolecules
BITSAT 2024
A tetrapeptide is made of naturally occuring alanine, serine, glycine and valine. If the $ C $-terminal amino acid is alanine and N-terminal amino acid is chiral, the number of possible sequence of the tetrapeptide is
A
4
B
8
C
6
D
12
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8
2025 · Chemistry · Organic Chemistry · Biomolecules
BITSAT 2025

A tetrapeptide is formed from four amino acids: alanine, serine, glycine, and valine. The C-terminal is fixed as alanine, and the N-terminal amino acid is chiral. Determine the number of possible sequences.

A

4

B

6

C

8

D

12

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9
2025 · Chemistry · Organic Chemistry · Biomolecules
BITSAT 2025

Angular stomatitis and cracked lips are caused by deficiency of

A

niacin

B

riboflavin

C

vitamin C

D

vitamin A

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