The correct statement with regard to the secondary structure of DNA/RNA is

DNA possesses a double strand helix structure and contains thymine as one of the four bases

RNA possesses a single strand helix structure and contains thymine as one of the four bases

RNA possesses a double strand helix structure and contains uracil as one of the four bases

DNA possesses a single strand helix structure and contains uracil as one of the four bases

Given below are two statements : Statement I : Glycogen is similar to amylose in its structure. Statement II : Glycogen is found in yeast and fungi also. In the light of the above statements, choose the correct answer from the options given below :

Statement I is false but Statement II is true.

Statement I is true but Statement II is false.

Both Statement I and Statement II are true.

Both Statement I and Statement II are false.

The incorrect statement about denaturation of proteins is :

A protein is formed from amino acids linked by peptide bonds

Uncoiling of the helical structure takes place

It results due to change of temperature and/or pH

It results in loss of biological activity of proteins

The correct statement regarding RNA and DNA, respectively, is

The sugar component in RNA is ribose and the sugar component in DNA is 2'-deoxyribose.

The sugar component in RNA is an arabinose and the sugar component in DNA is ribose

The sugar component in RNA is 2'-deoxyribose and the sugar component in DNA is arabinose

The sugar component in RNA is arabinose and the sugar component in DNA is 2'-deoxyribose

Biomolecules — NEET Chemistry Previous Year Questions

20 solved PYQs · 2016–2026 · Chemistry

Solved PYQs: 20
Years covered: 2016–2026
Avg / year: ~2
Subject: Chemistry

How many NEET questions come from Biomolecules?

Biomolecules has contributed 20 questions to National Eligibility cum Entrance Test (UG) papers between 2016 and 2026 — an average of about 2 questions a year. That count is measured from EByAi’s bank of 46,150 NEET questions, not estimated from a syllabus. Every one of the 20 questions carries a written, step-by-step solution, and each is tagged to Biomolecules within Chemistry, so you can drill this chapter across every year at once instead of hunting through paper PDFs. Practising a chapter’s full PYQ history is the fastest way to learn the patterns examiners reuse.

Sample Biomolecules questions from real NEET papers

These are 5 real questions from the bank — exactly as asked, with the answer one tap away. All 20 Biomolecules questions (with full written solutions) are available in practice.

Question 1 · NEET 2026
The correct statement with regard to the secondary structure of DNA/RNA is
1. (A) $RNA possesses a single strand helix structure and contains thymine as one of the four bases$
2. (B) $DNA possesses a double strand helix structure and contains thymine as one of the four bases$
3. (C) $RNA possesses a double strand helix structure and contains uracil as one of the four bases$
4. (D) $DNA possesses a single strand helix structure and contains uracil as one of the four bases$
Show answerAnswer
$Answer: (B) DNA possesses a double strand helix structure and contains thymine as one of the four bases$
Question 2 · NEET 2024
Given below are two statements :

Statement I : Glycogen is similar to amylose in its structure.

Statement II : Glycogen is found in yeast and fungi also.

In the light of the above statements, choose the correct answer from the options given below :
1. (A) $Statement I is true but Statement II is false.$
2. (B) $Statement I is false but Statement II is true.$
3. (C) $Both Statement I and Statement II are true.$
4. (D) $Both Statement I and Statement II are false.$
Show answerAnswer
$Answer: (B) Statement I is false but Statement II is true.$
Question 3 · NEET 2022
The incorrect statement about denaturation of proteins is :
1. (A) $Uncoiling of the helical structure takes place$
2. (B) $It results due to change of temperature and/or pH$
3. (C) $It results in loss of biological activity of proteins$
4. (D) $A protein is formed from amino acids linked by peptide bonds$
Show answerAnswer
$Answer: (D) A protein is formed from amino acids linked by peptide bonds$
Question 4 · NEET 2019
The non-essential amino acid among the following is :
1. (A) $Alanine$
2. (B) $Lysine$
3. (C) $Valine$
4. (D) $Leucine$
Show answerAnswer
$Answer: (A) Alanine$
Question 5 · NEET 2016
The correct statement regarding RNA and DNA, respectively, is
1. (A) $The sugar component in RNA is an arabinose and the sugar component in DNA is ribose$
2. (B) $The sugar component in RNA is 2'-deoxyribose and the sugar component in DNA is arabinose$
3. (C) $The sugar component in RNA is arabinose and the sugar component in DNA is 2'-deoxyribose$
4. (D) $The sugar component in RNA is ribose and the sugar component in DNA is 2'-deoxyribose.$
Show answerAnswer
$Answer: (D) The sugar component in RNA is ribose and the sugar component in DNA is 2'-deoxyribose.$

Biomolecules questions by year

Year	Questions	Share of chapter questions
2026	1
2025	2
2024	3
2023	1
2022	2
2020	2
2019	1
2018	2
2017	1
2016	5

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FAQs

How many NEET questions have been asked from Biomolecules?

EByAi's bank holds 20 real NEET questions from Biomolecules, asked between 2016 and 2026 — about 2 per year on average. Every count is measured from actual papers, not estimated.

Is Biomolecules important for NEET?

20 questions over 10 papers make Biomolecules a steady-weightage chapter in NEET Chemistry. The year-wise table above shows exactly how often it appears.

Can I solve Biomolecules PYQs online for free?

Yes. EByAi lets you solve NEET past-year questions in the browser with written solutions — free daily practice, no card needed.

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