Biomolecules and Polymers- NEET Previous Year Questions with Solutions and Weightage

The Biomolecules and Polymers has the weightage approximately 6% of the total Chemistry in the NEET Exam.

Students can expect 2-3 questions from this topic: DNA, Proteins, Monomers is a subtopic in Biomolecules and polymers in class 12 Chemistry. This is important as it covers the chemistry behind genetic material (DNA), the functional roles of proteins in living organisms, and the process by which simple monomers join to form larger biomolecules (polymers).

Important links related to topic:

• Biomolecules: Types, Functions & Examples
• Biomolecules: Important Questions
• Biomolecules: Chemical Composition Analysis and Sample Questions

In the NEET exam, the total marks are 720, with 180 each from Physics and Chemistry, with each correct answer worth 4 marks and a penalty of 1 mark for incorrect answers.

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Listed below is the list of Biomolecules and Polymers Chemistry questions with detailed solutions asked in NEET :

Question 1 :

Given below are two statements:

Statement I: A unit formed by the attachment of a base to 1' position of sugar is known as nucleoside.

Statement II: When nucleoside is linked to phosphorus acid at 5 -position of sugar moiety, we get nucleotide.

In the light of the above statements, choose the correct answer from the options given below:

• Both Statement I and Statement II are false

• Statement I 1s true but Statement II is false

• Statement I is false but Statement II is true

• Both Statement I and Statement II are true

View Solution

Question 2:

Which one of the following statements is correct?

• All enzymes that utilise ATP in phosphate transfer require Ca as the cofactor

• The bone in human body is an inert and unchanging substance

• Mg plays roles in neuromuscular function and interneuronal transmission

• The daily requirement of Mg and Ca in the human body is estimated to be 0.2-0.3 g

View Solution

Question 3:

Which amongst the following molecules on polymerization produces neoprene?

View Solution

Question 4 :

Some tranquilizers are listed below. Which one from the following belong barbiturates?

• Meprobamate

• Valium

• Veronal

• Chlordiazepoxide

View Solution

Question 5:

Statement I : The codon 'AUG' codes for methionine and phenylalanine. Statement II : 'AAA' and 'AAG' both codons code for the amino acid lysine. In the light of the above statements, choose the correct answer from the options given below.

• Both Statement I and Statement II are true

• Both Statement I and Statement II are false

• Statement I is correct but Statement II is false

• Statement I is incorrect but Statement II is true

View Solution

Question 6:

Which of the following is a natural polymer?

• Nylon

• Teflon

• Linen

• Orion

View Solution

Question 6:

Which of the following is a basic amino acid ?

• Serine

• Alanine

• Tyrosine

• Lysine

View Solution

Question 7:

The biodegradable polymer is

• nylon-6

• Buna-S

• nylon-6,6

• nylon 2-nylon 6

View Solution

Question 8:

Enzymes that utilize ATP in phosphate transfer require an alkaline earth metal (M) as the cofactor. M is:

• Be

• Mg

• Ca

• Sr

View Solution

Question 9:

The biodegradable polymer is:

• nylon-6, 6

• nylon 2-nylon 6

• nylon-6

• Buna-S

View Solution

Question 10 :

Regarding cross-linked or network polymers, which of the following statements is incorrect ?

• They contain covalent bonds between various linear polymer chains.
• Examples are bakelite and melamine.
• They are formed from bi- and tri-functional monomers.
• They contain strong covalent bonds in their polymer chains.

View Solution

NEET UG 2025 Chemistry Paper Exam Pattern

The NEET 2025 Chemistry section consists of 45 questions, which is 25% of the total paper. NEET Chemistry section is of total 180 marks.

NEET 2025 Chemistry Chapter-Wise Weightage

NEET Last 5 Year Question Papers Pdf For NEET 2025 Preparation (2024 - 2017)

You can download the NEET previous year question paper pdfs with solutions from the table given below:

NEET 2024 Question Paper PDF Code R

NEET 2024 Question Paper PDF Code Q

NEET 2024 Question Paper PDF Code T

NEET 2024 Question Paper PDF Code S

NEET Re-Exam June 23 Question Paper

NEET Subject Wise Question Paper 2024 PDF with Answer Key and Solution

NEET Sample Paper 2024 PDF Download with Answer

Students must not confuse this sample paper with the actual question paper. This is just a mock paper with answers that will help you with your exam preparation.

NEET 2025: Previous Year Question Papers

Given below are the year-wise question paper for NEET examination:

Frequently Asked Questions

Q1. What are biomolecules, and why are they important for the NEET exam?

Biomolecules are organic molecules essential to life, including carbohydrates, proteins, lipids, and nucleic acids, and are crucial for NEET exam preparation as they are considered to come under the hot topics.

They are part of the organic chemistry section, generally carrying a moderate weightage, i.e. 3%. Questions in this section may cover topics like the structure, function, and classification of biomolecules, along with their metabolic pathways. Mastery of these concepts is essential not only for NEET preparation but also for a deeper understanding of the biochemical processes that occur within living organisms.

Q2. Which biomolecule-related questions are frequently asked in NEET?

Structure relationships: the relationship between the structure of a biomolecule and its function ;Classification of biomolecules or identify specific molecules based on their structure or properties ; biochemical reactions, such as enzyme-catalyzed reactions or metabolic pathways, are common.

This chapter discusses the structures and functions of essential biomolecules, such as carbohydrates, proteins, and nucleic acids. Challenges: The complexity of structures and the variety of functions in biological systems make this chapter particularly demanding for many students

Q3. Is NCERT enough to cover biomolecules NEET?

Yes, NCERT is a sufficient foundation for preparing for the "Biomolecules" chapter for NEET.

It provides a clear and detailed explanation of the concepts in Biological Classification. However, additional practice and reference books can be useful for more advanced topics.

Q4. Is polymer chemistry related to biomolecules in NEET?

Yes, polymer chemistry is directly related to biomolecules in NEET, as many biomolecules like proteins, carbohydrates, and nucleic acids are polymers, and understanding their structure and properties is crucial for NEET preparation.

Polymer chemistry and biomolecules are integral components of the NEET syllabus, with a notable contribution of approximately 3-4% to the overall exam weightage. This section covers essential topics such as the structure, classification, and function of polymers like proteins, carbohydrates, and nucleic acids. Excellence in concept polymerization processes and understanding the biological roles of these biomolecules are crucial for solving these type of questions.

Q5. What are the common mistakes students make while solving biomolecule questions?

The common mistakes to be avoided while solving Biomolecules JEE Advanced questions are: misinterpreting the question, avoiding careless errors, failing to eliminate the wrong options and many more.

Students often forget to understand how the structure and function of biomolecules are linked, which is key for answering conceptual questions. Finally, not applying knowledge of polymer chemistry when answering biomolecule-related questions can also result in mistakes.