CUET Chemistry Biomolecules PYQs with Answers

Overview: Preparing for the CUET Chemistry Biomolecules chapter can be easy if you study from past year papers. Practicing these CUET Chemistry Biomolecules PYQs with answers helps you understand the type of questions asked, the key concepts of biomolecules, and the important topics that you must revise.

Preparing for the CUET UG 2026 exam is a major step in your academic journey, and the chapter on Chemistry "Biomolecules" plays an important role in that process. With over 13.5 lakh students registering for the CUET in 2025, the competition is fierce.

In this blog, you'll get complete access to CUET Chemistry Biomolecules PYQs, solved with detailed answers, which is perfect for sharpening your CUET preparation. Dive into the previous year's questions with answers to understand patterns, master concepts, and boost your confidence ahead of the exam.

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What is Chemistry Biomolecules and How Is It Important?

Chemistry Biomolecules are special molecules that make up all living things. They include carbohydrates, proteins, fats, and vitamins — the building blocks of life. In the CUET Chemistry Biomolecules PYQ, many questions come from this topic because it helps students understand how the body works at a chemical level.

Why Are Biomolecules Important?

• Biomolecules give us energy and help our bodies grow.
• They help in digestion, muscle building, and keeping us healthy.
• Learning about them makes CUET preparation easier and stronger.
• Many CUET Chemistry Biomolecules previous year questions are based on real-life examples of these molecules.

What are the types of biomolecules?

Type	Example	Function
Carbohydrates	Sugar, starch	Give energy
Proteins	Eggs, beans	Build muscles
Fats	Oil, butter	Store energy

Download CUET Chemistry Biomolecules PYQs PDF with Solutions

The CUET Chemistry Biomolecules PYQ PDF is a full study pack made to help you in your CUET exam preparation. It includes CUET Chemistry Biomolecules previous year questions with answers, clear notes, and diagrams. Each question has the correct option given at the end, so students can easily check and learn from mistakes.

What You’ll Get in the PDF

• Important CUET chemistry notes on carbohydrates, proteins, enzymes, and vitamins (see pages 1–8).
• 50 solved MCQs from past CUET Chemistry Biomolecules PYQs (pages 9–20).
• Answer key with explanations for self-assessment (page 20).
• Charts & diagrams showing structures like glucose, sucrose, and amino acids.

This Chemistry Biomolecules CUET PYQs with answers PDF will help you to practice real exam-level questions, revise key concepts, and boost confidence for the upcoming CUET exam. Download it now and make your CUET preparation easy and complete!

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CUET Chemistry Biomolecules Questions With Solutions 2026

Question 1 - Oxime is formed by treating glucose with

a. nitric acid

b. bromine water

c. hydroxylamine

d. water

Solution: c. hydroxylamine

Explanation: Oxime is a combination of a carbonyl group and a hydroxy group.

Question 2 - In aqueous solution, amino acids behave like:

a. salts

b. carbocyclic acids

c. Amines

d. None of these

Solution: a. Salts

Explanation: As both acidic and basic group is present and zwitterion is formed.

Question 3 - Enzymes are used in the reaction as they are:

a. Hormones

b. vitamins

c. biocatalysts

d. proteins

Solution c: biocatalysts

Explanation: Enzymes are biocatalysts.

Question 4 - DNA fingerprinting means that the:

a. A unique sequence of bases in the DNA found on a person's fingertip.

b. sequence of bases on DNA unique for a person.

c. sequencing the bases present in double helix.

d. None of these

Solution: b. sequence of bases on DNA unique for a person

Explanation: DNA fingerprinting means the sequence of bases on DNA is unique for a person.

Question 5 - The "Repeating Unit "of glycogen is

a. Fructose

b. Mannose

c. Glucose

d. Galactose

Solution: c. Glucose

Question 6: Phospholipid is

a. Have the same formulas as waxes.

b. Act as material for proteins.

c. Ester of glycerol with phosphoric acid.

d. An important source of energy.

Solution: c. Ester of glycerol with phosphoric acid

Explanation: Phospholipid is an ester of glycerol with phosphoric acid.

Question 7 - Bees-wax is

a. Myricylpaimitate

b. Glyceryl stearate

c. Myricyl acetate

d. Myricyloleate

Solution: a. Myricylpaimitate

Explanation: Beeswax is myricylpaimitate.

Question 8 - An Example of a typical homopolysaccharide is

a. Lignin

b. Suberin

c. Inulin

d. Starch

Solution: d. Starch

Explanation: Polysaccharides are branched or unbranched polymers of monosaccharides. Homopolysaccharides contain a single type of monomer, e.g., starch, glycogen, cellulose, etc.

Question 9 - What is the most suitable structure for the nucleotide sequence in the DNA chain is:

a. primary structure

b. secondary structure

c. quaternary structure

d. tertiary structure

Solution: a. primary structure

Explanation: The appropriate structure for the nucleotide sequence in the DNA chain is primary structure.

Question 10 - Acetylation of glucose yields

a. p-toluenesulphonyl chloride

b. N Methylbenzamide

c. glucose pentaacetate

d. None of these

Solution: c. glucose pentaacetate

Explanation: The Acetyl group is added to glucose, giving an acetylation reaction.

Question 11 - Which of the following is most soluble in water?

a. Amino acid

b. Cellulose

c. Lipid

d. Vitamin D

Solution: a. Amino acid

Explanation: As they have polar interactions in water, they are soluble.

Question 12 - Which one is not an essential amino acid in the ones given below?

a. Valine

b. Histidine

c. Alanine

d. Arginine

Solution: c. Alanine

Explanation: Leucine is an essential, branched-chain amino acid (BCAA), required for the growth & repair of muscle, skin & bone. Leucine is suspected to be the only amino acid that can stimulate muscle growth & help prevent the deterioration of muscle with age.

Question 13 - An example of an antibody is

a. Haemoglobin

b. Nucleoprotein

c. Gamma globulin

d. Egg albumin

Solution: c. Gamma globulin

Explanation: Antibody gamma globulin

Question 14 - The major component of starch is:

a. Amylopectin

b. Amylose

c. Water

d. Glucose

Solution: a. Amylopectin

Explanation: Amylopectin is a major component of starch.

Question 15 - The vitamin that cannot be stored (except vitamin B12) in our body is:

a. vitamin E

b. vitamin K

c. vitamin D

d. vitamin C

Solution: d. vitamin C

Explanation: Vitamin C is water-soluble, so it cannot be stored in our bodies.

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Benefits of Solving Chemistry Biomolecules PYQ 2026

Practicing from CUET Chemistry Biomolecules PYQs is one of the best ways to prepare for the CUET exam. These questions will help you to understand the real CUET exam pattern, improve accuracy, and revise key concepts easily. Here’s why solving CUET Chemistry Biomolecules previous year questions with answers is so helpful:

Practicing CUET Chemistry Biomolecules PYQs is one of the best ways to prepare for the CUET exam. These papers help students understand the CUET Chemistry exam pattern and the kind of questions that appear each year.

1. Know the Exam Pattern – PYQs show how questions are framed and what topics carry the most marks.
2. Revise CUET Chemistry Important Topics – You will be able to revise important CUET Chemistry topics as well, which appear often in exams.
3. Practice Important Questions – Try solving the CUET Chemistry important questions to focus on the most expected and repeated problems.
4. Connect with Chemistry Books – You can read theory from CUET Chemistry books and then solve related PYQs for better understanding.
5. Check Detailed Answers – The CUET Chemistry Biomolecules PYQs with answers in the PDF make self-study and revision easy.
6. Build Confidence – Solving CUET Chemistry Biomolecules previous year questions helps improve accuracy, speed, and exam confidence.

By using the CUET Chemistry Biomolecules PYQs PDF, you can study smartly, understand key topics, and perform better in your CUET preparation.

What is the Exam Pattern of CUET Chemistry 2026?

Chemistry is an important part of the CUET exam, especially for students who wish to study science in the top universities in India. To score well, you must understand the CUET Chemistry exam pattern. This helps you plan your answers, manage time, and know how marks are given.

Particulars	Details
Conducted By	National Testing Agency (NTA)
Exam Medium	English, Hindi & 11 other languages
Number of Questions	50 MCQs
Total Marks	250
Duration	1 hour (60 minutes)
Marking Scheme	+5 for correct, -1 for wrong, 0 for unattempted

Preparation Tips for CUET Chemistry Biomolecules 2026

To score well in the CUET exam, you must prepare in a smart and simple way. Start by understanding the CUET Chemistry exam pattern and syllabus. Make a clear CUET study plan that covers all chapters, especially Biomolecules.

Here are some easy tips:

• Read the CUET Chemistry Biomolecules PYQs to understand what types of questions are asked.
• Use short revision notes to remember formulas and definitions.
• Practice CUET Chemistry Biomolecules previous year's questions regularly to improve accuracy.
• Take CUET mock tests to manage time and boost confidence.
• Revise important topics daily and stay focused during preparation.

These small but effective steps will make your CUET preparation stronger and help you score higher in the chemistry section.

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Key Takeaways

Preparing for the CUET exam becomes easy when you study smartly and practice well. Understanding concepts from CUET Chemistry Biomolecules PYQs helps you know the question types and important topics for better results.

• Practice CUET Chemistry Biomolecules previous year questions to understand real exam patterns.
• Revise the Biomolecules concepts daily to build a strong basis in Chemistry.
• Join SuperGrads CUET coaching to get expert guidance, regular mock tests, and study plans.
• Use the CUET Chemistry Biomolecules PYQs with answers to check your progress and improve before the final exam.