NEET Zoology Biomolecules PYQ Analysis 2020–2026: Topic-wise Trends & Practice
Biomolecules (NEET Zoology): 38 questions in 2020–2026, 9.8% of the subject. Topic-wise trends, difficulty split, repeated topics and PYQ practice.
Edurack Team
October 13, 2026
Biomolecules gave 38 of the 388 NEET Zoology questions asked between 2020 and 2026 (Re-NEET 2026 included). That is 9.8% of the subject and the #3 chapter out of 16 by weightage, about 4.8 questions per paper. It peaked at 6 in NEET 2020.
Of the 38 questions tagged for difficulty, 37% were easy, 45% medium and 18% hard, so this is a fairly balanced mix of easy and moderate questions.
It has been asked less often lately: 3.7 questions per paper across 2025, 2026 and Re-NEET 2026, against 5.7 per paper in 2020–2022.
Year-wise questions from Biomolecules
| Paper | Questions |
|---|---|
| NEET 2020 | 6 |
| NEET 2021 | 6 |
| NEET 2022 | 5 |
| NEET 2023 | 4 |
| NEET 2024 | 6 |
| NEET 2025 | 4 |
| NEET 2026 | 5 |
| Re-NEET 2026 | 2 |
Difficulty split
| Level | Questions | Share |
|---|---|---|
| Easy | 14 | 37% |
| Medium | 17 | 45% |
| Hard | 7 | 18% |
Topic-wise analysis
Every topic tagged under Biomolecules, most-asked first. "Papers" is the number of the 8 papers in which the topic appeared.
| Topic | Total Qs | Easy | Medium | Hard | Papers | Asked in |
|---|---|---|---|---|---|---|
| Primary and Secondary Metabolites (Examples and Function) | 5 | 2 | 1 | 2 | 4 | 2020, 2021, 2026 and Re-NEET 2026 |
| Enzymes (Classification and Nomenclature of Enzymes) | 4 | 2 | 2 | 0 | 4 | 2020, 2024, 2025 and 2026 |
| Proteins (Structure of Proteins) | 3 | 1 | 1 | 1 | 3 | 2021, 2023 and 2026 |
| Enzymes (Mechanism of Enzyme Action) | 2 | 0 | 1 | 1 | 2 | 2023 and 2024 |
| Lipids (Phospholipid, Triglycerides, etc.) | 2 | 1 | 1 | 0 | 2 | 2022 and 2024 |
| Nature of Bond Linking Monomers in Polymer (Glycosidic, Phosphodiester, etc.) | 2 | 1 | 1 | 0 | 2 | 2020 and 2021 |
| Nucleic Acids (DNA) | 2 | 1 | 1 | 0 | 2 | 2020 and 2022 |
| Proteins (Function of Protein) | 2 | 1 | 1 | 0 | 2 | 2020 and 2024 |
| Enzymes (Cofactor) | 2 | 2 | 0 | 0 | 1 | 2025 |
| Amino Acids (Different Types of Amino Acid) | 1 | 1 | 0 | 0 | 1 | 2020 |
| Analysis of Chemical Composition (DNA) | 1 | 0 | 1 | 0 | 1 | 2025 |
| Analysis of Chemical Composition (Elemental Analysis) | 1 | 0 | 0 | 1 | 1 | Re-NEET 2026 |
| Carbohydrates (Composition of Cell Wall) | 1 | 0 | 1 | 0 | 1 | 2022 |
| Carbohydrates (Disaccharides) | 1 | 0 | 1 | 0 | 1 | 2022 |
| Carbohydrates (Polysaccharide) | 1 | 0 | 1 | 0 | 1 | 2022 |
| Carbohydrates (Polysaccharides) | 1 | 0 | 1 | 0 | 1 | 2023 |
| Enzymes (Co-factors) | 1 | 1 | 0 | 0 | 1 | 2024 |
| Enzymes (Competitive, Non Competitive, etc.) | 1 | 1 | 0 | 0 | 1 | 2024 |
| Enzymes (Inhibitiond of Enzyme Action) | 1 | 0 | 0 | 1 | 1 | 2023 |
| Enzymes (Introduction) | 1 | 0 | 1 | 0 | 1 | 2026 |
| Lipids (Glycerol and Fatty Acid) | 1 | 0 | 0 | 1 | 1 | 2021 |
| Nature of Bond Linking Monomers in Polymer (Peptide Bond) | 1 | 0 | 1 | 0 | 1 | 2021 |
| Proteins (Amino Acids) | 1 | 0 | 1 | 0 | 1 | 2026 |
Which topics matter most
Most-tested topics
- Primary and Secondary Metabolites (Examples and Function): 5 Qs
- Enzymes (Classification and Nomenclature of Enzymes): 4 Qs
- Proteins (Structure of Proteins): 3 Qs
- Enzymes (Mechanism of Enzyme Action): 2 Qs
- Lipids (Phospholipid, Triglycerides, etc.): 2 Qs
Topics that keep coming back
These appeared in three or more different papers:
- Primary and Secondary Metabolites (Examples and Function): 4 papers (2020, 2021, 2026 and Re-NEET 2026)
- Enzymes (Classification and Nomenclature of Enzymes): 4 papers (2020, 2024, 2025 and 2026)
- Proteins (Structure of Proteins): 3 papers (2021, 2023 and 2026)
What the latest papers asked
Topics from NEET 2026 and Re-NEET 2026:
- Primary and Secondary Metabolites (Examples and Function)
- Enzymes (Classification and Nomenclature of Enzymes)
- Proteins (Structure of Proteins)
- Analysis of Chemical Composition (Elemental Analysis)
- Enzymes (Introduction)
- Proteins (Amino Acids)
Where the hard questions came from
- Primary and Secondary Metabolites (Examples and Function): 2 hard of 5
- Proteins (Structure of Proteins): 1 hard of 3
- Enzymes (Mechanism of Enzyme Action): 1 hard of 2
- Analysis of Chemical Composition (Elemental Analysis): 1 hard of 1
- Enzymes (Inhibitiond of Enzyme Action): 1 hard of 1
- Lipids (Glycerol and Fatty Acid): 1 hard of 1
How to use this data
- Start with the 3 recurring topics above. They account for 12 of the chapter's 38 questions (32%).
- Re-solve the 6 topics from NEET 2026 and Re-NEET 2026, since they show the current style of questions.
- Then attempt the chapter's past questions under a timer and note which topics cost you marks.
Practise Biomolecules PYQs
Solve every Biomolecules question from 2020–2026 with solutions on Edurack:
- Practise Biomolecules PYQs
- See the full Biomolecules blueprint page
- NEET Zoology PYQ analysis: all chapters
Related chapters
- Animal Kingdom: #2 in Zoology, 38 questions
- Human Reproduction: #4 in Zoology, 32 questions
Frequently Asked Questions
How many questions came from Biomolecules in NEET 2020–2026?
Biomolecules contributed 38 NEET Zoology questions across the 8 papers from 2020–2026, which is 9.8% of the subject.
Which topics of Biomolecules are asked most often?
The most-tested topics are Primary and Secondary Metabolites (Examples and Function): 5 Qs, Enzymes (Classification and Nomenclature of Enzymes): 4 Qs and Proteins (Structure of Proteins): 3 Qs.
Is Biomolecules easy or difficult in NEET?
Of 38 difficulty-tagged questions, 37% were easy, 45% medium and 18% hard.
Was Biomolecules asked in NEET 2026?
Yes. It had 5 questions in NEET 2026 and 2 questions in Re-NEET 2026.