Example 1 · difficulty 1/5
When two monosaccharide units join through an oxygen atom with the loss of water, what is the resulting linkage called?
- A. Peptide linkage
- B. Glycosidic linkage
- C. Phosphodiester linkage
- D. Disulfide linkage
2025 source guide · Chemistry
NEET 2025 Chemistry Biomolecules Questions
Connect the official 2025 paper with current Chemistry practice without labelling original previews as PYQs.
150 original questions · explicit provenance labels
ChemistryPlate 96
NeetVellum atlas · fig. chemistry
96
What to master
carbohydrates, proteins, enzymes, vitamins and nucleic acids.
Original practice preview
These are current-syllabus NeetVellum questions, shown separately from historical-paper provenance.
Example 2 · difficulty 1/5
Which disaccharide occurs in milk and is therefore commonly called milk sugar?
- A. Sucrose
- B. Maltose
- C. Lactose
- D. Glycogen
Example 3 · difficulty 2/5
Which description correctly identifies the glycosidic linkage in sucrose?
- A. C1 of α-D-glucose joined through oxygen to C4 of D-glucose
- B. C1 of β-D-galactose joined through oxygen to C4 of D-glucose
- C. C1 of β-D-glucose joined through oxygen to C6 of D-fructose
- D. C1 of α-D-glucose joined through oxygen to C2 of β-D-fructose
The evidence-first practice loop
- 1. Verify provenanceOfficial paper and final key before accepting a PYQ label.
- 2. Attempt closed-bookExpose the concept or execution gap before rereading.
- 3. Repair and returnClassify the miss and re-practice after a delay.
Canonical chapter practice
Frequently asked questions
Are these official NEET 2025 Chemistry Biomolecules PYQs?
No. The previews are original NeetVellum practice questions. A historical item receives a PYQ label only after its official paper and authoritative final answer key are attached. Use the official archive for the source paper.
How should I use the NEET 2025 paper?
Solve the official paper under its original timing, verify against the final key, classify every miss, and then use the linked current-syllabus practice bank to repair the exposed concept.