Example 1 · difficulty 1/5
Which carbon atom becomes the anomeric carbon when open-chain fructose forms a cyclic structure?
- A. C6
- B. C1
- C. C5
- D. C2
2022 source guide · Chemistry
NEET 2022 Chemistry Biomolecules Questions
Connect the official 2022 paper with current Chemistry practice without labelling original previews as PYQs.
150 original questions · explicit provenance labels
ChemistryPlate 50
NeetVellum atlas · fig. chemistry
50
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
A glucopyranose ring is described as six-membered. Which atoms make up this ring?
- A. Five carbon atoms and one oxygen atom
- B. Four carbon atoms and two oxygen atoms
- C. Six carbon atoms
- D. Five carbon atoms and one nitrogen atom
Example 3 · difficulty 2/5
Solutions initially prepared from either pure α-D-glucose or pure β-D-glucose eventually show a constant specific rotation of +52.7°. What is the best conclusion?
- A. Only α-D-glucose remains in solution
- B. Only β-D-glucose remains in solution
- C. A fixed equilibrium mixture of the α and β anomers is established
- D. Equal quantities of D-glucose and L-glucose are formed
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 2022 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 2022 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.