Class 11 · Biology
Biomolecules NEET Questions
100 verified questionsNCERT chapter mappedFree practiceAutomatic error log
Build recall in Biomolecules through active solving. This bank covers the complete chapter with original NEET-style MCQs, worked explanations and chapter-level NCERT provenance—without pretending original questions are previous-year questions.
Practice Biomolecules free →Question preview
Three examples from the live 100-question bank. Answers appear after attempting them in practice mode.
Example 1 · difficulty 1/5
When a sample of living tissue is ground with trichloroacetic acid and centrifuged, some biomolecules remain dissolved in the supernatant forming the acid-soluble pool. Which combination would you expect to find in this pool?
- A. Proteins and nucleic acids
- B. Amino acids, simple sugars and nucleotides
- C. Polysaccharides and lipids
- D. Only inorganic ash elements
Example 2 · difficulty 2/5
An amino acid is dissolved in water at a pH close to its isoelectric point. The species that predominates in the solution is:
- A. A cation carrying a net positive charge
- B. An anion carrying a net negative charge
- C. An uncharged molecule containing free –NH₂ and –COOH groups
- D. A dipolar ion bearing protonated –NH₃⁺ and deprotonated –COO⁻ groups
Example 3 · difficulty 3/5
Malonate, which closely resembles succinate in structure, inhibits the enzyme succinate dehydrogenase. To restore full enzyme activity in the inhibited preparation, the most effective step would be:
- A. Increasing the concentration of succinate relative to malonate
- B. Raising the malonate concentration even further
- C. Boiling the reaction mixture briefly to drive off the inhibitor
- D. Adding excess FAD to the reaction mixture
The chapter mastery loop
- 1. Attempt firstExpose recall gaps before rereading.
- 2. Classify the missConcept, careless, rushed or guessed.
- 3. Re-practiceReturn until the error pattern disappears.
Frequently asked questions
How many Biomolecules NEET questions are available?
NeetVellum publishes 100 verified questions for this chapter. Free accounts use the daily UG quota; UG Pro removes it.
How should I revise Biomolecules for NEET?
Attempt questions before rereading, classify each miss, revisit the exposed NCERT concept, then re-practice until the error pattern disappears.