Class 12 · Chemistry
Biomolecules
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150 verified questions · NCERT chapter mapped · automatic error log
ChemistryPlate 83
NeetVellum atlas · fig. chemistry
83
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Three examples from the live 150-question bank. Answers appear after attempting them in practice mode.
Example 1 · difficulty 1/5
Which of the following vitamins is water-soluble?
- A. Vitamin A (retinol)
- B. Vitamin D (calciferol)
- C. Vitamin E (tocopherol)
- D. Vitamin C (ascorbic acid)
Example 2 · difficulty 2/5
An aqueous solution of glycine is placed in an electric field between two electrodes, with the pH adjusted exactly to its isoelectric point. What is observed?
- A. Glycine migrates towards the cathode as a cation
- B. Glycine does not migrate towards either electrode, existing largely as the dipolar ion ⁺H₃N–CH₂–COO⁻
- C. Glycine migrates towards the anode as an anion
- D. Glycine molecules condense to form the dipeptide glycylglycine
Example 3 · difficulty 2/5
Which one of the following carbohydrates will NOT give a silver mirror with Tollens' reagent?
- A. Maltose
- B. Lactose
- C. Sucrose
- D. Fructose
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 150 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.