22 JEE Main 2025 Biomolecules previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2025 previous-year questions from the Biomolecules chapter of Chemistry. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Biomolecules chapter hub.
Given below are two statements : Statement (I) : On hydrolysis, oligo peptides give rise to fewer number of α-amino aci…
Which of the following acids is a vitamin?
Match List - I with List - II. arrayll|ll & arrayl List - I \ (Carbohydrate) array & arrayl List - II \ (Linkage Source…
The total number of hydrogen bonds of a DNA-double Helix strand whose one strand has the following sequence of bases is…
Which of the following is the correct structure of L-fructose?
Given below are two statements : Statement I : Wet cotton clothes made of cellulose based carbohydrate takes comparativ…
Given below are two statements: Statement I : D-glucose pentaacetate reacts with 2, 4-dinitrophenylhydrazine Statement…
Identify the number of structure/s from the following which can be correlated to D-glyceraldehyde.
A dipeptide, " x " on complete hydrolysis gives " y " and " z ". " y " on treatment with aq. HNO₂ produces lactic acid.…
The α-Helix and β - Pleated sheet structures of protein are associated with its :
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