Biomolecules: JEE Main Chemistry Previous Year Questions

335 previous year questions from Biomolecules. Here are the 25 most important ones; open any question for the correct answer and a full step-by-step solution.

1. $Which of the given statements is INCORRECT about glycogen ?$
2. $The hormone that helps in the conversion of glucose to glycogen is$
3. $Given below are two statements: Statement I: D-glucose pentaacetate reacts with 2, 4-dinitrophenylhydrazine Statement II : Starch, on heating with concentrated sulfuric a\dots$
4. $Out of the following, which type of interaction is responsible for the stabilisation of α -helix structure of proteins?$
5. $Which one of the amino acids can be synthesised in the body?$
6. $Which one of the following compounds contains β - C1 - C4 glycosidic linkage?$
7. $Which of the following hormones modulate inflammatory reactions?$
8. $The correct statement regarding RNA and DNA, respectively is$
9. $The number of possible tripeptides formed involving alanine (ala), glycine (gly) and valine (val), where no amino acid has been used more than once is:$
10. $The function of enzymes in the living system is to$
11. $Which one of the following sets of monosaccharides forms sucrose?.$
12. $From the vitamins A, B B_{1}, B_{6}, B_{12}, C, D, E and K, the number vitamins that can be stored in our body is_____$
13. $Match List-I with List-II (matching question)$
14. $Identify the correct statements.(A) Arginine and Tryptophan are essential amino acids.(B) Histidine does not contain heterocyclic ring in its structure.(C) Proline is a s\dots$
15. $2.5 g of protein containing only glycine (C_{2} H_{5} N O_{2}) is dissolved in water to make 500 mL of solution. The osmotic pressure of this solution at 300 K is found to\dots$
16. $Identify the correct statement related to amino acids$
17. $Which one of the following is a water soluble vitamin, that is not excreted easily?$
18. $The reaction of concentrated sulphuric acid with carbohydrates (C_{12} H_{22} O_{11}) is an example Of [NEET 2020]$
19. $Coagulation of egg, on heating is because of :$
20. $Identify the incorrect statement from the following$
21. $Both human DNA and RNA are chiral molecules. The chirality in DNA and RNA arises due to the presence of$
22. $Which one of the following bases is not present in DNA ?$
23. $The increasing order of pKa of the following amino acids in aqueous solution is : Gly Asp Lys Arg$
24. $Match List-I with List-II (matching question)$
25. $Which one is responsible for production of energy in biochemical reaction?$

Download Biomolecules PYQs as PDF

Free questions PDF, 30 questions per set, with the Mere Teacher watermark and a QR code to the site. Answers and step-by-step solutions open after a free sign-up, with a download option too.

See all 335 Biomolecules questions, free

Sign up free to practise them in your own custom test, with Concept Priority Question Bank, Test Series and BroBot AI help.

New here? See what Mere Teacher offers

Biomolecules: JEE Main Chemistry Previous Year Questions

Download Biomolecules PYQs as PDF

More JEE Main Chemistry chapters