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Chemistry - Biomolecules

Practise 26 BITSAT previous year questions on Biomolecules, compiled from papers spanning 2009 to 2024. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty BITSAT tests.

Biomolecules has been asked in 16 of the 16 years of BITSAT papers analysed (2009–2024), with 26 questions in all. 50% of them were easy, 38% moderate and 12% tough. Most of its questions came from 2024, with 5 questions that year. In the last three years (2022–2024) it had 8 questions across 6 papers, about 1.3 per paper.

The chapter's 7 topics are not weighted equally: Vitamins (7 questions, 27%), Proteins (5 questions, 19%), and Disaccharides and Polysaccharides (4 questions, 15%) have been asked the most. Vitamins has also led over the last five years, with 4 questions. Nucleic Acids has produced the most tough questions (1).

  1. 1Glycosidic linkage between of -glucose and of -fructose is found in2024 (Memory Based Paper 1)Disaccharides and Polysaccharides
  2. 2The naturally occurring amino acid that contains only one basic functional group in its chemical structure is2024 (Memory Based Paper 1)Properties and Preparation of Amino Acids
  3. 3Which one of the following is a water soluble vitamin, that is not excreted easily?2024 (Memory Based Paper 2)Vitamins
  4. 4Cheilosis and digestive disorders are due to deficiency of2024 (Memory Based Paper 3)Vitamins
  5. 5A tetrapeptide is made of naturally occuring alanine, serine, glycine and valine. If the -terminal amino acid is alanine and N -terminal ami2024 (Memory Based Paper 3)Proteins
  6. 6The helical structure of protein is stabilized by2023 (Memory Based Paper 1)Proteins
  7. 7Thiamine and pyridoxine are also known respectively as :2023 (Memory Based Paper 2)Vitamins
  8. 8Glucose reacts with number of molecules of phenyl hydrazine to yield osazone. The value of is,2022Preparation and Reactions of Glucose
  9. 9Which of the following acts as an antioxidant in edible oils?2021Vitamins
  10. 10An organic compound with the formula forms a yellow crystalline solid with phenylhydrazine and gives a mixture of sorbitol and mannitol when2020Preparation and Reactions of Glucose
  11. 11Compounds I and II may be grouped as2020Carbohydrates
  12. 12The correct statement about the following disaccharide is-2019Disaccharides and Polysaccharides
  13. 13If one strand of DNA has sequence ATCGTATG , the sequence in the complementary strand would be2019Nucleic Acids
  14. 14In non-reducing disaccharide, the reducing group of monosaccharides i.e. aldehydic or ketonic group are bounded. Which of the following disa2018Disaccharides and Polysaccharides
  15. 15The night-blindness is developed due to deficiency of vitamin2017Vitamins
  16. 16The transfer RNA anticodon for the messenger RNA codon G - C - A is2017Nucleic Acids
  17. 17Fructose on reduction gives a mixture of two alcohols which are related as2016Carbohydrates
  18. 18The metal present in vitamin is2015Vitamins
  19. 19A sequence of how many nucleotides in messenger RNA makes a codon for an amino acid?2015Nucleic Acids
  20. 20Starch can be used as an indicator for the detection of traces of2014Disaccharides and Polysaccharides
  21. 21Which statement is incorrect about peptide bond?2013Proteins
  22. 22The helical structure of protein is stabilised by2012Proteins
  23. 23Complete hydrolysis of cellulose gives2012Preparation and Reactions of Glucose
  24. 24The structural feature which distinguishes proline from natural -amino acids?2011Properties and Preparation of Amino Acids
  25. 25The secondary structure of a protein refers to2010Proteins
  26. 26Which of the following statements about vitamin B-12 is incorrect?2009Vitamins

Frequently Asked Questions

1.How many questions are available for Biomolecules?

This chapter includes 26 questions compiled from BITSAT papers spanning 2009 to 2024.

2.Are these questions only from BITSAT, or from other exams too?

These are BITSAT questions specifically for the Biomolecules chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is Biomolecules an important chapter for BITSAT Chemistry?

Biomolecules has appeared in 16 of the 16 years of BITSAT papers covered here, with 26 questions across 19 papers - about one per paper it appears in.

4.What is the difficulty level of Biomolecules questions in BITSAT?

Of the 26 questions analysed for this chapter, 50% are easy, 38% moderate and 12% tough. 2024 had the most, with 5 questions.

5.Which topics in Biomolecules should I focus on?

These topics have carried the most weightage in Biomolecules:

  • Vitamins - 7 questions (27%)
  • Proteins - 5 questions (19%)
  • Disaccharides and Polysaccharides - 4 questions (15%)
  • Nucleic Acids has produced the most tough questions (1).
6.Is Biomolecules's weightage in BITSAT going up or down?

Across all 19 papers analysed, Biomolecules has averaged about 1.4 questions per paper. In the last three years (2022–2024), that average has stayed about the same, at about 1.3 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.