Biology - Biomolecules (B)
Practise 7 IAT (IISER) previous year questions on Biomolecules (B), compiled from papers spanning 2017 to 2026. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty IAT (IISER) tests.
Biomolecules (B) has been asked in 6 of the 9 years of IAT (IISER) papers analysed (2017–2026), with 7 questions in all. 43% of them were easy, 57% moderate and 0% tough. Most of its questions came from 2023, with 2 questions that year. In the last three years (2023–2026) it had 3 questions across 3 papers, about 1 per paper.
The chapter's 4 topics are not weighted equally: Enzymes (4 questions, 57%), Primary and Secondary Metabolites (1 question, 14%), and Lipids (1 question, 14%) have been asked the most. Enzymes has also led over the last five years, with 2 questions.
- 1For which one of the following enzyme activity plots, will the of the enzyme for substrate 'S' be 20? [S] indicates substrate concentration.2026Enzymes
- 2Match the biomolecules given in Column I with their corresponding chemical nature given in Column II. Which one of the following combination2023Protein
- 3The diagram represents an enzyme, its substrate and potential inhibitors (P, Q, R, S, T). Which one of the following combinations is the bes2023Enzymes
- 4Which of the following products are expected when lipase acts on diglycerides?2020Lipids
- 5Match the entries in column I and column II. Which one of the following choices is correct?2019Enzymes
- 6Which compound given below inhibits cholesterol synthesis in humans?2018Primary and Secondary Metabolites
- 7If an enzyme reaction follows the Michaelis Menten kinetics represented by the equation: where, is the initial reaction velocity, is the max2017Enzymes
Frequently Asked Questions
1.How many questions are available for Biomolecules (B)?
This chapter includes 7 questions compiled from IAT (IISER) papers spanning 2017 to 2026.
2.Are these questions only from IAT (IISER), or from other exams too?
These are IAT (IISER) questions specifically for the Biomolecules (B) chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.
3.Is Biomolecules (B) an important chapter for IAT (IISER) Biology?
Biomolecules (B) has appeared in 6 of the 10 years of IAT (IISER) papers covered here, with 7 questions across 6 papers - about one per paper it appears in.
4.What is the difficulty level of Biomolecules (B) questions in IAT (IISER)?
Of the 7 questions analysed for this chapter, 43% are easy, 57% moderate and 0% tough. 2023 had the most, with 2 questions.
5.Which topics in Biomolecules (B) should I focus on?
These topics have carried the most weightage in Biomolecules (B):
- Enzymes - 4 questions (57%)
- Primary and Secondary Metabolites - 1 question (14%)
- Lipids - 1 question (14%)
6.Is Biomolecules (B)'s weightage in IAT (IISER) going up or down?
Across all 6 papers analysed, Biomolecules (B) has averaged about 1.2 questions per paper. In the last three years (2023–2026), that average has stayed about the same, at about 1.0 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.